CN211651425U - Detection device for rear end cover assembly of automobile silencer - Google Patents
Detection device for rear end cover assembly of automobile silencer Download PDFInfo
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- CN211651425U CN211651425U CN202020112048.2U CN202020112048U CN211651425U CN 211651425 U CN211651425 U CN 211651425U CN 202020112048 U CN202020112048 U CN 202020112048U CN 211651425 U CN211651425 U CN 211651425U
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- end cover
- pressing
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- 238000001514 detection method Methods 0.000 title claims abstract description 154
- 230000003584 silencer Effects 0.000 title claims abstract description 9
- 238000003825 pressing Methods 0.000 claims abstract description 41
- 238000009434 installation Methods 0.000 claims abstract description 38
- 210000001503 joint Anatomy 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000011179 visual inspection Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a detection device for a rear end cover assembly of an automobile silencer, which comprises a base, wherein the base comprises a horizontal bottom plate at the upper end, a detection pit is arranged on the bottom plate, the outline of the detection pit is matched with the outline of the rear end cover assembly, so that the rear end cover assembly can be installed in the detection pit in a butt joint manner; the bottom plate is also provided with a pressing fast clamp, the pressing fast clamp is provided with a pressing end which can be supported on the rear end cover assembly in an abutting mode, and the pressing end can provide downward pressure to tightly press the rear end cover assembly in the detection pit; the bottom surfaces of the detection pits are respectively provided with a vertical detection shaft corresponding to the mounting flanges on the rear end cover assembly, and the upper end surfaces of the detection shafts and the upper end surfaces of the mounting flanges are arranged in a coplanar manner; a horizontal detection groove is arranged on the upper end face of the detection shaft, and the depth dimension of the detection groove is equal to the difference between the maximum vertical dimension of the installation flanging and the minimum vertical dimension of the installation flanging; the utility model has the advantages of more convenient detection, assurance detection quality and detection quality's that can be better stable.
Description
Technical Field
The utility model belongs to the technical field of the car silencer, concretely relates to car silencer rear end cap assembly detection device.
Background
The rear end cover assembly of the automobile muffler is one of important sealing elements and is generally manufactured in a stamping mode. Fig. 6 shows a rear end cap assembly structure, which is typically stamped from sheet metal. When the rear end cover assembly is assembled and installed, whether the overall combined outer contour size of the rear end cover is qualified determines whether the rear end cover assembly can completely cover and protect the rear end of the silencer, namely the outer contour size of the rear end cover assembly is an important size for determining the working performance. Secondly, the outer contour of the rear end cover assembly is provided with a butt flange, two mounting holes are longitudinally arranged on the rear end cover assembly at intervals, and mounting flanges are arranged on the inner sides of the mounting holes; the vertical size of the butt-joint flanging, the diameter of the mounting flanging and the vertical size of the mounting flanging are important mounting sizes. In the traditional manufacturing process, the manufacturing precision of the rear end cover assembly is mainly controlled by the precision of a stamping die. Or by visual inspection depending on the experience of the worker. Therefore, the quality of the manufactured product cannot be well guaranteed, and the defects of low efficiency and unstable detection quality exist when the detection is carried out by manual visual inspection.
Therefore, how to provide a stable automobile muffler rear end cover assembly detection device which has a simple structure, is more convenient to detect and can better guarantee the detection quality and the detection quality becomes a technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a simple structure, convenient detection more, assurance detection quality that can be better and the stable automobile muffler rear end cover assembly detection device of detection quality.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a detection device for a rear end cover assembly of an automobile silencer comprises a base, wherein the base comprises a horizontal bottom plate at the upper end, a detection pit is arranged on the bottom plate, the outline of the detection pit is matched with the outline of the rear end cover assembly, and the rear end cover assembly can be installed in the detection pit in a butt joint mode; the bottom plate is also provided with a pressing fast clamp, the pressing fast clamp is provided with a pressing end which can be supported on the rear end cover assembly in an abutting mode, and the pressing end can provide downward pressure to enable the rear end cover assembly to be arranged in the detection pit in a pressing mode; the bottom surfaces of the detection pits are respectively provided with a vertical detection shaft corresponding to the mounting flanges on the rear end cover assembly, and the upper end surfaces of the detection shafts and the upper end surfaces of the mounting flanges are arranged in a coplanar manner; a horizontal detection groove is arranged on the upper end face of the detection shaft, and the depth dimension of the detection groove is equal to the difference between the maximum vertical dimension of the installation flanging and the minimum vertical dimension of the installation flanging; and a go-no go gauge placing position and a go-no go gauge are also arranged on the bottom plate, and the go-no go gauge is used for detecting a gap between the installation flanging and the detection shaft.
Therefore, when the detection device for the rear end cover assembly of the automobile muffler is used, the rear end cover assembly to be detected is installed in a detection pit arranged above a bottom plate in a butt joint mode; and the detection shafts respectively penetrate through the two mounting flanges; and then the rear end cover assembly is compressed by adopting a compressing quick clamp. And then detecting the rear end cover assembly, wherein the rear end cover assembly is butted and turned over to not exceed the upper end of the detection pit, and the vertical size of the butted and turned-over edge is qualified. And a go-no go gauge is adopted to detect the gap between the installation flanging and the detection shaft, the go gauge can pass through, and the no go gauge is qualified if not passing through. Then, the height of the installation flanging is detected, and the upper end face of the installation flanging is qualified when being positioned between the bottom face and the upper end face of the detection groove. The detection pit can detect the outer contour of the rear end cover assembly. The device has the advantages that the outer contour of the rear end cover assembly, the vertical size of the butt joint flanging, the vertical size of the installation flanging and the diameter of the installation flanging can be better detected after the rear end cover assembly is clamped for one time, the efficiency is higher compared with manual visual inspection, the detection quality can be better ensured, and the stability of the detection quality can be better ensured.
Preferably, the pressing quick clamps are respectively arranged at the longitudinal ends and the transverse two sides of the bottom plate.
Like this, adopt four to compress tightly fast clamp and press from both sides tight rear end cap assembly, when pressing from both sides tight rear end cap assembly, the clamp force of appllying is more balanced, the risk that produces warpage among the clamping process of avoiding that can be better to make and press from both sides tight quality better, press from both sides tightly more reliable.
Preferably, the detection slot comprises a transverse slot and a longitudinal slot so as to integrally form a cross-shaped structure; and the intersecting position of the transverse groove and the longitudinal groove is superposed with the center of the upper end face of the detection shaft.
In this way, the detection groove is set to be a transverse groove and a longitudinal groove, and the intersecting position of the transverse groove and the longitudinal groove is coincided with the center of the upper end face of the detection shaft; whether the installation turn-ups lie in between detection groove up end and the bottom surface all around can be conveniently observed more, whether conveniently judge the installation turn-ups qualified more.
As optimization, the bottom plate is also provided with a detection block placing position and a detection block is placed on the bottom plate; the detection block is of a circular plate structure, and the diameter of the detection block is larger than or equal to that of the installation flanging; the middle position of the surface of one end of the detection block protrudes outwards to form a detection strip, and the length direction of the detection strip penetrates through the diameter of the detection block; the thickness dimension of test strip equals the setting with the vertical size that detects the groove, and the test strip can peg graft the setting and be in detect the inslot.
In this way, when the vertical size of the installation flanging is detected, the detection strip on the detection block is butted in the detection groove, and if the detection strip can be inserted in the detection groove and the lower surface of the detection strip can be butted with the installation flanging, the installation flanging is qualified; if the detection strip is inserted into the detection groove, the lower surface of the detection strip is directly abutted against the upper end face of the installation flanging, and the detection strip is unqualified. If the detection strip can be inserted in the detection groove, and the lower surface of the detection strip and the upper end surface of the installation flanging are arranged at intervals, the detection strip is unqualified.
As optimization, the left side and the right side of the bottom plate are fixedly provided with the positioning blocks in pairs, the two opposite side faces of the positioning blocks are respectively provided with the mounting grooves, the width of each mounting groove is larger than or equal to the thickness of each detection block, the opening directions of the two mounting grooves are oppositely arranged to form the placement positions of the detection blocks, and the left side and the right side of each detection block can be respectively inserted into the mounting grooves.
Like this, conveniently place and detect the piece more, and simple structure, reasonable in design.
As optimization, the pressing device further comprises a copying pressing block arranged between the pressing end and the rear end cover assembly, the lower end face of the copying pressing block is attached to and supported on the inner side face of the rear end cover assembly, and the upper end face of the copying pressing block is attached to and supported on the pressing end.
Like this, profile briquetting can be preliminary detect in the rear end cover assembly, secondly can also make better apply the packing force to the rear end cover assembly.
Preferably, a profiling plate is arranged on the bottom plate, and the middle part of the profiling plate forms the detection pit.
Therefore, the processing and the manufacturing can be more convenient, and the manufacturing cost can be reduced.
Preferably, the base further comprises supporting columns which are connected and fixed at four corner positions on the lower surface of the bottom plate.
Therefore, the whole device can be more conveniently installed and used.
Drawings
Fig. 1 is a front view of an embodiment of the present invention (the rear end cap assembly is not shown).
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a right side view of fig. 1.
Fig. 4 is a top view of fig. 1.
Fig. 5 is a bottom view of fig. 1.
FIG. 6 is a schematic structural diagram of an automotive muffler rear end cover assembly.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
referring to fig. 1 to 6: a detection device for a rear end cover assembly of an automobile silencer comprises a base 1, wherein the base comprises a horizontal bottom plate 2 at the upper end, a detection pit 3 is arranged on the bottom plate, the outline of the detection pit is matched with the outline of a rear end cover assembly 4, and the rear end cover assembly can be installed in the detection pit in a butt joint mode; the bottom plate is also provided with a pressing fast clamp 5, the pressing fast clamp is provided with a pressing end which can be supported on the rear end cover assembly in an abutting mode, and the pressing end can provide downward pressure to enable the rear end cover assembly to be arranged in the detection pit in a pressing mode; the bottom surfaces of the detection pits are respectively provided with a vertical detection shaft 7 corresponding to the mounting flanges 6 on the rear end cover assembly, and the upper end surfaces of the detection shafts and the upper end surfaces of the mounting flanges are arranged in a coplanar manner; a horizontal detection groove 8 is arranged on the upper end face of the detection shaft, and the depth dimension of the detection groove is equal to the difference between the maximum vertical dimension of the installation flanging and the minimum vertical dimension of the installation flanging; and a go-no go gauge placing position and a go-no go gauge 17 are also arranged on the bottom plate, and the go-no go gauge is used for detecting a gap between the installation flanging and the detection shaft.
Therefore, when the detection device for the rear end cover assembly of the automobile muffler is used, the rear end cover assembly to be detected is installed in a detection pit arranged above a bottom plate in a butt joint mode; and the detection shafts respectively penetrate through the two mounting flanges; and then the rear end cover assembly is compressed by adopting a compressing quick clamp. And then detecting the rear end cover assembly, wherein the rear end cover assembly is butted and turned over to not exceed the upper end of the detection pit, and the vertical size of the butted and turned-over edge is qualified. And a go-no go gauge is adopted to detect the gap between the installation flanging and the detection shaft, the go gauge can pass through, and the no go gauge is qualified if not passing through. Then, the height of the installation flanging is detected, and the upper end face of the installation flanging is qualified when being positioned between the bottom face and the upper end face of the detection groove. The detection pit can detect the outer contour of the rear end cover assembly. The device has the advantages that the outer contour of the rear end cover assembly, the vertical size of the butt joint flanging, the vertical size of the installation flanging and the diameter of the installation flanging can be better detected after the rear end cover assembly is clamped for one time, the efficiency is higher compared with manual visual inspection, the detection quality can be better ensured, and the stability of the detection quality can be better ensured.
In this embodiment, the quick pressing clips 5 are respectively disposed at both longitudinal ends and both lateral sides of the bottom plate 2.
Like this, adopt four to compress tightly fast clamp and press from both sides tight rear end cap assembly, when pressing from both sides tight rear end cap assembly, the clamp force of appllying is more balanced, the risk that produces warpage among the clamping process of avoiding that can be better to make and press from both sides tight quality better, press from both sides tightly more reliable.
In the present embodiment, the detection slot 8 includes a transverse slot 9 and a longitudinal slot 10 so that a cross-shaped structure is integrally formed; and the intersecting position of the transverse groove and the longitudinal groove is superposed with the center of the upper end face of the detection shaft.
In this way, the detection groove is set to be a transverse groove and a longitudinal groove, and the intersecting position of the transverse groove and the longitudinal groove is coincided with the center of the upper end face of the detection shaft; whether the installation turn-ups lie in between detection groove up end and the bottom surface all around can be conveniently observed more, whether conveniently judge the installation turn-ups qualified more.
In the specific embodiment, a detection block placing position is further arranged on the bottom plate, and a detection block 11 is placed on the bottom plate; the detection block is of a circular plate structure, and the diameter of the detection block is larger than or equal to that of the installation flanging; the middle position of the surface of one end of the detection block protrudes outwards to form a detection strip 12, and the length direction of the detection strip penetrates through the diameter of the detection block; the thickness dimension of test strip equals the setting with the vertical size that detects the groove, and the test strip can peg graft the setting and be in detect the inslot.
In this way, when the vertical size of the installation flanging is detected, the detection strip on the detection block is butted in the detection groove, and if the detection strip can be inserted in the detection groove and the lower surface of the detection strip can be butted with the installation flanging, the installation flanging is qualified; if the detection strip is inserted into the detection groove, the lower surface of the detection strip is directly abutted against the upper end face of the installation flanging, and the detection strip is unqualified. If the detection strip can be inserted in the detection groove, and the lower surface of the detection strip and the upper end surface of the installation flanging are arranged at intervals, the detection strip is unqualified.
In this embodiment, the left and right paired fixed locating blocks 13 are arranged on the bottom plate, the two opposite side surfaces of the locating blocks are respectively provided with a mounting groove 14, the width of the mounting groove is larger than or equal to the thickness of the detection block, and the opening directions of the two mounting grooves are oppositely arranged to form the placement positions of the detection block, so that the left and right sides of the detection block can be respectively inserted into the mounting grooves.
Like this, conveniently place and detect the piece more, and simple structure, reasonable in design.
In the specific embodiment, the device further comprises a copying pressing block 15 arranged between the pressing end and the rear end cover assembly, the lower end face of the copying pressing block is attached to and supported on the inner side face of the rear end cover assembly, and the upper end face of the copying pressing block is attached to and supported on the pressing end.
Like this, profile briquetting can be preliminary detect in the rear end cover assembly, secondly can also make better apply the packing force to the rear end cover assembly.
In this embodiment, a profile plate 16 is provided on the base plate, and the detection recess is formed in the middle of the profile plate.
Therefore, the processing and the manufacturing can be more convenient, and the manufacturing cost can be reduced. The profile plate is obtained by a plurality of rectangular frame structures which are integrally in a strip shape and are surrounded by the profile blocks.
In this embodiment, the base further includes a supporting column connected and fixed to four corner positions on the lower surface of the bottom plate. (support posts are not shown in the figure).
Therefore, the whole device can be more conveniently installed and used.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (6)
1. A detection device for a rear end cover assembly of an automobile silencer comprises a base, wherein the base comprises a horizontal bottom plate at the upper end, a detection pit is arranged on the bottom plate, the outline of the detection pit is matched with the outline of the rear end cover assembly, and the rear end cover assembly can be installed in the detection pit in a butt joint mode; the bottom plate is also provided with a pressing fast clamp, the pressing fast clamp is provided with a pressing end which can be supported on the rear end cover assembly in an abutting mode, and the pressing end can provide downward pressure to enable the rear end cover assembly to be arranged in the detection pit in a pressing mode; the detection device is characterized in that vertical detection shafts are arranged on the bottom surfaces of the detection pits respectively corresponding to the mounting flanges on the rear end cover assembly, and the upper end surfaces of the detection shafts and the upper end surfaces of the mounting flanges are arranged in a coplanar manner; a horizontal detection groove is arranged on the upper end face of the detection shaft, and the depth dimension of the detection groove is equal to the difference between the maximum vertical dimension of the installation flanging and the minimum vertical dimension of the installation flanging; and a go-no go gauge placing position and a go-no go gauge are also arranged on the bottom plate, and the go-no go gauge is used for detecting a gap between the installation flanging and the detection shaft.
2. The detecting device for the rear end cover assembly of the automobile muffler as defined in claim 1, wherein: the pressing quick clamps are respectively arranged at the longitudinal two ends and the transverse two sides of the bottom plate.
3. The detecting device for the rear end cover assembly of the automobile muffler as defined in claim 1, wherein: the detection slot comprises a transverse slot and a longitudinal slot so as to integrally form a cross-shaped structure; and the intersecting position of the transverse groove and the longitudinal groove is superposed with the center of the upper end face of the detection shaft.
4. The detecting device for the rear end cover assembly of the automobile muffler as defined in claim 1, wherein: the bottom plate is also provided with a detection block placing position and a detection block is placed on the bottom plate; the detection block is of a circular plate structure, and the diameter of the detection block is larger than or equal to that of the installation flanging; the middle position of the surface of one end of the detection block protrudes outwards to form a detection strip; the thickness dimension of test strip equals the setting with the vertical size that detects the groove, and the test strip can peg graft the setting and be in detect the inslot.
5. The detecting device for the rear end cover assembly of the automobile muffler as defined in claim 4, wherein: the bottom plate is provided with positioning blocks in a left-right paired fixed mode, the positioning blocks are provided with mounting grooves in two opposite side faces respectively, the width of each mounting groove is larger than or equal to the thickness of each detection block, the opening directions of the two mounting grooves are oppositely arranged to form the detection block placement positions, and therefore the left side and the right side of each detection block can be respectively inserted into the mounting grooves.
6. The detecting device for the rear end cover assembly of the automobile muffler as defined in claim 1, wherein: the pressing device is characterized by further comprising a copying pressing block arranged between the pressing end and the rear end cover assembly, the lower end face of the copying pressing block is attached to and supported on the inner side face of the rear end cover assembly, and the upper end face of the copying pressing block is abutted to and supported on the pressing end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020112048.2U CN211651425U (en) | 2020-01-18 | 2020-01-18 | Detection device for rear end cover assembly of automobile silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020112048.2U CN211651425U (en) | 2020-01-18 | 2020-01-18 | Detection device for rear end cover assembly of automobile silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211651425U true CN211651425U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020112048.2U Active CN211651425U (en) | 2020-01-18 | 2020-01-18 | Detection device for rear end cover assembly of automobile silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211651425U (en) |
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2020
- 2020-01-18 CN CN202020112048.2U patent/CN211651425U/en active Active
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