CN112504083A - Welding rod depth detection device in machine shell - Google Patents
Welding rod depth detection device in machine shell Download PDFInfo
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- CN112504083A CN112504083A CN202011155595.XA CN202011155595A CN112504083A CN 112504083 A CN112504083 A CN 112504083A CN 202011155595 A CN202011155595 A CN 202011155595A CN 112504083 A CN112504083 A CN 112504083A
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- rod
- welding rod
- depth
- welding
- machine shell
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
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- General Physics & Mathematics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a welding rod depth detection device in a machine shell, which belongs to a measuring device and comprises a base, wherein a positioning piece is arranged on the base, probes with the same number as that of welding rods in the machine shell are arranged in an insertion part of the positioning piece, the upper ends of the probes are positioned on the upper side surface of the insertion part, a material supporting rod is arranged in a flange part, a machine shell detection rod is connected onto the material supporting rod, the upper ends of the material supporting rod are positioned on the upper side surface of the flange part, a welding rod detection rod is connected onto the probes, and a machine shell detection rod is connected onto the material supporting rod; through inciting somebody to action welding rod test bar and casing test bar form the return circuit, can detect whether many welding rods are in required degree of depth simultaneously, have solved and need carry out the degree of depth detection to a plurality of welding rod of casing inner wall respectively among the prior art, and efficiency is lower, influences the problem of the output of assembly line.
Description
Technical Field
The invention relates to a measuring device, in particular to a device for detecting the depth of a welding rod in a machine shell.
Background
In the casing production process of part automobile engine, need weld a plurality of welding rod at casing inner wall circumference, in order to guarantee finished product welded precision, need detect the degree of depth position of welding rod in the casing, and prior art mainly measures the degree of depth of welding rod in proper order through manual method, and efficiency is lower, and during actual production, the detection speed can not catch up with welding speed, leads to influencing the output of assembly line.
For example, the disclosure of the "device for detecting depth of a groove" in chinese patent document, whose publication number is CN210603115U, discloses a device for detecting depth of a welding rod in a casing, which includes a supporting base and a base, and has the disadvantage that if the device is used to detect the depth of the welding rod in the casing, it is necessary to perform depth detection on a plurality of welding rods on the inner wall of the casing, which is inefficient and affects the output of the production line.
Disclosure of Invention
The invention provides a device for detecting the depth of welding rods in a machine shell, aiming at overcoming the problem that the depth detection efficiency of the welding rods is lower because no device capable of simultaneously measuring the depth of a plurality of welding rods in the machine shell exists in the existing depth measurement technology, and the device for detecting the depth of the welding rods in the machine shell can simultaneously perform depth detection on a plurality of welding rods in the inner machine shell, so that the detection efficiency is greatly improved, and the output of a production line is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a welding rod depth detection device in a machine shell, which comprises a base, wherein a positioning piece is arranged on the base and comprises an inserting part and a flange part, the inserting part is matched with the internal structure of the machine shell to be detected, the flange part is fixedly arranged on the base, probes with the same number as that of welding rods in the machine shell are arranged in the inserting part of the positioning piece, the upper ends of the probes are positioned on the upper side surface of the inserting part, a material supporting rod is arranged in the flange part, the upper end of the material supporting rod is positioned on the upper side surface of the flange part, a welding rod detection rod is connected onto each probe, a machine shell detection rod is connected onto each material supporting rod, the positioning piece is made of insulating materials, and the probes, the material supporting rods, the welding rod detection rod and the machine shell detection rod are made of metal.
After the probe is contacted with the welding rods in the shell, the welding rods corresponding to the probe are conducted with the welding rod detection rod, when the bottom of the shell is contacted with the material supporting rod, the shell is conducted with the shell detection rod, a negative electrode signal is connected to the shell detection rod, if the depth of the welding rods meets the detection requirement, when the shell is contacted with the material supporting rod, all the welding rods are just contacted with the probe, and then the shell detection rod, the material supporting rod, the shell, the welding rods, the probe and the welding rod detection rod sequentially form a communicated loop, so that the signals can be detected on the welding rod detection rod; if the depth of any one welding rod is greater than the required depth, when the shell contacts the material supporting rod, the welding rod cannot contact the corresponding probe, a loop cannot be generated, and the corresponding welding rod detection rod cannot detect a signal; if the depth of any one welding rod is smaller than the required depth, when the welding rod contacts the probe, the shell does not contact the material supporting rod, so that a loop cannot be generated, and a signal cannot be detected on the welding rod detection rod.
Preferably, the number of the material supporting rods is more than two, if the number of the material supporting rods is only one or two, when the shell presses on the material supporting rods, the shell may incline a little, so that the height position of the welding rod is deviated, the detection accuracy is affected, and the structural stability when the shell is contacted with the material supporting rods can be improved through more than two material stripping rods.
Preferably, the outer side of the insertion part is provided with a clamping groove, the circumferential relative position of the casing and the insertion part can be determined through the clamping groove, and the problem that the welding rod cannot accurately contact with the probe due to rotation of the casing is avoided.
Preferably, a backing plate made of an elastic material is further installed on the base, a positioning seat is installed on the backing plate, the probe is connected with the welding rod detection rod through a conductive block, the conductive block is installed in an insert, the insert is installed in the positioning seat, the lower side of the insert is in contact with the backing plate, and the lower end of the material supporting rod is also in contact with the backing plate; in actual production, all position sizes have certain tolerance, so that the absolute value of the welding depth of the welding rod in the shell is allowed to have certain deviation; for example, in the scheme, if the depth of one welding rod is greater than the standard value of the depth of the welding rod, but within the allowable range of the tolerance, when the machine shell descends, the welding rod can press the corresponding probe downwards, so as to drive the insert to press the base plate on the lower side of the insert, and after the base plate is pressed, the rest welding rods can still be in contact with the corresponding probe, so that a loop can still be formed.
Preferably, the base plate comprises an insert base plate positioned below the insert and a material supporting rod base plate positioned below the material supporting rod, and the base comprises a jacking mechanism used for lifting the material supporting rod base plate; the height of the top of the material supporting rod can be adjusted through the jacking mechanism, so that the device can be suitable for shells with different welding rod depths and standard sizes.
Preferably, the jacking mechanism comprises a lifting platform positioned in the base, a plurality of ejector rods are arranged on the lower side of the lifting platform, and the ejector rods are connected with the base through threads; the lifting platform can be lifted by screwing the ejector rod, so that the height of the material supporting rod is adjusted, the structure is simple, and the use is convenient.
Preferably, two parallel cushion strips are further installed between the positioning piece and the bottom plate, and the cushion plate is located between the two cushion strips; the space for accommodating the backing plate can be generated between the positioning piece and the bottom plate through the backing strip.
Therefore, the invention has the following beneficial effects: (1) whether the depths of the four welding rods in the shell meet the requirements can be detected conveniently and rapidly; (2) the deviation value in the tolerance range can be ignored, and the false detection is avoided; (3) the method can be suitable for casings with different welding rod depth standards.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic cross-sectional structural view of the present invention.
Fig. 4 is a schematic diagram of a partial explosion configuration of the present invention.
FIG. 5 is a schematic view of the structure of the connection between the insert and the probe and electrode test rod of the present invention.
FIG. 6 is a schematic cross-sectional view of the connection between the insert and the probe and electrode test rod of the present invention.
In the figure: 1. the welding rod detection device comprises a base 2, a filler strip 3, a positioning piece 4, an inserting part 5, a flange part 6, a probe 7, a material supporting rod 8, a filler plate 9, a positioning seat 10, an insert 11, a conductive block 12, a welding rod detection rod 13, a machine shell detection rod 14, a clamping groove 15, an insert filler plate 16, a material supporting rod filler plate 17, a lifting table 18, an ejector rod 19, a welding rod 20 and a machine shell.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
In the embodiment shown in fig. 1-6, a device for detecting the depth of welding rods in a casing is used for simultaneously detecting the depth of four welding rods in a casing 19 with four welding rods 18, and comprises a base 1, wherein two parallel backing strips 2 are arranged on the base, positioning pieces 3 are fixedly arranged on the backing strips, each positioning piece comprises an insertion part 4 and a flange part 5, the flange part is arranged at the lower side of the insertion part, the flange part is fixedly arranged on the backing strips through bolts, and the outer diameter of the insertion part is matched with the inner diameter of the casing to be detected; probes 6 with the same number as that of welding bars in the shell are arranged in the insertion part of the positioning piece, the probes vertically penetrate through the positioning piece, the upper ends of the probes are positioned on the upper side face of the insertion part, four material supporting rods 7 are arranged in the flange part, the upper ends of the four material supporting rods are tightly attached to the outer side of the insertion part, the material supporting rods vertically penetrate through the flange part of the positioning piece, and the upper ends of the material supporting rods are positioned on the upper side face of the flange part; a backing plate 8 is arranged between two parallel welding rods, a positioning seat 9 is arranged on the backing plate, four insert pieces 10 are arranged in the positioning seat, a conductive block 11 is arranged in each insert piece, each conductive block vertically penetrates through the corresponding insert piece, the lower side of each conductive block is in contact with the corresponding backing plate, the upper side of each conductive plate is in contact with the bottom of each probe, a welding rod detection rod 12 transversely arranged is further arranged on each conductive block, each material supporting rod vertically penetrates through the corresponding positioning seat, the bottom of each material supporting rod is in contact with the corresponding backing plate, and a casing detection rod 13 transversely arranged is arranged on each material supporting rod; the filler strip is positioned on the left side and the right side of the positioning seat, and the front side and the rear side of the positioning seat are respectively exposed with two welding rod detection rods and two casing detection rods; two clamping grooves 14 in the vertical direction are formed in the outer side of the inserting part and are matched with clamping blocks arranged in the machine shell; the positioning piece, the positioning seat and the base plate are made of insulating materials, and the probe, the material supporting rod, the welding rod detection rod and the machine shell detection rod are made of metal materials; the base plate comprises an insert base plate 15 positioned below the insert and a material supporting rod base plate 16 positioned below the material supporting rod, and the base comprises a jacking mechanism used for lifting the material supporting rod base plate; the jacking mechanism comprises a lifting platform 17 positioned in the base, a plurality of ejector rods 18 are arranged on the lower side of the lifting platform, and the ejector rods are connected with the base through threads.
The method for detecting the depth of the welding rod specifically comprises the following steps: connecting a negative electrode signal to any one shell detection rod, electrically connecting the rest shell detection rods and the welding rod detection rods into a PLC circuit, and if the depth sizes of the four welding rods are within a tolerance range, outputting signals by all the detection rods connected to the signal detection equipment, and controlling the warning lamp to be in a non-bright state through the PLC circuit; if the depth dimension of any one welding rod exceeds the tolerance range, at least one detection rod cannot output signals necessarily, and the warning lamp is controlled to be in a lighting state through the PLC circuit; and the operation judges whether the depth of the welding rod of the shell meets the requirement through the state of the warning lamp, if not, manual rechecking is carried out again, and the welding rod of the shell is reworked.
Claims (7)
1. The utility model provides a welding rod degree of depth detection device in casing, characterized by, includes the base, install the setting element on the base, the setting element includes grafting portion and flange portion, grafting portion and the inner structure adaptation of waiting to detect the casing, flange portion fixed mounting is in on the base, be equipped with in the grafting portion of setting element with the casing in the probe that the welding rod quantity is the same, the upper end of probe is located on the last side of grafting portion, be equipped with in the flange portion and hold in the palm the material pole, the upper end that holds in the palm the material pole is located on the last side of flange portion, be connected with the welding rod test beam on the probe, hold in the palm and be connected with the casing test beam on the material pole, the setting element is insulating material, probe, holding in the palm material pole, welding rod test beam, casing test beam are metal.
2. The device for detecting the depth of the welding rod in the machine shell according to claim 1, wherein the number of the material supporting rods is more than two.
3. The device for detecting the depth of the welding rod in the machine shell according to claim 1, wherein a clamping groove is formed on the outer side of the insertion part.
4. The device for detecting the depth of the welding rod in the machine shell according to any one of claims 1 to 3, wherein a backing plate made of an elastic material is further installed on the base, a positioning seat is installed on the backing plate, the probe is connected with the welding rod detection rod through a conductive block, the conductive block is installed in an insert, the insert is installed in the positioning seat, the lower side of the insert is in contact with the backing plate, and the lower end of the material supporting rod is also in contact with the backing plate.
5. The apparatus of claim 4, wherein the backing plate comprises an insert backing plate located below the insert and a material supporting rod backing plate located below the material supporting rod, and the base comprises a lifting mechanism for lifting the material supporting rod backing plate.
6. The device for detecting the depth of the welding rod in the machine shell according to claim 5, wherein the jacking mechanism comprises a lifting platform positioned inside the base, a plurality of ejector rods are arranged on the lower side of the lifting platform, and the ejector rods are connected with the base through threads.
7. The device for detecting the depth of the welding rod in the machine shell according to claim 5, wherein two parallel cushion strips are further installed between the positioning member and the bottom plate, and the cushion strip is located between the two cushion strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011155595.XA CN112504083B (en) | 2020-10-26 | 2020-10-26 | Welding rod depth detection device in machine shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011155595.XA CN112504083B (en) | 2020-10-26 | 2020-10-26 | Welding rod depth detection device in machine shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112504083A true CN112504083A (en) | 2021-03-16 |
| CN112504083B CN112504083B (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011155595.XA Active CN112504083B (en) | 2020-10-26 | 2020-10-26 | Welding rod depth detection device in machine shell |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105625A (en) * | 2011-11-11 | 2013-05-15 | 亚旭电子科技(江苏)有限公司 | Fastening piece detecting device |
| CN204276566U (en) * | 2014-11-26 | 2015-04-22 | 济南界龙科技有限公司 | Hole location sniffer |
| CN205049102U (en) * | 2015-09-23 | 2016-02-24 | 昆山龙腾光电有限公司 | Height detection device |
| CN105758291A (en) * | 2016-04-21 | 2016-07-13 | 东莞市誉铭新精密技术股份有限公司 | Depth detection mechanism |
| CN105910523A (en) * | 2016-04-21 | 2016-08-31 | 东莞市誉铭新精密技术股份有限公司 | Depth detection method |
| CN205561753U (en) * | 2016-04-21 | 2016-09-07 | 东莞市誉铭新精密技术股份有限公司 | Degree of depth detection mechanism's alarm device |
| CN210603115U (en) * | 2019-09-29 | 2020-05-22 | 深圳市向宇龙自动化设备有限公司 | Hole groove depth detection device |
-
2020
- 2020-10-26 CN CN202011155595.XA patent/CN112504083B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105625A (en) * | 2011-11-11 | 2013-05-15 | 亚旭电子科技(江苏)有限公司 | Fastening piece detecting device |
| CN204276566U (en) * | 2014-11-26 | 2015-04-22 | 济南界龙科技有限公司 | Hole location sniffer |
| CN205049102U (en) * | 2015-09-23 | 2016-02-24 | 昆山龙腾光电有限公司 | Height detection device |
| CN105758291A (en) * | 2016-04-21 | 2016-07-13 | 东莞市誉铭新精密技术股份有限公司 | Depth detection mechanism |
| CN105910523A (en) * | 2016-04-21 | 2016-08-31 | 东莞市誉铭新精密技术股份有限公司 | Depth detection method |
| CN205561753U (en) * | 2016-04-21 | 2016-09-07 | 东莞市誉铭新精密技术股份有限公司 | Degree of depth detection mechanism's alarm device |
| CN210603115U (en) * | 2019-09-29 | 2020-05-22 | 深圳市向宇龙自动化设备有限公司 | Hole groove depth detection device |
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| CN112504083B (en) | 2021-11-19 |
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Denomination of invention: A depth detection device for welding rod in shell Effective date of registration: 20220622 Granted publication date: 20211119 Pledgee: Dongyang Branch of China Construction Bank Co.,Ltd. Pledgor: HENGDIAN GROUP DMEGC MAGNETICS Co.,Ltd. Registration number: Y2022330001028 |