Casting quality detection device based on fine angle deviation analysis

Abstract

The invention discloses a casting quality detection device based on fine angle deviation analysis, and belongs to the technical field of casting quality detection. Comprising an installation unit and a detection unit, when an inner cavity of an expansion cylinder is in a gas full state, the expansion cylinder expands outwards, the outer surface of the expansion cylinder in the expanded state can be attached to the outer surface of a casting in the detected state, and the detection unit detects the casting according to residual marks generated when the casting makes contact with the outer surface of the expansion cylinder. A worker can compare the marks left on the surface of the expansion cylinder in the contraction state of the expansion cylinder and check whether the outer surface of the detected casting meets the production requirement or not. And the whole middle position of the expansion cylinder in the expansion state is in a more expansion state than the two end positions, so that the contact surfaces of the expansion surface of the expansion cylinder to a plurality of groups of detected castings have fine angle deviation, and the existing fine angle deviation can be suitable for various detected castings.

Description

Technical Field

[0001] The invention relates to the technical field of casting quality detection, and in particular to a casting quality detection device based on subtle angular deviation analysis. Background Art

[0002] Casting process is the basis of casting manufacturing, including mold manufacturing, smelting, injection of molten metal, cooling and solidification. Common casting processes include sand casting, metal mold casting, pressure casting, etc. Various casting processes are suitable for different types of parts and materials, and can realize the manufacturing of castings with complex shapes, large sizes and high precision. Quality inspection is one of the indispensable steps in the casting production process.

[0003] With the improvement of industrial automation, the quality requirements for castings are getting higher and higher. Traditional manual inspection methods are inefficient and difficult to meet the needs of modern industry. Therefore, non-destructive testing technologies such as X-ray detection, ultrasonic detection, magnetic particle detection and penetration testing are widely used in the detection of casting defects. The quality assessment of castings includes defect detection on the surface of castings, as well as external surface defects such as cracks, pores, shrinkage holes, etc., which have a significant impact on the strength and service life of castings. Most of the quality inspection devices currently on the market cannot detect a variety of castings through slight angular deviations of the device. To this end, a casting quality inspection device based on slight angular deviation analysis is proposed. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a casting quality detection device based on fine angular deviation analysis.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A casting quality detection device based on fine angular deviation analysis comprises a mounting unit and a detection unit, wherein the detection unit comprises a mounting cylinder and a rotating mechanism arranged in the inner cavity of the mounting cylinder, and a determination mechanism is transversely mounted at both ends of the mounting cylinder; The installation cylinder comprises a cylinder body and an edge opening cavity opened at the edge of the cylinder body, a built-in blocking strip is vertically arranged in a circular array in the inner cavity of the cylinder body, two groups of the cylinder bodies are transversely fixed by a positioning cross frame, and a rotating mechanism is vertically arranged in the inner cavity of the cylinder body; The rotating mechanism comprises a mounting ring and rotating blades in an annular array mounted on the outer ring of the mounting ring, and two groups of the mounting rings arranged up and down are connected in series via a rotating rod; The opening diameter of the rotating blade is consistent with the inner cavity wall of the cylinder. The whole device is vertically placed on an operating plane with the mounting frame and two sets of bearing mechanisms as support points. The castings that need to be quality inspected are placed from top to bottom into the inner cavity of the cylinder. Remove the upper mounting ring and rotating blades, sleeve the cylindrical casting on the outer ring of the rotating rod, and then sleeve the removed mounting ring and rotating blades from the top of the rotating rod, so that the upper mounting ring and the lower end surface of the rotating blade fit the top of the tested casting, and an external drive motor is connected to the bottom of the rotating rod, and the external drive motor drives the rotating rod to rotate counterclockwise. During the rotation of the rotating rod, the rotating blades driven by it rotate in the same direction as the inner cavity wall of the cylinder. When the rotating blades rotate, they will touch the outer end surface of the built-in blocking strip, but will not cause any movement obstruction, but will only cause contact vibration between the two. The vibration generated when the two touch can cause impurities remaining on the surface of the casting due to processing to fall off and peel off.

[0006] When it is necessary to inspect the cylindrical hollow casting, the inspected cylindrical hollow casting can be driven to move synchronously through the rotation of the rotating rod itself. When the cylindrical hollow casting rotates in the inner cavity of the cylinder, its outer end surface will be set as a detection contact point by the inner end wall of the built-in blocking strip opened in the inner cavity of the cylinder in a circular array. If there are burrs or protrusions on the outer surface of the inspected cylindrical hollow casting, the built-in blocking strip can touch the two, thereby blocking the rotating cylindrical hollow casting. At this time, the rotating mechanism as a whole will not rotate, thereby determining whether the inspected cylindrical hollow casting meets the production standards.

[0007] Preferably, the determination mechanism comprises two groups of transverse rods installed transversely on the outer end wall of the cylinder and an expansion cylinder installed between the two groups of transverse rods, and the side end face of the expansion cylinder is vertically arranged with a rotating cylinder. Since the castings in a placed state have their inspected surfaces facing the expansion cylinder, and the overall middle position of the expansion cylinder in the expanded state is in a more expanded state than the two end positions, there will be slight angular deviations between the expansion surface of the expansion cylinder and the contact surfaces of multiple groups of inspected castings, and the slight angular deviations can be applicable to multiple types of inspected castings.

[0008] Preferably, the detection unit also includes an inflation mechanism vertically arranged in the inner cavity of the expansion cylinder, the inflation mechanism includes two groups of pushing blocks attached to the base of the inner cavity of the expansion cylinder, the inner end faces of the two groups of pushing blocks are cross-arranged with clamping members, an airbag is clamped between the tops of the two groups of clamping members, the top of the airbag contacts the top of the inner cavity wall of the expansion cylinder, the casting to be inspected is placed into the upper end face of the load-bearing bent rod, the casting is temporarily stored through the gap between the concave vertical plate and the expansion cylinder, and multiple groups of load-bearing bent rods arranged vertically can simultaneously inspect multiple castings, an external pushing motor is installed at the interval between the two groups of pushing blocks, and the bottom of the external pushing motor The outer surface of the expansion cylinder in the expanded state can be fitted to the outer surface of the casting under inspection. According to the residual imprint of the casting contacting the outer surface of the expansion cylinder, the staff can compare the residual imprint on the surface of the expansion cylinder in the contracted state to check whether the outer surface of the casting meets the production requirements.

[0009] Preferably, the mounting unit comprises a mounting frame and a positioning plate mounted in the middle of both side end surfaces of the mounting frame, rotation adjustment mechanisms are arranged at both side end surface edge positions of the mounting frame, and a placement mechanism is arranged at the inner end surface of the supporting mechanism of the mounting unit.

[0010] Preferably, the rotation adjustment mechanism includes a swing plate and a swing frame plate connected to the side end surface of the swing plate, and contact pieces are provided at the edge corners of both sides of the swing frame plate, and one end of the contact piece is attached to the side end surfaces of the positioning plate.

[0011] Preferably, the bearing mechanism comprises a bearing bracket and a through hole arranged at a corner edge position of the bearing bracket, a cavity is provided in the middle position of a side end surface of the bearing bracket, and the cavity is communicated with both side end surfaces of the mounting frame.

[0012] Preferably, the swing frame plate can use the swing piece as a swing arm, so that the swing piece can rotate and swing with the side end surface of the mounting frame as a support point, and the overall swing angle of the swing piece is 90 degrees.

[0013] Preferably, the contact piece can pass through the inner cavity of the through hole when rotating and swinging, and the end point of the contact piece fits against the outer end wall of the expansion cylinder. When the overall device is in a quasi-working state, the swing frame plate rotates with the swing piece as a fulcrum, so that the contact pieces arranged on both sides of the outer end surface of the swing frame plate can pass through the inner cavity of the through hole and fit against the outer end surface of the expansion cylinder in an expanded state, so that the overall device can be in a restricted state. When the overall device is in a working state, the rotation adjustment mechanism returns to its initial state, so that one end of the contact piece fits against the two end surfaces of the positioning plate, thereby increasing the contact area between the overall device and the operating platform and improving the placement stability of the overall device.

[0014] Preferably, the placement mechanism includes a concave vertical plate and a positioning vertical block arranged in the middle position of the concave vertical plate, the inner end surfaces of the two groups of the concave vertical plates are vertically provided with load-bearing bent rods, and the outer end surfaces of the positioning vertical blocks are provided with counterweight bars. When it is necessary to inspect the special-shaped castings, the rotating cylinder is driven to rotate by an external motor. When the rotating cylinder rotates with the two groups of transverse rods as fulcrums, its outer end surface can continuously contact the inspected casting placed on the upper end surface of the load-bearing bent rod, and judge whether the outer surface of the inspected casting meets the production requirements by the residual transverse strip imprint of the rotating contact.

[0015] Preferably, the inner end surfaces of the two groups of concave vertical plates are respectively fitted with the outer end surfaces of the expansion cylinder and the rotation cylinder.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. During the rotation of the rotating rod, the rotating blades driven by it rotate in the same direction as the inner wall of the cylinder. When the rotating blades rotate, they will touch the outer end surface of the built-in blocking strip, but will not cause any movement obstruction. Only contact vibration will be caused between the two. The vibration generated when the two touch can remove the impurities remaining on the surface of the casting due to processing.

[0017] 2. When it is necessary to inspect the cylindrical hollow casting, the rotating rod can drive the inspected cylindrical hollow casting to move synchronously through its own rotation. When the cylindrical hollow casting rotates in the inner cavity of the cylinder, its outer end surface will be set as a detection contact point by the inner end wall of the built-in blocking strip opened in the inner cavity of the cylinder in a circular array. If there are flash or protrusions on the outer surface of the inspected cylindrical hollow casting, the built-in blocking strip can touch the two, thereby blocking the rotating cylindrical hollow casting. At this time, the rotating mechanism as a whole will not rotate, thereby determining whether the inspected cylindrical hollow casting meets the production standards.

[0018] 3. Place the casting to be inspected on the upper end surface of the load-bearing bent rod, and temporarily store the casting through the gap between the concave vertical plate and the expansion tube. Multiple groups of load-bearing bent rods arranged vertically can simultaneously inspect multiple castings. An external push motor is installed at the interval between the two groups of push blocks. The bottom of the external push motor fits the bottom of the inner cavity wall of the expansion tube. The outer surface of the expansion tube in the expanded state can fit the outer surface of the casting in the inspected state. According to the residual imprint of the casting contacting the outer surface of the expansion tube, the staff can compare the residual imprint on its surface when the expansion tube is in the contracted state to check whether the outer surface of the inspected casting meets the production requirements; 4. Since the castings in the placed state have their tested surfaces facing the expansion cylinder, and the overall middle position of the expansion cylinder in the expanded state is in a more expanded state than the two end positions, there will be slight angle deviations between the expansion surface of the expansion cylinder and the contact surfaces of multiple groups of tested castings. The slight angle deviations can be applied to many types of tested castings.

[0019] 5. When it is necessary to inspect special-shaped castings, the rotating cylinder is driven to rotate by an external motor. When the rotating cylinder rotates with two sets of transverse rods as fulcrums, its outer end surface can continuously contact the inspected casting placed on the upper end surface of the load-bearing bent rod. The residual transverse strip imprint of the rotating contact can be used to determine whether the outer surface of the inspected casting meets the production requirements.

[0020] 6. When the whole device is in a quasi-working state, the swing frame rotates with the swing piece as the fulcrum, so that the contact pieces arranged on both sides of the outer end surface of the swing frame can pass through the inner cavity of the through hole and fit on the outer end surface of the expansion cylinder in the expanded state, so that the whole device can be in a restricted state. When the whole device is in a working state, the rotation adjustment mechanism returns to the initial state, so that one end of the contact piece fits on the two end surfaces of the positioning plate, so that the contact area between the whole device and the operating platform is increased, and the placement stability of the whole device is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the three-dimensional structure of a casting quality detection device based on fine angular deviation analysis proposed by the present invention; Figure 2 This is a schematic diagram of the structure of an installation unit of a casting quality detection device based on fine angular deviation analysis proposed by the present invention; Figure 3 A schematic diagram of the structure of a bearing mechanism and a placing mechanism of a casting quality inspection device based on fine angular deviation analysis proposed by the present invention; Figure 4 This is a schematic diagram of the placement mechanism structure of a casting quality inspection device based on fine angular deviation analysis proposed by the present invention; Figure 5This is a schematic diagram of the structure of a detection unit of a casting quality detection device based on fine angular deviation analysis proposed by the present invention; Figure 6 This is a schematic diagram of the structure of the mounting tube of a casting quality inspection device based on fine angular deviation analysis proposed by the present invention; Figure 7 This is a schematic diagram of the structure of a rotating mechanism of a casting quality inspection device based on fine angular deviation analysis proposed by the present invention; Figure 8 This is a schematic diagram of the structure of the inflation mechanism of a casting quality inspection device based on fine angular deviation analysis proposed by the present invention.

[0022] In the figure: 1, mounting unit; 11, mounting frame; 12, positioning plate; 13, rotation adjustment mechanism; 131, swing plate; 132, swing frame plate; 133, contact member; 14, bearing mechanism; 141, bearing bracket; 142, through hole; 143, opening cavity; 15, placement mechanism; 151, concave vertical plate; 152, positioning vertical block; 153, bearing bent rod; 154, counterweight bar; 2, detection unit; 21, mounting cylinder; 211, cylinder body; 212, edge opening cavity; 213, built-in blocking strip; 214, positioning cross frame; 22, rotation mechanism; 221, mounting ring; 222, rotating blade; 223, rotating rod; 23, determination mechanism; 231, transverse rod; 232, expansion cylinder; 233, rotating cylinder; 24, inflation mechanism; 241, push block; 242, clamping member; 243, airbag. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] Reference Figure 1-Figure 8 Embodiment 1: A casting quality detection device based on fine angular deviation analysis comprises a mounting unit 1 and a detection unit 2, wherein the detection unit 2 comprises a mounting cylinder 21 and a rotating mechanism 22 disposed in the inner cavity of the mounting cylinder 21, and a determination mechanism 23 is transversely mounted at both ends of the mounting cylinder 21; The installation cylinder 21 includes a cylinder body 211 and an edge opening 212 opened at the edge of the cylinder body 211. The inner cavity of the cylinder body 211 is vertically provided with a ring array of built-in blocking strips 213. Two groups of cylinder bodies 211 are laterally fixed by a positioning cross frame 214. The inner cavity of the cylinder body 211 is vertically provided with a rotating mechanism 22. The rotating mechanism 22 includes a mounting ring 221 and a rotating blade 222 in an annular array mounted on the outer ring of the mounting ring 221. The two sets of mounting rings 221 arranged above and below are connected in series via a rotating rod 223. The opening diameter of the rotating blade 222 is consistent with the inner cavity wall of the cylinder 211. The whole device is vertically placed on an operating plane with the mounting frame 11 and two sets of bearing mechanisms 14 as support points, and the castings that need to be inspected for quality are placed from top to bottom into the inner cavity of the cylinder 211; Remove the upper mounting ring 221 and rotating blade 222, sleeve the cylindrical casting on the outer ring of the rotating rod 223, and then sleeve the removed mounting ring 221 and rotating blade 222 through the top of the rotating rod 223, so that the upper mounting ring 221 and the lower end surface of the rotating blade 222 fit the top of the tested casting, and an external driving motor is connected to the bottom of the rotating rod 223, and the external driving motor drives the rotating rod 223 to rotate counterclockwise. During the rotation of the rotating rod 223, the rotating blade 222 driven by it rotates in the same direction as the inner cavity wall of the cylinder 211. When the rotating blade 222 rotates, it will touch the outer end surface of the built-in blocking strip 213, but it will not cause any movement obstruction, and only cause contact vibration between the two. The vibration generated when the two touch can cause impurities remaining on the surface of the casting due to processing to fall off and peel off.

[0025] Embodiment 2, when it is necessary to inspect the cylindrical hollow casting, the cylindrical hollow casting to be inspected can be driven to move synchronously through the self-rotation of the rotating rod 223. When the cylindrical hollow casting rotates in the inner cavity of the cylinder 211, its outer end surface will be set as a detection contact point by the inner end wall of the built-in blocking strip 213 opened in the inner cavity of the cylinder 211 in a circular array. If there are burrs or protrusions on the outer surface of the cylindrical hollow casting to be inspected, the built-in blocking strip 213 can touch the two, thereby blocking the cylindrical hollow casting in a rotating state. At this time, the rotating mechanism 22 will not rotate as a whole, thereby determining whether the cylindrical hollow casting to be inspected meets the production standards.

[0026] Embodiment 3, the determination mechanism 23 comprises two groups of transverse rods 231 transversely installed on the outer end wall of the cylinder body 211 and an expansion cylinder 232 installed between the two groups of transverse rods 231, and the side end surface of the expansion cylinder 232 is perpendicularly arranged with a rotating cylinder 233. Since the castings in the placed state have their inspected surfaces facing the expansion cylinder 232, and the overall middle position of the expansion cylinder 232 in the expanded state is in a more expanded state than the two end positions, there will be slight angular deviations between the expansion surface of the expansion cylinder 232 and the contact surfaces of the multiple groups of inspected castings, and the slight angular deviations can be applicable to multiple types of inspected castings.

[0027] Embodiment 4, the detection unit 2 also includes an inflation mechanism 24 vertically arranged in the inner cavity of the expansion cylinder 232, the inflation mechanism 24 includes two groups of pushing blocks 241 attached to the inner cavity base of the expansion cylinder 232, the inner end surfaces of the two groups of pushing blocks 241 are cross-arranged with clamping members 242, and the airbag 243 is clamped between the tops of the two groups of clamping members 242, and the top of the airbag 243 contacts the top of the inner cavity wall of the expansion cylinder 232. The casting to be inspected is placed into the upper end surface of the load-bearing bent rod 153, and the casting is temporarily stored through the gap between the concave vertical plate 151 and the expansion cylinder 232. The multiple groups of load-bearing bent rods 153 arranged vertically can simultaneously inspect multiple castings, and an external driving motor is installed at the interval between the two groups of pushing blocks 241. The bottom is attached to the bottom of the inner cavity wall of the expansion cylinder 232, and the external driving motor drives the driving block 241 to move back and forth laterally. When the two groups of driving blocks 241 move toward the middle, the clamping parts 242 clamp the airbag 243 inward on both sides under their drive, so that the top of the airbag 243 in the squeezed state releases gas to the inner cavity of the expansion cylinder 232. When the inner cavity of the expansion cylinder 232 is filled with gas, the expansion cylinder 232 will expand outward, and the outer surface of the expansion cylinder 232 in the expanded state can be attached to the outer surface of the casting under inspection. According to the residual imprint of the casting contacting the outer surface of the expansion cylinder 232, the staff can compare the residual imprint on its surface when the expansion cylinder 232 is in the contracted state to check whether the outer surface of the casting under inspection meets the production requirements.

[0028] Embodiment 5, the mounting unit 1 comprises a mounting frame 11 and a positioning plate 12 mounted in the middle of both side end surfaces of the mounting frame 11, a rotation adjustment mechanism 13 is arranged at the edge positions of both side end surfaces of the mounting frame 11, and a placement mechanism 15 is arranged on the inner end surface of the supporting mechanism 14 of the mounting unit 1.

[0029] The rotation adjustment mechanism 13 includes a swing plate 131 and a swing frame 132 connected to the side end surface of the swing plate 131 . The swing frame 132 has contact pieces 133 at the corner positions of both side edges. One end of the contact piece 133 is attached to the side end surfaces of the positioning plate 12 .

[0030] The supporting mechanism 14 includes a supporting bracket 141 and a through hole 142 disposed at a corner edge of the supporting bracket 141 . A cavity 143 is formed in the middle of a side surface of the supporting bracket 141 . The cavity 143 is communicated with both side surfaces of the mounting frame 11 .

[0031] The swing frame plate 132 can use the swing piece 131 as a swing arm, so that the swing piece 131 can rotate and swing with the side end surface of the mounting frame 11 as a support point, and the overall swing angle of the swing piece 131 is 90 degrees.

[0032] The contact piece 133 can pass through the inner cavity of the through hole 142 when rotating and swinging, and the end point of the contact piece 133 fits the outer end wall of the expansion cylinder 232. When the overall device is in a quasi-working state, the swing frame 132 rotates with the swing piece 131 as a fulcrum, so that the contact pieces 133 arranged on both sides of the outer end surface of the swing frame 132 can pass through the inner cavity of the through hole 142 and fit to the outer end surface of the expansion cylinder 232 in the expanded state, so that the overall device can be in a restricted state. When the overall device is in a working state, the rotation adjustment mechanism 13 returns to the initial state, so that one end of the contact piece 133 fits to the two end surfaces of the positioning plate 12, so that the contact area between the overall device and the operating platform is increased, and the placement stability of the overall device is improved.

[0033] Embodiment 6, the placement mechanism 15 includes a concave vertical plate 151 and a positioning vertical block 152 arranged in the middle position of the concave vertical plate 151, the inner end surfaces of the two groups of concave vertical plates 151 are vertically provided with a load-bearing bent rod 153, and the outer end surface of the positioning vertical block 152 is provided with a counterweight bar 154. The inner end surfaces of the two groups of concave vertical plates 151 are respectively fitted with the outer end surfaces of the expansion cylinder 232 and the rotating cylinder 233. When it is necessary to inspect the special-shaped casting, the rotating cylinder 233 is driven to rotate by an external motor. When the rotating cylinder 233 rotates with the two groups of transverse rods 231 as fulcrums, its outer end surface can continuously contact the inspected casting placed on the upper end surface of the load-bearing bent rod 153, and judge whether the outer surface of the inspected casting meets the production requirements by the residual transverse strip imprint of the rotating contact.

[0034] In summary, a casting quality detection device based on fine angular deviation analysis includes a mounting unit 1 and a detection unit 2. The detection unit 2 includes a mounting cylinder 21 and a rotating mechanism 22 arranged in the inner cavity of the mounting cylinder 21. The two ends of the mounting cylinder 21 are laterally mounted with a determination mechanism 23. The mounting cylinder 21 includes a cylinder body 211 and an edge opening 212 opened at the edge of the cylinder body 211. The inner cavity annular array of the cylinder body 211 is vertically provided with a built-in blocking strip 213. The two groups of cylinder bodies 211 are laterally fixed by a positioning cross frame 214. The inner cavity of the cylinder 211 is vertically provided with a rotating mechanism 22, which includes a mounting ring 221 and rotating blades 222 mounted on the outer ring of the mounting ring 221 in an annular array. The two sets of mounting rings 221 arranged above and below are connected in series via a rotating rod 223. The opening diameter of the rotating blades 222 is consistent with the inner cavity wall of the cylinder 211. The whole device is vertically placed on an operating plane with the mounting frame 11 and the two sets of bearing mechanisms 14 as supporting points, and the castings to be quality inspected are placed from top to bottom into the inner cavity of the cylinder 211; Remove the upper mounting ring 221 and the rotating blade 222, sleeve the cylindrical casting on the outer ring of the rotating rod 223, and then sleeve the removed mounting ring 221 and the rotating blade 222 through the top of the rotating rod 223, so that the upper mounting ring 221 and the lower end surface of the rotating blade 222 fit the top of the tested casting, and connect an external driving motor to the bottom of the rotating rod 223, and the external driving motor drives the rotating rod 223 to rotate counterclockwise. During the rotation of the rotating rod 223, the rotating blade 222 driven by it rotates in the same direction as the inner cavity wall of the cylinder 211. When the rotating blade 222 rotates, it will touch the outer end surface of the built-in blocking bar 213, but it will not cause a movement obstruction, and only cause a contact vibration between the two. The vibration generated when the two touch can cause impurities on the surface of the casting to fall off and peel off due to processing residues; When the cylindrical hollow casting needs to be inspected, the rotating rod 223 can drive the inspected cylindrical hollow casting to move synchronously through its own rotation. When the cylindrical hollow casting rotates in the inner cavity of the cylinder 211, the inner end wall of the built-in blocking strip 213 opened in the inner cavity of the cylinder 211 in a circular array on its outer end surface is set as a detection contact point. If there are flash or protrusions on the outer surface of the inspected cylindrical hollow casting, the built-in blocking strip 213 can touch the two, thereby blocking the cylindrical hollow casting in the rotating state. At this time, the rotating mechanism 22 will not rotate as a whole, thereby determining whether the inspected cylindrical hollow casting meets the production standard; The casting to be inspected is placed on the upper end surface of the bearing bent rod 153, and the casting is temporarily stored through the gap between the concave vertical plate 151 and the expansion tube 232. The multiple groups of bearing bent rods 153 arranged vertically can simultaneously inspect multiple castings. An external driving motor is installed at the interval between the two groups of pushing blocks 241. The bottom of the external driving motor is attached to the bottom of the inner cavity wall of the expansion tube 232. The external driving motor drives the pushing block 241 to move back and forth horizontally. When the two groups of pushing blocks 241 move toward the middle, the clamping member 242 is in the belt. The airbag 243 is clamped inwardly on both sides under the movement, so that the top of the airbag 243 in the squeezed state releases gas to the inner cavity of the expansion cylinder 232. When the inner cavity of the expansion cylinder 232 is filled with gas, the expansion cylinder 232 will expand outward, and the outer surface of the expansion cylinder 232 in the expanded state can fit the outer surface of the casting in the tested state. According to the residual imprint of the casting contacting the outer surface of the expansion cylinder 232, the staff can compare the residual imprint on the surface of the expansion cylinder 232 in the contracted state to check whether the outer surface of the tested casting meets the production requirements. Since the castings in the placed state have their tested surfaces facing the expansion cylinder 232, and the middle position of the expansion cylinder 232 in the expanded state is more expanded than the two end positions, there will be slight angle deviations between the expansion surface of the expansion cylinder 232 and the contact surfaces of multiple groups of tested castings. The slight angle deviations can be applied to multiple types of tested castings. When it is necessary to inspect the special-shaped casting, the rotating cylinder 233 is driven to rotate by an external motor. When the rotating cylinder 233 rotates with the two sets of transverse rods 231 as fulcrums, its outer end surface can continuously contact the inspected casting placed on the upper end surface of the bearing bent rod 153. Through the transverse strip imprints left by the rotating contact, it is judged whether the outer surface of the inspected casting meets the production requirements; When the entire device is in a quasi-working state, the swing frame 132 rotates with the swing piece 131 as a fulcrum, so that the contact pieces 133 arranged on both sides of the outer end surfaces of the swing frame 132 can pass through the inner cavity of the through hole 142 and fit against the outer end surface of the expansion cylinder 232 in an expanded state, so that the entire device is in a restricted state. When the entire device is in a working state, the rotation adjustment mechanism 13 returns to its initial state, so that one end of the contact piece 133 fits against the two end surfaces of the positioning plate 12, so that the contact area between the entire device and the operating platform is increased, and the placement stability of the entire device is improved.

[0035] The above is the entire working principle of the present invention.

[0036] In the present invention, the installation method, connection method or setting method of all the components mentioned above are common mechanical methods, and the specific structures, models and coefficient indicators of all its components are its own technology. As long as it can achieve its beneficial effects, it can be implemented, so it will not be elaborated.

[0037] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

[0038] In the present invention, unless otherwise specified, the directional words contained in the terms such as "up, down, left, right, front, back, inside, outside, vertical, horizontal" only represent the orientation of the term in normal use, or are common names understood by those skilled in the art, and should not be regarded as limitations on the term. At the same time, number series nouns such as "first", "second" and "third" do not represent specific quantities and orders, but are merely used to distinguish names. Moreover, the terms "include", "comprise" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment that includes a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or equipment.

Claims

1. A casting quality detection device based on fine angular deviation analysis, comprising a mounting unit (1) and a detection unit (2), characterized in that: The detection unit (2) comprises a mounting tube (21) and a rotating mechanism (22) arranged in the inner cavity of the mounting tube (21), and determination mechanisms (23) are horizontally mounted at both ends of the mounting tube (21); The installation cylinder (21) comprises a cylinder body (211) and an edge opening (212) opened at an edge position of the cylinder body (211); a built-in blocking strip (213) is vertically arranged in a circular array in the inner cavity of the cylinder body (211); two groups of the cylinder bodies (211) are laterally fixed by a positioning cross frame (214); and a rotating mechanism (22) is vertically arranged in the inner cavity of the cylinder body (211); The rotating mechanism (22) comprises a mounting ring (221) and rotating blades (222) in an annular array mounted on the outer ring of the mounting ring (221); two groups of mounting rings (221) arranged one above the other are connected in series via a rotating rod (223); The opening diameter of the rotating blade (222) is consistent with the inner cavity wall of the cylinder (211).

2. A casting quality detection device based on fine angular deviation analysis according to claim 1, characterized in that: The determination mechanism (23) comprises two groups of transverse rods (231) transversely mounted on the outer end wall of the cylinder (211) and an expansion cylinder (232) mounted between the two groups of transverse rods (231), and a rotating cylinder (233) is vertically arranged on the side end surface of the expansion cylinder (232).

3. The casting quality detection device based on fine angular deviation analysis according to claim 1 is characterized in that: The detection unit (2) further comprises an inflation mechanism (24) vertically arranged in the inner cavity of the expansion cylinder (232), the inflation mechanism (24) comprising two groups of pushing blocks (241) attached to the inner cavity base of the expansion cylinder (232), the inner end surfaces of the two groups of pushing blocks (241) are cross-arranged with clamping members (242), the tops of the two groups of clamping members (242) clamp an airbag (243) between them, and the top of the airbag (243) contacts the top of the inner cavity wall of the expansion cylinder (232).

4. A casting quality detection device based on fine angular deviation analysis according to claim 1, characterized in that: The mounting unit (1) comprises a mounting frame (11) and a positioning plate (12) mounted in the middle of the end surfaces on both sides of the mounting frame (11); rotation adjustment mechanisms (13) are provided at the edge positions of the end surfaces on both sides of the mounting frame (11); and a placement mechanism (15) is provided at the inner end surface of the bearing mechanism (14) of the mounting unit (1).

5. The casting quality detection device based on fine angular deviation analysis according to claim 1 is characterized in that: The rotation adjustment mechanism (13) comprises a swing plate (131) and a swing frame plate (132) connected to the side end surface of the swing plate (131), and contact pieces (133) are provided at the corner positions of the two side edges of the swing frame plate (132), and one end of the contact piece (133) is attached to the two side end surfaces of the positioning plate (12).

6. A casting quality detection device based on fine angular deviation analysis according to claim 4, characterized in that: The bearing mechanism (14) comprises a bearing bracket (141) and a through hole (142) arranged at a corner edge position of the bearing bracket (141); a cavity (143) is provided at a middle position of a side end surface of the bearing bracket (141); and the cavity (143) is communicated with two side end surfaces of the mounting frame (11).

7. The casting quality detection device based on fine angular deviation analysis according to claim 5 is characterized in that: The swing frame plate (132) can use the swing piece (131) as a swing arm, so that the swing piece (131) rotates and swings with the side end surface of the mounting frame (11) as a support point, and the overall swing angle of the swing piece (131) is 90 degrees.

8. The casting quality detection device based on fine angular deviation analysis according to claim 5 is characterized in that: The contact piece (133) can penetrate through the inner cavity of the through hole (142) when rotating and swinging, and the end point of the contact piece (133) is in contact with the outer end wall of the expansion cylinder (232).

9. The casting quality detection device based on fine angular deviation analysis according to claim 4 is characterized in that: The placement mechanism (15) comprises a concave vertical plate (151) and a positioning vertical block (152) arranged in the middle of the concave vertical plate (151), the inner end surfaces of the two groups of concave vertical plates (151) are vertically provided with load-bearing bent rods (153), and the outer end surface of the positioning vertical block (152) is provided with a counterweight bar (154).

10. A casting quality detection device based on fine angular deviation analysis according to claim 9, characterized in that: The inner end surfaces of the two groups of concave vertical plates (151) are respectively fitted with the outer end surfaces of the expansion cylinder (232) and the rotation cylinder (233).

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