Detection tool for detecting deformation of thin-wall bent pipe type casting

Abstract

The utility model relates to a thin-wall bent pipe casting deformation detection gauge, which comprises a base and a plurality of positioning mechanisms arranged on the base and used for limiting a bent pipe, and a main detection module is arranged at the position, corresponding to a pipe orifice of the bent pipe, of the base. The main detection module comprises a detection base and a main detection plug block capable of moving in the length direction of the detection base, and three layers of step faces with different heights are arranged on the surface of the main detection plug block and used for detecting the gap amount between the bent pipe and the main detection plug block. The device is simple in structure, reasonable in design, time-saving and labor-saving, and efficient and convenient in detection, and the main detection module is arranged to correspond to the upper and lower deviations of the casting deformation, so that the workpiece is quickly detected, the processing is adjusted according to the upper and lower deviations, the efficiency is improved, and the subsequent continuous processing of the deformed workpiece to cause scrap is avoided.

Description

Technical Field

[0001] The utility model relates to a deformation detection fixture for thin-walled bent pipe castings. Background Art

[0002] At present, some parts of pipe castings are prone to deformation, such as cast iron parts, re-cast aluminum, die-cast aluminum parts, etc.; in the prior art, for example, a turbocharged intake bent pipe is produced by an aluminum re-casting process. The total length of the bent pipe is 450 mm, and the diameter is 62 mm - 86 mm. Due to the structural characteristics of the product, the casting will have a deformation of ±1. Especially at the pipe orifice position of the intake bent pipe, the pipe orifice has a wall thickness deviation, resulting in rejection. There are problems of unstable processing and low yield rate. Therefore, it is necessary to detect the deformation of the produced intake bent pipe to avoid the outflow of defective products. However, the current detection of the local deformation of the intake bent pipe is relatively troublesome, time-consuming and laborious, and has low efficiency. Therefore, a special fixture that can quickly detect the local deformation of the intake bent pipe is designed. Content of the Utility Model

[0003] The utility model improves the above problems, that is, the technical problem to be solved by the utility model is a deformation detection fixture for thin-walled bent pipe castings, which is convenient and efficient for detection.

[0004] The utility model is composed of a base and several positioning mechanisms arranged on the base and used for limiting the bent pipe. A main detection module is arranged at the position of the base corresponding to the pipe orifice of the bent pipe. The main detection module includes a detection base and a main detection plug that can move along the length direction of the detection base. Three stepped surfaces with different heights are arranged on the surface of the main detection plug to detect the clearance between the bent pipe and the main detection plug.

[0005] Furthermore, a U-shaped detection groove is opened on the surface of the detection base, and the U-shaped detection groove is in sliding fit with the main detection plug.

[0006] Furthermore, the main detection plug includes a U-shaped plug and a cylindrical plug handle, and the heights of the three stepped surfaces decrease in turn from left to right.

[0007] Furthermore, three positioning mechanisms are provided. One is arranged at the pipe orifice of the bent pipe far from the main detection module, and the other two are respectively arranged on both sides of the bent pipe.

[0008] Furthermore, the positioning mechanism includes a support column and a quick clamping mechanism disposed on the base. The quick clamping mechanism includes a clamping seat, a fixing plate, a connecting rod, an operating rod, and a swing rod. A handle is sleeved on the operating rod. The fixing plate is installed above the clamping seat. One side of the connecting rod is hinged to the left side of the fixing plate, and the other side of the connecting rod is hinged to the operating rod. The upper right side of the fixing plate is hinged to the lower left side of the swing rod. The upper left side of the swing rod is hinged to the right side of the handle. A support plate is provided on the right side of the swing rod. A screw rod is provided on the support plate. The upper part of the screw rod is fastened to the support plate by two bolts. A pressing column is fixed below the screw rod. A limiting space for limiting the bent pipe is formed between the pressing column and the support column.

[0009] Furthermore, a secondary detection module is provided on one side near the pipe orifice of the bent pipe. The secondary detection module includes a U-shaped seat. A U-shaped groove is formed above the U-shaped seat. A secondary detection plug block is provided in the U-shaped groove. The secondary detection plug block includes a convex block and a long strip block provided below the convex block. The long strip block is slidably matched with the U-shaped groove. Three stepped surfaces are provided on the bottom surface of the long strip block for detecting the clearance margin between the long strip block and the support feet provided on the bent pipe. The heights of the three stepped surfaces decrease in sequence.

[0010] Furthermore, a positioning block is also provided on the base. A positioning column for abutting against the bent pipe is provided on one side of the positioning block.

[0011] Furthermore, a placing seat is also provided on the base. Two placing grooves are formed on the surface of the placing seat. One placing groove is used for placing the main detection plug block, and the other placing groove is used for placing the secondary detection plug block.

[0012] Furthermore, support feet are provided at the four corners of the base.

[0013] Compared with the prior art, the utility model has the following beneficial effects: The device is reasonably designed and has a simple structure. By placing the bent pipe on the base, the extension point of the bent pipe is supported by three support columns, and at the same time, the positioning column abuts against the side of the bent pipe. Then, the bent pipe is fastened to the support column through a quick clamping mechanism. Take out the main detection plug of the main detection module and push the main detection plug along the U-shaped detection groove of the detection base. If the first stepped surface of the main detection plug cannot be inserted between the bent pipe and the detection base, it means that the downward deformation of the bent pipe exceeds the standard and is unqualified. If the first stepped surface of the main detection plug can be inserted between the bent pipe and the detection base, it means that it is just qualified. If the second stepped surface of the main detection plug is just inserted between the bent pipe and the detection base, it means that it is within the qualified numerical range. If the third stepped surface of the main detection plug is just inserted between the bent pipe and the detection base and the gap between the bent pipe and the third stepped surface of the main detection plug is just right, it means that it is qualified. If there is a large gap between the third stepped surface of the main detection plug and the bent pipe after the main detection plug is inserted between the bent pipe and the detection base, it means that the pipe orifice of the bent pipe is warped and deformed, and it is judged as unqualified. The first stepped surface and the third stepped surface of the main detection plug of this device are equivalent to the upper and lower differences of the casting deformation amount. If the deformation amount is within the upper and lower deviation ranges, it is qualified. If the deformation amount is outside the upper and lower deviation ranges, it is unqualified. By setting the upper and lower differences of the casting deformation amount, the workpiece can be quickly detected, and the processing can be adjusted according to the upper difference and the lower difference, improving the efficiency and avoiding the subsequent scrapping caused by continuing to process the deformed workpiece. At the same time, the workpiece is positioned on the base according to its shape, and the picking and placing operations are convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the working state of an embodiment of the present utility model Figure 1 ;

[0015] Figure 2 is a schematic diagram of the working state of an embodiment of the present utility model Figure 2 ;

[0016] Figure 3 is a schematic structural diagram of an embodiment of the present utility model Figure 1 ;

[0017] Figure 4 is a schematic structural diagram of an embodiment of the present utility model Figure 2 ;

[0018] Figure 5 is a partially enlarged view of the position of the auxiliary detection module in an embodiment of the present utility model;

[0019] Figure 6 is Figure 2 a partially enlarged view of the position A in

[0020] Figure 7 is a cross-sectional view at the position of the main detection module in an embodiment of the present utility model;

[0021] Figure 8 Cross-sectional view at the position of the auxiliary detection module in the embodiment of the present utility model;

[0022] Figure 9 Schematic structural diagram of the auxiliary detection plug block in the embodiment of the present utility model. Specific implementation manners

[0023] The following further describes the present utility model in detail with reference to the drawings and specific implementation manners.

[0024] Embodiment: As Figure 1-9 shown, in this embodiment, a deformation detection fixture for thin-walled bent pipe castings is provided, including a base 1 and a plurality of positioning mechanisms 2 disposed on the base and used for limiting the bent pipe. A main detection module 3 is disposed at the position corresponding to the pipe orifice of the bent pipe on the base. The main detection module includes a detection base 301 and a main detection plug block 302 that can move along the length direction of the detection base. Three stepped surfaces 303 with different heights are disposed on the surface of the main detection plug block for detecting the clearance between the bent pipe and the main detection plug block.

[0025] The three stepped surfaces on the surface of the main detection plug block include a first stepped surface, a second stepped surface, and a third stepped surface.

[0026] In the embodiment of the present utility model, a U-shaped detection groove 304 is formed on the surface of the detection base, and the U-shaped detection groove is in sliding fit with the main detection plug block.

[0027] In the embodiment of the present utility model, the main detection plug block includes a U-shaped plug block 305 and a cylindrical plug handle 306, and the heights of the three stepped surfaces decrease sequentially from left to right.

[0028] In the embodiment of the present utility model, three positioning mechanisms are provided, one of which is disposed at the pipe orifice of the bent pipe far from the main detection module, and the other two are respectively disposed on both side portions of the bent pipe.

[0029] The above-mentioned positioning mechanism 2 includes a support column 21 arranged on the base and a quick clamping mechanism 22. The quick clamping mechanism includes a clamping seat 221, a fixing plate 222, a connecting rod 223, an operating rod 224 and a swing rod 225. A handle 226 is sleeved on the operating rod. The fixing plate is installed above the clamping seat. One side of the connecting rod is hinged to the left side of the fixing plate, and the other side of the connecting rod is hinged to the operating rod. The upper right side of the fixing plate is hinged to the lower left side of the swing rod. The right side of the handle is hinged to the upper left side of the swing rod. A support plate 227 is arranged on the right side of the swing rod. A screw 228 is arranged on the support plate. The upper part of the screw is fastened to the support plate by two bolts 229. A pressure column 230 is fixed below the screw. A limiting space for limiting the bent pipe is formed between the pressure column and the support column. Of course, other existing suitable quick clamps can also be used for the quick clamping mechanism here.

[0030] In the embodiment of the present invention, a secondary detection module 4 is arranged on one side near the pipe orifice of the bent pipe. The secondary detection module includes a U-shaped seat 401. A U-shaped groove 402 is opened above the U-shaped seat. A secondary detection plug block 403 is arranged in the U-shaped groove. The secondary detection plug block includes a convex block 404 and a long strip block 405 arranged below the convex block. The long strip block is slidably matched with the U-shaped groove. Three stepped surfaces 406 are arranged on the bottom surface of the long strip block for detecting the clearance margin between the long strip block and the support feet 92 arranged on the bent pipe. The heights of the three stepped surfaces decrease in sequence.

[0031] In the embodiment of the present invention, a positioning block 5 is further arranged on the base. A positioning column 6 for abuting against the bent pipe is arranged on one side of the positioning block.

[0032] In the embodiment of the present invention, a placing seat 7 is further arranged on the base. Two placing grooves 71 are opened on the surface of the placing seat. One placing groove is used for placing the main detection plug block, and the other placing groove is used for placing the secondary detection plug block.

[0033] In the embodiment of the present invention, support feet 8 are arranged at the four corners of the base.

[0034] In the embodiment of the present invention, a plurality of extension points 91 are arranged on both sides of the workpiece bent pipe 9. The plurality of extension points abut against the support columns of the base and are fastened by the pressure column of the quick clamping mechanism.

[0035] In the embodiment of the present utility model, during use, the bent pipe is placed on the base. The extension point of the bent pipe is supported by three support columns. At the same time, the positioning post abuts against the side of the bent pipe, and then the bent pipe is fastened to the support column through the quick clamping mechanism. Take out the main detection plug of the main detection module and push the main detection plug along the U-shaped detection groove of the detection base. If the first stepped surface of the main detection plug cannot be inserted between the bent pipe and the detection base, it means that the downward deformation of the bent pipe exceeds the standard and is unqualified. If the first stepped surface of the main detection plug can be inserted between the bent pipe and the detection base, it means that it is just qualified. If the second stepped surface of the main detection plug is just inserted between the bent pipe and the detection base, it means that it is within the qualified numerical range. If the third stepped surface of the main detection plug is just inserted between the bent pipe and the detection base and the gap between the bent pipe and the third stepped surface of the main detection plug is just right, it means that it is qualified. If there is a large gap between the third stepped surface of the main detection plug and the bent pipe after the main detection plug is inserted between the bent pipe and the detection base, it means that the pipe orifice of the bent pipe is warped and deformed, and it is judged as unqualified. The first stepped surface and the third stepped surface of the main detection plug of this device are equivalent to the upper and lower differences of the casting deformation amount. If the deformation amount is within the upper and lower deviation ranges, it is qualified. If the deformation amount is outside the upper and lower deviation ranges, it is unqualified. By setting the upper and lower differences of the casting deformation amount, the workpiece is quickly detected, and the processing is adjusted according to the upper difference and the lower difference to improve the efficiency and avoid waste caused by continuing to process the deformed workpiece later. At the same time, the workpiece is positioned on the base according to its shape, and the picking and placing operations are convenient.

[0036] In addition, the detection principle of the sub-detection module is the same as that of the main detection module. If the first stepped surface of the sub-detection plug of the sub-detection module can just fit the surface of the support leg of the bent pipe, it is qualified; if the first stepped surface of the sub-detection plug cannot be pushed onto the surface of the support leg, it is unqualified; if the second stepped surface of the sub-detection plug fits the surface of the support leg of the bent pipe and does not exceed the third stepped surface of the sub-detection plug, it is also qualified; if the third stepped surface of the sub-detection plug just fits the surface of the support leg of the bent pipe, it is also qualified. If there is a gap between the third stepped surface of the sub-detection plug and the surface of the support leg, it is deformed and unqualified. It should be noted here that generally, the deformation amount of the sub-detection module will be within the qualified range, mainly because the deformation amount of the main detection module varies greatly.

[0037] For any of the technical solutions disclosed in the above present utility model, unless otherwise stated, if it discloses a numerical range, the disclosed numerical range is a preferred numerical range. Any person skilled in the art should understand that the preferred numerical range is only the numerical values with obvious technical effects or representativeness among many implementable numerical values. Since there are too many numerical values to enumerate, the present utility model only discloses some numerical values to illustrate the technical solutions of the present utility model. Moreover, the above-listed numerical values should not constitute a limitation on the protection scope of the present utility model.

[0038] Meanwhile, if the above-mentioned utility model of the present disclosure or involves components or structural parts that are fixedly connected to each other, then, unless otherwise stated, the fixed connection can be understood as: a detachable fixed connection (for example, connected by screws or bolts), or can also be understood as: a non-detachable fixed connection (for example, riveting, welding). Of course, the mutual fixed connection can also be replaced by an integral structure (for example, manufactured by integral forming using casting technology) (except where it is clearly impossible to use the integral forming process).

[0039] If terms such as "first", "second", etc. are used in this article to limit components, those skilled in the art should be aware that: the use of "first", "second", etc. is only for the convenience of distinguishing components in the description. Unless otherwise stated, the above terms have no special meaning.

[0040] In addition, unless otherwise stated, the terms used to represent the positional relationship or shape in any of the technical solutions disclosed in the above-mentioned utility model of the present disclosure include states or shapes that are approximate, similar, or close to it.

[0041] Any component provided by the present utility model can either be assembled from a plurality of individual components or be a single component manufactured by an integral forming process.

[0042] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit it; although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: it is still possible to modify the specific implementation manners of the present utility model or perform equivalent replacements for some technical features; without departing from the spirit of the technical solutions of the present utility model, they should all be covered within the scope of the technical solutions claimed by the present utility model.

Claims

1. A deformation detection fixture for thin-walled bent pipe castings, characterized in that: It includes a base and several positioning mechanisms arranged on the base and used to limit the bent pipe. A main detection module is arranged at the position of the base corresponding to the pipe mouth of the bent pipe. The main detection module includes a detection base and a main detection plug that can move along the length direction of the detection base. The surface of the main detection plug is provided with three layers of stepped surfaces with different heights to detect the gap between the bent pipe and the main detection plug.

2. The thin-walled bent pipe casting deformation detection gauge according to claim 1 is characterized in that: A U-shaped detection groove is provided on the surface of the detection base, and the U-shaped detection groove is slidably matched with the main detection plug.

3. The deformation detection fixture for thin-walled bent pipe castings according to claim 1 is characterized in that: The main detection plug block comprises a U-shaped plug block and a cylindrical plug handle, and the three stepped surfaces decrease in height from left to right.

4. The deformation detection fixture for thin-walled bent pipe castings according to claim 1 is characterized in that: There are three positioning mechanisms, one of which is arranged at the pipe mouth of the curved pipe away from the main detection module, and the other two are arranged at both sides of the curved pipe.

5. The deformation detection fixture for thin-walled bent pipe castings according to claim 4 is characterized in that: The positioning mechanism includes a support column and a quick clamping mechanism arranged on the base, and the quick clamping mechanism includes a clamping seat, a fixed plate, a connecting rod, an operating rod and a rocker arm. The operating rod is covered with a handle, and the fixed plate is installed above the clamping seat, one side of the connecting rod is hinged to the left side of the fixed plate, and the other side of the connecting rod is hinged to the operating rod, the upper right side of the fixed plate is hinged to the lower left side of the rocker arm, the right side of the handle is hinged to the upper left side of the rocker arm, and the right side of the handle is hinged to the upper left side of the rocker arm. A support plate is provided on the right side of the rocker arm, and a screw rod is provided on the support plate. The upper part of the screw rod is fastened to the support plate by two bolts, and a pressure column is fixed below the screw, and a limiting space for limiting the bending pipe is formed between the pressure column and the support column.

6. The deformation detection fixture for thin-walled bent pipe castings according to claim 1 is characterized in that: An auxiliary detection module is arranged on one side close to the pipe opening of the bent pipe, the auxiliary detection module comprises a U-shaped seat, a U-shaped groove is provided above the U-shaped seat, an auxiliary detection plug is arranged in the U-shaped groove, the auxiliary detection plug comprises a convex block and a long strip block arranged below the convex block, the long strip block is slidably matched with the U-shaped groove, and three step surfaces are arranged on the bottom surface of the long strip block for detecting the clearance margin between the long strip block and the supporting feet arranged on the bent pipe, and the heights of the three step surfaces decrease successively.

7. The deformation detection fixture for thin-walled bent pipe castings according to claim 1 is characterized in that: The base is also provided with a positioning block, and one side of the positioning block is provided with a positioning column for leaning against the bent pipe.

8. The deformation detection fixture for thin-walled bent pipe castings according to claim 6 is characterized in that: The base is also provided with a placement seat, and the surface of the placement seat is provided with two placement grooves, one of which is used for placing the main detection plug block, and the other is used for placing the auxiliary detection plug block.

9. The deformation detection fixture for thin-walled bent pipe castings according to claim 6, characterized in that: Support feet are arranged at the four corners of the base.

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