CN107356171B - Appearance dimension gauge of fume collecting hood - Google Patents
Appearance dimension gauge of fume collecting hood Download PDFInfo
- Publication number
- CN107356171B CN107356171B CN201710639519.8A CN201710639519A CN107356171B CN 107356171 B CN107356171 B CN 107356171B CN 201710639519 A CN201710639519 A CN 201710639519A CN 107356171 B CN107356171 B CN 107356171B
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- 239000003517 fume Substances 0.000 title abstract description 45
- 238000001514 detection method Methods 0.000 claims abstract description 333
- 230000007246 mechanism Effects 0.000 claims abstract description 166
- 230000006835 compression Effects 0.000 claims description 56
- 238000007906 compression Methods 0.000 claims description 56
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 10
- 239000000779 smoke Substances 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 12
- 238000003754 machining Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
-
- 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
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
-
- 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
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
-
- 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
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a dimension gauge for a fume collecting hood in the technical field of dimension detection, which comprises a fixed frame, wherein an upper bracket, a middle bracket and a lower bracket are sequentially arranged on the frame from top to bottom at intervals, a plurality of first detection mechanisms are arranged on the front side of the lower bracket, the detection surface of the first detection mechanism can be completely jointed with a front side plate of a qualified workpiece, a second detection mechanism and a third detection mechanism are respectively arranged at two ends of the upper side of the lower bracket, the detection surface of the second detection mechanism can be jointed with a left side plate of the qualified workpiece, and the detection surface of the third detection mechanism can be jointed with a right side plate of the qualified workpiece; the front side of the upper bracket is provided with a detection mechanism IV, the detection surface of the detection mechanism IV can be attached to the front top plate of the qualified workpiece, the two sides of the upper bracket are respectively provided with a detection mechanism V and a detection mechanism VI, the detection surface of the detection mechanism V can be attached to the left top plate of the qualified workpiece, the detection surface of the detection mechanism VI can be attached to the right top plate of the qualified workpiece, and the workpiece to be detected is placed on the middle bracket; the invention has high detection efficiency and high detection precision.
Description
Technical Field
The invention relates to an outline dimension gauge, in particular to a device for detecting the outline dimension of a fume collecting hood.
Background
After the production of the fume collecting hood is finished, the outline dimension of the fume collecting hood is required to be strictly detected so as to remove unqualified products, the outline dimension is mainly detected to detect the planeness of a top plate and 3 side plates of the fume collecting hood, the top plate comprises a left top plate, a right top plate and a front top plate which are connected together, the front top plate and the front side plates are spliced together in a welding mode, the left top plate and the left side plates are spliced together in a welding mode, the right top plate and the right side plates are spliced together in a welding mode, therefore, gaps of welding seams are also required to be detected, and when the planeness of the top plate and each side plate and the gaps of the welding seams meet the specified requirements, the product is a qualified product which can be sent out for sale; otherwise, the product is waste and reprocessed. In the prior art, a device for detecting the overall dimension of the fume collecting hood is not available, and is generally used for detecting the planeness of a top plate and a side plate of the fume collecting hood by a detector, and whether a welding line meets the process requirement or not is difficult to see under the condition that the top plate and the side plate are not clamped and are not compared, so that the detection efficiency is low, the detection precision is low, and the labor intensity is high.
Disclosure of Invention
The invention provides a detection tool for the external dimensions of a fume collecting hood, which solves the technical problem of low detection efficiency in the prior art.
The purpose of the invention is realized in the following way: the utility model provides a utensil is examined to overall dimension of collection petticoat pipe, includes fixed frame, from last upper bracket, intermediate support and the lower carriage of being equipped with in proper order down in the frame, a plurality of detection mechanism I have been arranged to the front side of lower carriage, detection mechanism I's detection face can be with the complete laminating of the front side place plane of qualified work piece front side board, the both ends of lower carriage upside are equipped with detection mechanism II and detection mechanism III respectively, detection mechanism II's detection face can be with the complete laminating of the left side place plane of qualified work piece left side board, detection mechanism III's detection face can be with the complete laminating of the right side place plane of qualified work piece right side board; the front side of the upper bracket is provided with a detection mechanism IV, the detection surface of the detection mechanism IV can be completely attached to the plane of the upper side of the front top plate of the qualified workpiece, the two sides of the upper bracket are respectively provided with a detection mechanism V and a detection mechanism VI, the detection surface of the detection mechanism V can be completely attached to the plane of the upper side of the left top plate of the qualified workpiece, the detection surface of the detection mechanism VI can be completely attached to the plane of the upper side of the right top plate of the qualified workpiece, and the workpiece to be detected is placed on the middle bracket.
When the device works, the detection surface of the first detection mechanism can be completely attached to the plane of the front side plate of the qualified workpiece through finish machining, the detection surfaces of the second detection mechanism and the third detection mechanism can be completely attached to the left side plate and the right side plate of the qualified workpiece through finish machining respectively, the detection surface of the fourth detection mechanism can be completely attached to the plane of the front top plate of the qualified workpiece through finish machining, the detection surfaces of the fifth detection mechanism and the sixth detection mechanism can be completely attached to the left top plate and the right top plate of the qualified workpiece through finish machining respectively, each detection mechanism acts to enable each detection surface to be just pressed on each corresponding surface to be detected of the workpiece to be detected, and when the detection surfaces of each detection mechanism are completely attached to each surface to be detected of the workpiece to be detected or are not completely attached to each other, the maximum height difference between the detection surfaces of the detection mechanisms and the corresponding surfaces to be detected does not exceed a flatness error limit value, so that the flatness of the workpiece to be detected meets the process requirements; otherwise, the workpiece to be detected is an unqualified product; meanwhile, the top plate and the 3 side plates of the workpiece to be detected are pressed by the detection surfaces of the detection mechanisms, the edges of the detection surfaces of the detection mechanisms are aligned, and whether the welded seam between the top plate and each side plate meets the process requirement or not can be easily seen through comparison, so that the detection efficiency is high; the invention can automatically clamp the surfaces to be detected of the workpiece to be detected, and can facilitate the detection of the welding seam while measuring the flatness, thereby improving the detection efficiency and having high detection precision; the method can be applied to detection of the external dimension of the fume collecting hood.
In order to realize the detection of the flatness of the front side plate of the fume collecting hood, the first detection mechanism comprises a base fixedly connected to the front side of the lower bracket, the front side of the base is provided with a first connection bracket and a second connection bracket, the first connection bracket and the second connection bracket are symmetrically arranged relative to the center of the base in the length direction, one end of a connecting sheet is rotatably connected to the vertical part of the first connection bracket, one end of the connecting sheet is tightly attached to one end of the connecting sheet and symmetrically arranged relative to the center of the base in the length direction, the other ends of the connecting sheet are connected together through a fixing seat, a pressing rod is slidably and vertically connected to the fixing seat, penetrates through a sliding cavity formed by the connecting sheet and the connecting sheet, and after the pressing rod is vertically pressed on the first detection plate, a screw rod outside the fixing seat is fastened through a fastening nut; the outer side of the connecting piece I behind the connecting position of the connecting piece I and the connecting support I is also rotatably connected with one end of a locking piece I, the outer side of the connecting piece II behind the connecting position of the connecting piece II and the connecting support II is also rotatably connected with one end of a locking piece II, the other ends of the locking piece I and the locking piece II are clung together, handles are inserted on the locking piece I and the locking piece II clung together, and the locking piece I and the locking piece II are symmetrically arranged about the center of the base in the length direction; the first locking piece below the joint of the first locking piece and the connecting piece is rotatably connected with one end of the swing rod, the other end of the swing rod is rotatably connected to the vertical part of the first connecting bracket, the second locking piece below the joint of the second locking piece and the connecting piece is rotatably connected with one end of the second swing rod, and the other end of the second swing rod is rotatably connected to the vertical part of the second connecting bracket; the first detection plate is arranged opposite to the front side plate of the workpiece to be detected, when the pressing rod is pressed on one side of the first detection plate, the other side of the first detection plate is attached to the front side plate of the workpiece to be detected, the other end of the first connection plate is in a vertical state, an arc section at one lower part of the locking piece is just abutted against an arc section at one lower part of the connecting bracket, and an arc section at the lower part of the second locking piece is just abutted against an arc section at the lower part of the second connecting bracket; when the other end of the first connecting sheet is in a horizontal state, the arc section at the upper part of the first locking sheet just abuts against the arc surface at the upper part of the first connecting bracket, the arc section at the upper part of the second locking sheet just abuts against the arc section at the upper part of the second connecting bracket, and the other side of the first detection plate is a detection surface of the first detection mechanism; in the design, the handle is manually rotated, the arc section at the lower part of the locking piece is just abutted against the arc section at the lower part of the connecting bracket, the arc section at the lower part of the locking piece II is just abutted against the arc section at the lower part of the connecting bracket II, the self-locking mechanism is self-locked, the screw rod is just abutted against the front side of the first detection plate, no matter how large upward acting force is applied to the screw rod by the first detection plate, the screw rod can not move forwards, and if the bottom sides of the screw rods of all the self-locking mechanisms are just abutted against the front side of the front side plate, the flatness of the front side plate meets the technological requirements; when the detection is finished, the handle is rotated upwards, the first connecting sheet swings downwards anticlockwise under the action of the first locking sheet, the first swinging rod swings downwards, the second connecting sheet swings downwards anticlockwise under the action of the second locking sheet, when the arc section on the upper portion of the first locking sheet just abuts against the arc surface on the upper portion of the first connecting support, the arc section on the upper portion of the second locking sheet just abuts against the arc section on the upper portion of the second connecting support, the first connecting sheet swings downwards anticlockwise for 90 degrees around the first connecting support, namely the first swinging rod is in a horizontal state, and the detected workpiece is taken out conveniently at the moment.
In order to realize the detection of the sizes of the left side plate and the right side plate of the fume collecting hood, the detection mechanism II comprises a first compression cylinder and a first guide sleeve fixedly connected to the upper side of the lower bracket, a cylinder body of the first compression cylinder is fixedly connected with the lower bracket, a piston rod of the first compression cylinder is connected with one end of a detection plate II, the other end of the detection plate II is a detection surface, the detection plate II is opposite to the left side plate of a workpiece to be detected, a first guide rod is slidably connected in the first guide sleeve, one end of the first guide rod is suspended, and the other end of the first guide rod is fixedly connected with the second detection plate; the second detection mechanism and the third detection mechanism have the same structure, and are symmetrically arranged relative to the center of the workpiece to be detected in the length direction; in the design, when the detection mechanism II works, the compression cylinder I acts, a piston rod of the compression cylinder I continuously extends, after the compression cylinder I is abutted against the detection plate II, the detection plate moves towards the direction of the left side plate of the workpiece to be detected, meanwhile, the guide rod I moves along the guide sleeve I, when the detection plate II is just abutted against the left side plate of the workpiece to be detected, the compression cylinder I stops acting, if the other end of the detection plate II can be fully abutted against the left side plate, or the maximum height difference between the detection plate II and the left side plate does not exceed a flatness error specified value, the flatness of the left side plate meets the process requirement, otherwise, the flatness of the left side plate does not meet the process requirement; the working principle of the detection mechanism III is the same as that of the detection mechanism II.
In order to further improve the moving stability of the second detection plate, the first guide sleeves are arranged in number of 2, and the first guide sleeves are symmetrically arranged relative to the center of the second detection plate in the front-rear direction.
In order to realize the detection of the size of the front top plate of the fume collecting hood, the detection mechanism IV comprises a compression cylinder II and a guide sleeve II fixedly connected to the front side of the upper bracket, a guide rod II is slidably connected in the guide sleeve II, the bottom of the guide rod II is fixedly connected with one end of a detection plate III, one end of a piston rod of the compression cylinder II is fixedly connected with the detection plate III, a cylinder body of the compression cylinder II is fixedly connected with the upper bracket, the detection plate III is opposite to the front top plate of a workpiece to be detected, and the other end of the detection plate III is a detection surface; the second guide sleeves are arranged in number, and the second guide sleeves are symmetrically arranged at the centers of the second detection plates in the length direction; in the design, when the detection mechanism III works, the compression cylinder II acts, the piston rod of the compression cylinder II arranged opposite to the detection plate III continuously extends out, the piston rod of the compression cylinder II drives the detection plate III to descend, the guide rod II slides along the guide sleeve II, when the detection plate III is just compressed on the front top plate of the fume collecting hood, the compression cylinder II stops acting, if the detection plate III can be completely attached to the fume collecting hood, or the maximum height difference between the measured detection plate III and the plane of the upper side of the front top plate of the fume collecting hood does not exceed a flatness error specified value, the flatness of the plane of the upper side of the front top plate of the fume collecting hood meets the process requirement, otherwise, the fume collecting hood is an unqualified product; the setting of guide bar makes the pick-up plate three horizontal lift all the time, improves the detection precision.
In order to realize the detection of the sizes of the left top plate and the right top plate of the fume collecting hood, the detection mechanism five comprises a compression cylinder three and a guide sleeve three fixedly connected to the left side of the upper bracket, a guide rod three is slidably connected in the guide sleeve three, the bottom of the guide rod three is fixedly connected with one end of a detection plate four, the detection plate four is opposite to the left top plate of a workpiece to be detected, the other end of the detection plate four is a detection surface of the detection mechanism five, a cylinder body of the compression cylinder three is fixedly connected to the left side of the upper bracket, and one end of a piston rod at the bottom of the compression cylinder three is opposite to one end of the detection plate four; the structure of the detection mechanism five is the same as that of the detection mechanism six, and the detection mechanism five and the detection mechanism six are symmetrically arranged relative to the center of the front top plate in the length direction; in the design, when the detection mechanism five works, the compression cylinder three acts, a piston rod of the compression cylinder three continuously stretches out, the compression cylinder three pushes the detection plate four to descend, the guide rod three is arranged to enable the detection plate four to descend horizontally, when the detection surface of the detection plate four just abuts against the left top plate, the compression cylinder three stops acting, if the bottom side of the detection plate four can be completely attached to the left top plate, or the maximum height difference between the bottom side of the detection plate four and the plane of the left top plate does not exceed the flatness error limit value, the flatness of the left top plate meets the process requirement, otherwise, the fume collecting hood is an unqualified product; the detection mechanism six and the detection mechanism five have the same working principle.
In order to enable the fume collecting hood to be measured to be located at the central position of the upper support in the length direction, a positioning mechanism is further arranged on the upper side of the middle support, the positioning mechanism is arranged in a containing cavity formed by a top plate and a bottom plate of a workpiece to be measured, the positioning mechanism enables the workpiece to be measured to be located at the central position of the upper support in the length direction, and the centers of the upper support and the lower support in the length direction are identical.
In order to realize accurate positioning of the fume collecting hood in the length direction so as to improve detection precision, two rows of parallel left slide rail supporting seats and right slide supporting seats which are horizontally arranged are respectively arranged at two ends of the middle support, the positioning mechanism comprises a left slide rail and a right slide rail, the left slide rail is fixedly connected to the left slide rail supporting seat, the right slide rail is fixedly connected to the right slide rail supporting seat, a left slide plate is slidably connected to the left slide rail, a left adjusting plate is arranged on the front side of the left slide plate, the left adjusting plate is attached to the inner side of a front side plate of a workpiece to be detected, the right side edge of the left adjusting plate is aligned with the right side edge of the left slide plate, a right slide plate is slidably connected to the right slide rail, the front side of the right slide plate is provided with a right adjusting plate, the right adjusting plate is attached to the inner side of a front side plate of the workpiece to be detected, the left side edge of the right adjusting plate is aligned with the right slide plate, and a trapezoid groove is formed between the left adjusting plate and the right adjusting plate; the lower side of the center of the upper bracket is fixedly connected with a connecting seat, a sliding groove is formed in the connecting seat, the upper side of the connecting seat is fixedly connected with a positioning cylinder, a piston rod at one end of the positioning cylinder is connected with a sliding seat, the sliding seat can slide in the sliding groove, the lower side of the sliding seat is fixedly connected with a positioning plate, the lower sides of the connecting seats at two sides of the sliding seat are fixedly connected with two parallel sliding guide rails, the upper sides of the positioning plates at two sides of the sliding seat are fixedly connected with sliding blocks capable of sliding along the sliding guide rails, the upper side of the front part of the positioning plate is fixedly connected with a trapezoidal pushing plate corresponding to the trapezoidal groove, and the left adjusting plate and the right adjusting plate can be pushed outwards by the pushing plate to enable a workpiece to be tested to be positioned at the center of the upper bracket in the length direction; in this design, the positioning cylinder action, positioning cylinder's piston rod constantly stretches out, the sliding seat moves to the preceding curb plate place direction of collection petticoat pipe, the sliding seat drives the push plate and removes along the dovetail groove, dovetail groove and push plate are trapezoidal setting, make the push plate push left regulating plate and right regulating plate outwards push, left regulating plate drives left sliding plate horizontal migration, right regulating plate drives right sliding plate horizontal migration right, until left regulating plate and right regulating plate all contradict in the inboard of collection petticoat pipe, positioning cylinder stop action, at this moment, collection petticoat pipe just is in the central point of upper bracket in length direction, make detection mechanism one first, detection mechanism four, detection mechanism five and detection mechanism six's detection face aligns with the center of each plane of waiting to detect collection petticoat pipe, improve detection precision.
As a further improvement of the present invention, the left and right adjusting plates are symmetrically disposed with respect to the center of the upper bracket in the length direction, the left and right sliding plates are symmetrically disposed with respect to the center of the upper bracket in the length direction, and the left and right slide rails are symmetrically disposed with respect to the center of the upper bracket in the length direction.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a perspective view of the structure of the present invention.
Fig. 3 is a perspective view of the present invention with the three frames and the detector plate hidden.
Fig. 4 is a schematic diagram of a three-dimensional structure with the frame hidden in the present invention.
Fig. 5 is a partial enlarged view at a of fig. 2.
Fig. 6 is a perspective view of a first detecting mechanism according to the present invention.
Fig. 7 is a structural view of a first connecting piece in the detecting mechanism in the horizontal state.
The smoke hood detection device comprises a first detection mechanism, a first detection plate, a 102 screw rod, a 103 fastening nut, a second connection plate, a second 105 locking plate, a second 106 handle, a first 107 locking plate, a first 108 connection bracket, a first 109 connection plate, a first 110 base, a 111 sliding cavity, a first 112 fixing seat, a second 113 swing rod, a first 114 swing rod, a second 115 connection bracket, a second 2 detection mechanism, a first 201 guide sleeve, a first 202 guide rod, a 203 compression cylinder, a first 204 detection plate, a fifth 3 detection mechanism, a third 301 guide sleeve, a third 302 guide rod, a third 303 compression cylinder, a fourth 304 detection plate, a fourth 4 detection mechanism, a fourth 401 guide sleeve, a second 402 guide rod, a second 403 compression cylinder, a third 404 detection plate, a sixth 5 detection mechanism, a 6 frame, a third 7 detection mechanism, a lower bracket, a 9 upper bracket, a10 positioning mechanism, a 1001 right sliding plate, a 1002 right sliding rail support seat, a 1003 right sliding rail, a 1004 positioning cylinder, a left sliding rail 1006, a left sliding rail support seat, a left sliding plate 1007, a 1008 left adjusting plate, a 1009 positioning plate, a 1010 pushing plate, a 1011 sliding groove, a 1015 sliding seat, a connecting seat 1013, a 1014 sliding seat, a 1014 adjusting block, a seat, a 1014, a guide rail, a 1016 sliding seat, and a middle frame 12.
Detailed Description
The invention will be further illustrated with reference to specific examples.
The appearance size detection tool for the fume collecting hood shown in fig. 1-7 comprises a fixed frame 6, wherein an upper bracket 9, a middle bracket 11 and a lower bracket 8 are sequentially arranged on the frame 6 from top to bottom at intervals, a plurality of detection mechanisms I1 are arranged on the front side of the lower bracket 8, the detection surface of the detection mechanism I1 can be completely attached to a plane where the front side of a front side plate of a qualified workpiece is located, a detection mechanism II 2 and a detection mechanism III 7 are respectively arranged at two ends of the upper side of the lower bracket 8, the detection surface of the detection mechanism II 2 can be completely attached to a plane where the left side plate of the qualified workpiece is located, and the detection surface of the detection mechanism III 7 can be completely attached to a plane where the right side plate of the qualified workpiece is located; the front side of the upper bracket 9 is provided with a detection mechanism IV 4, the detection surface of the detection mechanism IV 4 can be completely attached to the plane of the upper side of the front top plate of the qualified workpiece, two sides of the upper bracket 9 are respectively provided with a detection mechanism V3 and a detection mechanism V5, the detection surface of the detection mechanism V3 can be completely attached to the plane of the upper side of the left top plate of the qualified workpiece, the detection surface of the detection mechanism V5 can be completely attached to the plane of the upper side of the right top plate of the qualified workpiece, and the workpiece to be detected is placed on the middle bracket 11.
In order to realize the detection of the flatness of the front side plate of the fume collecting hood 12, the first detection mechanism 1 comprises a base 110 fixedly connected to the front side of the lower bracket 8, the front side of the base 110 is provided with a first connection bracket 108 and a second connection bracket 115, the first connection bracket 108 and the second connection bracket 115 are symmetrically arranged relative to the center of the base 110 in the length direction, one end of a connecting sheet 109 is rotatably connected to the vertical part of the first connection bracket 108, one end of a connecting sheet 104 is rotatably connected to the vertical part of the second connection bracket 115, one end of the connecting sheet 109 and one end of the connecting sheet 104 are tightly attached together and symmetrically arranged relative to the center of the base 110 in the length direction, the other ends of the connecting sheet 109 and the connecting sheet 104 are connected together through a fixing seat 112, a pressing rod is slidably and vertically connected to the fixing seat 112, and penetrates through a sliding cavity 111 formed by the connecting sheet 109 and the connecting sheet 104, and after the pressing rod is vertically pressed on the first detection plate 101, a screw 102 on the outer side of the fixing seat 112 is fastened through a fastening nut 103; one end of a locking piece I107 is rotatably connected to the outer side of a connecting piece I109 behind the connecting position of a connecting piece I109 and a connecting support I108, one end of a locking piece II 105 is rotatably connected to the outer side of a connecting piece II 104 behind the connecting position of a connecting support II 115, the other ends of the locking piece I107 and the locking piece II 105 are tightly attached together, handles 106 are inserted into the locking piece I107 and the locking piece II 105 which are tightly attached together, and the locking piece I107 and the locking piece II 105 are symmetrically arranged with respect to the center of the base 110 in the length direction; the first locking piece 107 below the joint of the first locking piece 107 and the first connecting piece 109 is rotatably connected with one end of the first swinging rod 114, the other end of the first swinging rod 114 is rotatably connected with the vertical part of the first connecting bracket 108, the second locking piece 105 below the joint of the second locking piece 105 and the second connecting piece 104 is rotatably connected with one end of the second swinging rod 113, and the other end of the second swinging rod 113 is rotatably connected with the vertical part of the second connecting bracket 115; the detection plate I101 is arranged opposite to the front side plate of the workpiece to be detected, when the pressing rod is pressed on one side of the detection plate I101, the other side of the detection plate I101 is attached to the front side plate of the workpiece to be detected, the other end of the connecting sheet I109 is in a vertical state, the arc section at the lower part of the locking sheet I107 is just abutted against the arc section at the lower part of the connecting bracket I108, and the arc section at the lower part of the locking sheet II 105 is just abutted against the arc section at the lower part of the connecting bracket II 115; when the other end of the first connecting sheet 109 is in a horizontal state, the arc section on the upper part of the first locking sheet 107 just abuts against the arc surface on the upper part of the first connecting support 108, the arc section on the upper part of the second locking sheet 105 just abuts against the arc section on the upper part of the second connecting support 115, and the other side of the first detection plate 101 is a detection surface of the first detection mechanism 1.
In order to realize the detection of the sizes of the left side plate and the right side plate of the fume collecting hood 12, the detection mechanism II 2 comprises a first compression cylinder 203 and a first guide sleeve 201 fixedly connected to the upper side of the lower bracket 8, the cylinder body of the first compression cylinder 203 is fixedly connected with the lower bracket 8, a piston rod of the first compression cylinder 203 is connected with one end of a detection plate II 204, the other end of the detection plate II 204 is a detection surface, the detection plate II 204 is opposite to the left side plate of a workpiece to be detected, a first guide rod 202 is slidably connected in the first guide sleeve 201, one end of the first guide rod 202 is suspended, and the other end of the first guide rod 202 is fixedly connected with the second detection plate 204; the second detection mechanism 2 and the third detection mechanism 7 have the same structure, and the second detection mechanism 2 and the third detection mechanism 7 are symmetrically arranged relative to the center of the workpiece to be detected in the length direction; the first guide sleeves 201 are arranged in number of 2, and the first guide sleeves 201 are symmetrically arranged relative to the center of the second detection plate 204 in the front-rear direction.
In order to realize the detection of the size of the front top plate of the fume collecting hood 12, the detection mechanism IV 4 comprises a second compression cylinder 403 and a second guide sleeve 401 fixedly connected to the front side of the upper bracket 9, a second guide rod 402 is slidably connected in the second guide sleeve 401, one end of a detection plate III 404 is fixedly connected to the bottom of the second guide rod 402, one end of a piston rod of the second compression cylinder 403 is fixedly connected with the detection plate III 404, a cylinder body of the second compression cylinder 403 is fixedly connected with the upper bracket 9, the detection plate III 404 is opposite to the front top plate of a workpiece to be detected, and the other end of the detection plate III 404 is a detection surface; the second guide sleeves 401 are arranged in number, and the second guide sleeves 401 are symmetrically arranged relative to the center of the third detection plate 404 in the length direction.
In order to realize the detection of the sizes of the left top plate and the right top plate of the fume collecting hood 12, the detection mechanism five 3 comprises a compression cylinder three 303 and a guide sleeve three 301 fixedly connected to the left side of the upper bracket 9, a guide rod three 302 is slidably connected in the guide sleeve three 301, one end of a detection plate four 304 is fixedly connected to the bottom of the guide rod three 302, the detection plate four 304 is opposite to the left top plate of a workpiece to be detected, the other end of the detection plate four 304 is a detection surface of the detection mechanism five 3, a cylinder body of the compression cylinder three 303 is fixedly connected to the left side of the upper bracket 9, and one end of a piston rod at the bottom of the compression cylinder three 303 is opposite to one end of the detection plate four 304; the detection mechanism five 3 and the detection mechanism six 5 have the same structure, and the detection mechanism five 3 and the detection mechanism six 5 are symmetrically arranged relative to the center of the front top plate in the length direction.
In order to enable the fume collecting hood 12 to be measured to be positioned at the center of the upper bracket 9 in the length direction, a positioning mechanism 10 is further arranged on the upper side of the middle bracket 11, the positioning mechanism 10 is arranged in a containing cavity formed by a top plate and a bottom plate of a workpiece to be measured, the positioning mechanism 10 enables the workpiece to be measured to be positioned at the center of the upper bracket 9 in the length direction, and the centers of the upper bracket 9 and the lower bracket 8 in the length direction are the same; the positioning mechanism 10 has a specific structure that two rows of left slide rail supporting seats 1006 and right slide rail supporting seats which are parallel and horizontally arranged are respectively arranged at two ends of a middle bracket 11, the positioning mechanism 10 comprises a left slide rail 1005 and a right slide rail 1003, the left slide rail 1005 is fixedly connected to the left slide rail supporting seat 1006, the right slide rail 1003 is fixedly connected to the right slide rail 1003 supporting seat 1002, a left slide plate 1007 is slidably connected to the left slide rail 1005, a left adjusting plate 1008 is arranged at the front side of the left slide plate 1007, the left adjusting plate 1008 is attached to the inner side of a front side plate of a workpiece to be detected, the left adjusting plate 1008 is aligned with the right side edge of the left slide plate 1007, a right slide plate 1001 is slidably connected to the right slide rail 1003, a right adjusting plate 1014 is arranged at the front side of the right slide plate 1001 and attached to the inner side of the front side plate of the workpiece to be detected, the left side edge of the right adjusting plate 1014 is aligned with the right side edge of the right slide plate 1001, and a trapezoid groove is formed between the left adjusting plate 1008 and the right adjusting plate 1014; the lower side of the center of the upper bracket 9 is fixedly connected with a connecting seat 1013, a sliding groove 1011 is formed in the connecting seat 1013, the upper side of the connecting seat 1013 is fixedly connected with a positioning cylinder 1004, a piston rod at one end of the positioning cylinder 1004 is connected with a sliding seat 1012, the sliding seat 1012 can slide in the sliding groove 1011, the lower side of the sliding seat 1012 is fixedly connected with a positioning plate 1009, the lower sides of the connecting seats 1013 at two sides of the sliding seat 1012 are fixedly connected with two parallel sliding guide rails 1016, the upper sides of the positioning plates 1009 at two sides of the sliding seat 1012 are fixedly connected with sliding blocks 1015 which can slide along the sliding guide rails 1016, the upper side of the front part of the positioning plate 1009 is fixedly connected with a trapezoidal pushing plate 1010 corresponding to the trapezoid groove, and the pushing plate 1010 can push the left adjusting plate 1008 and the right adjusting plate 1014 outwards to enable a workpiece to be detected to be positioned at the center of the upper bracket 9 in the length direction; the left and right adjustment plates 1008 and 1014 are disposed symmetrically with respect to the center of the upper bracket 9 in the longitudinal direction, the left and right slide plates 1007 and 1001 are disposed symmetrically with respect to the center of the upper bracket 9 in the longitudinal direction, and the left and right slide rails 1005 and 1003 are disposed symmetrically with respect to the center of the upper bracket 9 in the longitudinal direction.
Among them, the first pressing cylinder 203, the second pressing cylinder 403, the third pressing cylinder 303 and the positioning cylinder 1004 are preferably double-rod double-acting cylinders.
The workpiece to be detected is a fume collecting hood 12; when the invention works, in order to enable the detection surfaces of the detection mechanism I1, the detection mechanism IV 4, the detection mechanism V3 and the detection mechanism V5 to be opposite to the corresponding surfaces to be detected of the fume collecting hood 12, the positioning mechanism 10 acts, specifically, the positioning cylinder 1004 acts, the piston rod of the positioning cylinder 1004 continuously stretches out, the sliding seat 1012 moves towards the direction of the front side plate of the fume collecting hood 12, the sliding seat 1012 drives the pushing plate 1010 to move along the trapezoid groove, the pushing plate 1010 is arranged in a trapezoid shape, the left regulating plate 1008 drives the left sliding plate 1007 to horizontally move leftwards, the right regulating plate 1014 drives the right sliding plate 1001 to horizontally move rightwards until the left regulating plate 1008 and the right regulating plate 1014 are abutted against the inner side of the fume collecting hood 12, and at this moment, the fume collecting hood 12 is just in the center position of the upper bracket 9 in the length direction, so that the detection surfaces of the detection mechanism I1, the detection mechanism IV 4, the detection mechanism V3 and the detection mechanism V5 are aligned with the centers of the respective surfaces to be detected of the fume collecting hood 12 to be detected, and the detection precision is improved; the detection surface of the detection mechanism I1 can be completely attached to the plane of the front side plate of the qualified workpiece through finish machining, the detection surfaces of the detection mechanism II 2 and the detection mechanism III 7 can be completely attached to the left side plate and the right side plate of the qualified workpiece through finish machining respectively, the detection surface of the detection mechanism IV 4 can be completely attached to the plane of the front top plate of the qualified workpiece through finish machining, the detection surfaces of the detection mechanism V3 and the detection mechanism V5 can be completely attached to the left top plate and the right top plate of the qualified workpiece through finish machining respectively, and each detection mechanism acts to enable each detection surface to be just pressed on each detection surface to be detected corresponding to the workpiece to be detected; specifically, when the first detection mechanism 1 works, the handle 106 is manually rotated, the arc section at the lower part of the first locking piece 107 just abuts against the arc section at the lower part of the first connection bracket 108, the arc section at the lower part of the second locking piece 105 just abuts against the arc section at the lower part of the second connection bracket 115, the self-locking mechanism is self-locked, the screw 102 just abuts against the front side of the first detection plate 101, no matter how much upward acting force is applied to the screw 102 by the first detection plate 101, the screw 102 cannot move forward, if the bottom sides of the screws 102 of all the self-locking mechanisms just abut against the front side of the front side plate or the maximum height difference between the bottom sides of the screws 102 and the front side plate of the smoke collecting hood 12 does not exceed the limit value of flatness error, the flatness of the front side plate meets the process requirement, otherwise the smoke collecting hood 12 is an unqualified product; when the detection mechanism II 2 works, the first compression cylinder 203 acts, a piston rod of the first compression cylinder 203 continuously extends, after the first compression cylinder 203 is abutted against the second detection plate 204, the second detection plate 204 moves towards the direction of the left side plate of the workpiece to be detected, meanwhile, the first guide rod 202 moves along the first guide sleeve 201, when the second detection plate 204 is just pressed against the left side plate of the workpiece to be detected, the first compression cylinder 203 stops acting, if the other end of the second detection plate 204 can be completely attached to the left side plate, or the maximum height difference between the second detection plate 204 and the left side plate does not exceed a flatness error specified value, the flatness of the left side plate meets the process requirement, otherwise, the fume collecting hood 12 is an unqualified product; the detection principle of the detection mechanism III 7 is the same as that of the detection mechanism II 2, and the detection mechanism III is not repeated here; when the detection mechanism IV 4 works, the second compression cylinder 403 acts, one end of a piston rod of the second compression cylinder 403 arranged opposite to the detection plate III 404 continuously extends, the piston rod of the second compression cylinder 403 drives the detection plate III 404 to descend, the guide rod II 402 slides along the guide sleeve II 401, when the detection plate III 404 is just compressed on the front top plate of the fume collecting hood 12, the second compression cylinder 403 stops acting, if the detection plate III 404 can be completely attached to the fume collecting hood 12, or the measured maximum height difference between the detection plate III 404 and the plane of the upper side of the front top plate of the fume collecting hood 12 does not exceed a flatness error specified value, the flatness of the plane of the upper side of the front top plate of the fume collecting hood 12 meets the process requirement, otherwise, the fume collecting hood 12 is a disqualified product; when the detection mechanism five 3 works, the compression cylinder three 303 acts, a piston rod of the compression cylinder three 303 continuously extends, the compression cylinder three 303 pushes the detection plate four 304 to descend, the guide rod three 302 is arranged to enable the detection plate four 304 to descend horizontally, when the detection surface of the detection plate four 304 just abuts against the left top plate, the compression cylinder three 303 stops acting, if the bottom side of the detection plate four 304 can be completely attached to the left top plate, or the maximum height difference between the bottom side of the detection plate four 304 and the plane of the left top plate does not exceed the flatness error limit value, the flatness of the left top plate meets the process requirement, otherwise, the fume collecting hood 12 is an unqualified product; the working principle of the detection mechanism six 5 and the detection mechanism five 3 is the same, and the description is omitted here; meanwhile, the top plate and the 3 side plates of the workpiece to be detected are pressed by the detection surfaces of the detection mechanisms, the edges of the detection surfaces of the detection mechanisms are aligned, and whether the welded seam between the top plate and each side plate meets the process requirement or not can be easily seen through comparison, so that the detection efficiency is high; the positioning mechanism 10 is arranged, so that the fume collecting hood 12 is automatically pushed to the center of the upper bracket 9, the middle bracket 11 or the lower bracket 8 in the length direction very skillfully, the detection surface of each detection mechanism is opposite to the corresponding surface to be detected of the fume collecting hood 12, and the detection precision is improved; each detection mechanism can automatically clamp the surface to be detected of the workpiece to be detected, and the detection of the welding line is convenient when the flatness is measured, so that the detection efficiency is improved, and the detection precision is high; the method can be applied to the detection of the external dimensions of the fume collecting hood 12.
Without being limited to the above embodiments, based on the technical solution disclosed in the present invention, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and these substitutions and modifications are all within the scope of protection of the present invention.
Claims (6)
1. The utility model provides a utensil is examined to overall dimension of collection petticoat pipe, its characterized in that includes fixed frame, from last upper bracket, intermediate support and the lower carriage of being equipped with in proper order down in the frame, a plurality of detection mechanism I have been arranged to the front side of lower carriage, detection mechanism I's detection face can be with the complete laminating of the front side place plane of qualified work piece front side board, the both ends of lower carriage upside are equipped with detection mechanism II and detection mechanism III respectively, detection mechanism II's detection face can be with the complete laminating of the left side place plane of qualified work piece left side board, detection mechanism III's detection face can be with the complete laminating of the right side place plane of qualified work piece right side board; the front side of the upper bracket is provided with a detection mechanism IV, the detection surface of the detection mechanism IV can be completely attached to the plane of the upper side of the front top plate of the qualified workpiece, the two sides of the upper bracket are respectively provided with a detection mechanism V and a detection mechanism VI, the detection surface of the detection mechanism V can be completely attached to the plane of the upper side of the left top plate of the qualified workpiece, the detection surface of the detection mechanism VI can be completely attached to the plane of the upper side of the right top plate of the qualified workpiece, and the workpiece to be detected is placed on the middle bracket; the first detection mechanism comprises a base fixedly connected to the front side of the lower bracket, the front side of the base is provided with a first connection bracket and a second connection bracket, the first connection bracket and the second connection bracket are symmetrically arranged relative to the center of the base in the length direction, one end of a first connection sheet is rotatably connected to the vertical part of the first connection bracket, one end of a second connection sheet is rotatably connected to the vertical part of the second connection bracket, one end of the first connection sheet and one end of the second connection sheet are tightly attached together and symmetrically arranged relative to the center of the base in the length direction, the other ends of the first connection sheet and the second connection sheet are connected together through a fixing seat, a compression rod is vertically connected to the fixing seat in a sliding mode, penetrates through a sliding cavity formed by the first connection sheet and the second connection sheet, and after the compression rod is vertically compressed on the first detection plate, a screw on the outer side of the fixing seat is fastened through a fastening nut; the outer side of the connecting piece I behind the connecting position of the connecting piece I and the connecting support I is also rotatably connected with one end of a locking piece I, the outer side of the connecting piece II behind the connecting position of the connecting piece II and the connecting support II is also rotatably connected with one end of a locking piece II, the other ends of the locking piece I and the locking piece II are clung together, handles are inserted on the locking piece I and the locking piece II clung together, and the locking piece I and the locking piece II are symmetrically arranged about the center of the base in the length direction; the first locking piece below the joint of the first locking piece and the connecting piece is rotatably connected with one end of the swing rod, the other end of the swing rod is rotatably connected to the vertical part of the first connecting bracket, the second locking piece below the joint of the second locking piece and the connecting piece is rotatably connected with one end of the second swing rod, and the other end of the second swing rod is rotatably connected to the vertical part of the second connecting bracket; the first detection plate is arranged opposite to the front side plate of the workpiece to be detected, when the pressing rod is pressed on one side of the first detection plate, the other side of the first detection plate is attached to the front side plate of the workpiece to be detected, the other end of the first connection plate is in a vertical state, an arc section at one lower part of the locking piece is just abutted against an arc section at one lower part of the connecting bracket, and an arc section at the lower part of the second locking piece is just abutted against an arc section at the lower part of the second connecting bracket; when the other end of the first connecting sheet is in a horizontal state, the arc section on the upper part of the first locking sheet is just abutted against the arc surface on the upper part of the first connecting bracket, the arc section on the upper part of the second locking sheet is just abutted against the arc section on the upper part of the second connecting bracket, the other side of the first detection plate is a detection surface of the first detection mechanism, the second detection mechanism comprises a first compression cylinder and a first guide sleeve fixedly connected with the upper side of the lower bracket, a cylinder body of the first compression cylinder is fixedly connected with the lower bracket, a piston rod of the first compression cylinder is connected with one end of the second detection plate, the other end of the second detection plate is a detection surface, the second detection plate is opposite to the left side plate of a workpiece to be detected, a guide rod I is slidably connected in the guide sleeve, one end of the guide rod is suspended, and the other end of the guide rod is fixedly connected with the second detection plate; the structure of the second detection mechanism is the same as that of the third detection mechanism, the second detection mechanism and the third detection mechanism are symmetrically arranged relative to the center of the workpiece to be detected in the length direction, the fourth detection mechanism comprises a second compression cylinder and a second guide sleeve fixedly connected to the front side of the upper bracket, a second guide rod is slidably connected in the second guide sleeve, the bottom of the second guide rod is fixedly connected with one end of a third detection plate, one end of a piston rod of the second compression cylinder is fixedly connected with the third detection plate, a cylinder body of the second compression cylinder is fixedly connected with the upper bracket, the third detection plate is opposite to a front top plate of the workpiece to be detected, and the other end of the third detection plate is a detection surface; the detection mechanism five comprises a compression cylinder three and a guide sleeve three fixedly connected to the left side of the upper bracket, a guide rod three is slidably connected in the guide sleeve three, the bottom of the guide rod three is fixedly connected with one end of a detection plate four, the detection plate four faces to a left top plate of a workpiece to be detected, the other end of the detection plate four is a detection surface of the detection mechanism five, a cylinder body of the compression cylinder three is fixedly connected to the left side of the upper bracket, and one end of a piston rod at the bottom of the compression cylinder three is opposite to one end of the detection plate four; the structure of the detection mechanism five is the same as that of the detection mechanism six, and the detection mechanism five and the detection mechanism six are symmetrically arranged relative to the center of the front top plate in the length direction.
2. The smoke collecting hood external dimension gauge according to claim 1, wherein the number of the first guide sleeves is 2, and the first guide sleeves are symmetrically arranged relative to the center of the second detection plate in the front-rear direction.
3. The smoke collecting hood external dimension gauge according to claim 1, wherein the number of the second guide sleeves is 2, and the number of the second guide sleeves is symmetrically arranged relative to the center of the third detection plate in the length direction.
4. A smoke collecting hood external dimension gauge according to any one of claims 1-3, wherein a positioning mechanism is further arranged on the upper side of the middle bracket, the positioning mechanism is arranged in a containing cavity formed by a top plate and a bottom plate of a workpiece to be detected, the positioning mechanism enables the workpiece to be detected to be located at the center position of the upper bracket in the length direction, and the centers of the upper bracket and the lower bracket in the length direction are the same.
5. The smoke collecting hood appearance size checking fixture according to claim 4, wherein two rows of parallel left slide rail supporting seats and right slide rail supporting seats which are horizontally arranged are respectively arranged at two ends of the middle support, the positioning mechanism comprises a left slide rail and a right slide rail, the left slide rail is fixedly connected to the left slide rail supporting seat, the right slide rail is fixedly connected to the right slide rail supporting seat, a left slide plate is slidably connected to the left slide rail, a left adjusting plate is arranged on the front side of the left slide plate, the left adjusting plate is attached to the inner side of a front side plate of a workpiece to be checked, the right side of the left adjusting plate is aligned with the right side of the left slide plate, a right slide plate is slidably connected to the right slide rail, the front side of the right slide plate is provided with a right adjusting plate, the right adjusting plate is attached to the inner side of a front side plate of the workpiece to be checked, the right adjusting plate is aligned with the left side of the right slide plate, and a trapezoid groove is formed between the left adjusting plate and the right adjusting plate; the lower side at upper bracket center has linked firmly the connecting seat, it has the sliding tray to open on the connecting seat, the connecting seat upside has linked firmly the location cylinder, the one end piston rod of location cylinder has connected with the sliding seat, the sliding seat can slide in the sliding tray, and the sliding seat downside has linked firmly the locating plate, and the connecting seat downside of sliding seat both sides has linked firmly two rows of parallel slide rail, and the locating plate upside of sliding seat both sides has linked firmly the gliding sliding block of slide rail along, the upper side at locating plate front portion has linked firmly the flitch that is trapezoidal form corresponding with the dovetail groove, the flitch can be with left regulating plate and right regulating plate outside the central point that makes the work piece that awaits measuring in the upper bracket on length direction.
6. The smoke collecting hood outer dimension gauge according to claim 5, wherein the left adjusting plate and the right adjusting plate are arranged symmetrically with respect to the center of the upper bracket in the length direction, the left sliding plate and the right sliding plate are arranged symmetrically with respect to the center of the upper bracket in the length direction, and the left sliding rail and the right sliding rail are arranged symmetrically with respect to the center of the upper bracket in the length direction.
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| CN201710639519.8A CN107356171B (en) | 2017-07-31 | 2017-07-31 | Appearance dimension gauge of fume collecting hood |
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| CN107356171B true CN107356171B (en) | 2024-05-03 |
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| CN109029223B (en) * | 2018-08-23 | 2020-08-07 | 东莞市欧珀精密电子有限公司 | Jig and flatness measuring method of middle frame assembly |
| CN110375627B (en) * | 2019-08-26 | 2020-12-11 | 无锡杰尔维科技有限公司 | Flatness detection equipment |
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| JP2010204040A (en) * | 2009-03-05 | 2010-09-16 | Honda Motor Co Ltd | Tool for measuring device, measuring device, and measurement method |
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