Positioning detection device for middle bending section of axle housing body

Abstract

The utility model relates to the technical field of automobile part processing, in particular to a positioning detection device for a middle bent section of an axle housing body, which comprises a base, a middle positioning part and a vertical pressing unit, and is characterized in that the middle positioning part comprises a middle pressing rod, a middle supporting rod, a middle arc positioning block and a middle supporting piece; the top of the middle arc positioning block is matched with a lute hole in the bottom of the middle bent section of the axle housing body. The top end of the middle supporting rod makes contact with the middle of the bottom of the axle housing body. The top end of the middle pressing rod is connected with the bottom of the vertical pressing unit, and the bottom end of the middle pressing rod can abut against and make contact with the top of the middle of the axle housing body. The middle pressing rod can rapidly press the middle section of the axle housing body, and the top of the axle housing body cannot be damaged by the pressure of the middle pressing rod; and the middle arc positioning block can quickly position the middle bent section of the axle housing body.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile part processing, especially relates to a positioning detection device for the middle bending section of axle housing body. BACKGROUND

[0002] The automobile axle housing body is an important component in the automobile driving system, which not only needs to bear the mass of the automobile itself, but also needs to bear the reaction force, bending moment and braking moment from the driving wheel during the driving process of the whole vehicle. The punch-welded axle is a common axle housing assembly form, which is made by punch forming the upper and lower two pieces of axle housing bodies and then performing butt welding. The single-piece axle housing body, i.e. the axle housing part before punch forming and welding, is the basic component of the axle housing assembly.

[0003] In order to ensure that the axle housing assembly meets the design and use performance requirements, it is crucial to strictly detect the geometric size, shape accuracy and surface quality of the punch-formed axle housing body in the process. Through detection, quality problems in the production process can be found and corrected in time, avoiding subsequent processing difficulties or substandard performance of finished products caused by defects, thereby improving the overall product quality and production efficiency.

[0004] The prior art has deficiencies in positioning and detecting the middle bending section of the axle housing body, such as damage to the axle housing body caused by excessive pressure during the positioning and pressing of the middle bending section. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the deficiencies of the prior art and providing a positioning detection device for the middle bending section of the axle housing body. The bottom end of the middle pressing rod is driven by the vertical pressing unit to press the top of the middle bending section of the axle housing body, and the bottom of the pipa hole of the middle bending section of the axle housing body is supported by the top end of the middle supporting rod. The pressure of the bottom end of the middle pressing rod acts on the top end of the middle supporting rod, so that the middle pressing rod can quickly press the middle section of the axle housing body, and the pressure will not cause damage to the top of the axle housing body. In addition, the middle bottom of the middle circular arc positioning block is in line with the pipa hole at the bottom of the middle bending section of the axle housing body, which can quickly position the middle bending section of the axle housing body.

[0006] In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:

[0007] The utility model discloses a positioning detection device for bridge shell body intermediate curved section, including base, intermediate positioning and vertical compression unit, the bottom of intermediate positioning and vertical compression unit is fixed in the top of base, the intermediate positioning includes intermediate pressure lever, intermediate support rod, intermediate arc locating block and intermediate support piece, the intermediate support piece is inverted "T" character shape structure, and its bottom is fixed in the top of base, and the bottom of intermediate arc locating block is fixed in the top of intermediate support piece, and the top of intermediate arc locating block is in accord with the bottom of bridge shell body intermediate curved section biwa hole, the intermediate support rod is square structure, and its bottom is passed through the middle of intermediate arc locating block and is connected with the top of intermediate support piece, and the top of intermediate support rod is in contact with the bottom of bridge shell body, and the top of intermediate pressure lever is connected with the bottom of vertical compression unit, and the bottom of intermediate pressure lever can be in contact with the top of bridge shell body.

[0008] The intermediate arc locating block includes an intermediate bottom plate, an intermediate arc front plate and an intermediate arc rear plate, the intermediate bottom plate is fixed to the top of the intermediate support piece, the bottoms of the intermediate arc front plate and the intermediate arc rear plate are respectively fixed to the top front end and the top rear end of the intermediate bottom plate, the upper surfaces of the intermediate arc front plate and the intermediate arc rear plate are in an intermediate convex arc shape structure, the bottom of the intermediate support rod is connected to the top of the intermediate support piece through the intermediate bottom plate, and the tops of the intermediate arc front plate and the intermediate arc rear plate are in contact with the front end and the rear end of the biwa hole at the bottom of the intermediate curved section of the bridge shell body.

[0009] The vertical compression unit includes a vertical cylinder, a vertical pull rod, a rotating pin, a movable lever base, a movable pull rod, a fixed block and a vertical compression fixed base, the vertical compression fixed base is fixed to the top rear side of the base, the fixed block is fixed to one side wall of the vertical compression fixed base, the cylinder body of the vertical cylinder is fixed below the rear wall of the fixed block, the top end of the piston rod of the vertical cylinder is connected with the vertical pull rod, the outer wall of the vertical pull rod is provided with the rotating pin hinged to the rear end of the movable pull rod, the top rear end of the fixed block is hinged to the bottom end of the movable lever base in a yoke shape structure, the top two side inner walls of the movable lever base are fixedly connected with the side wall rear side of the movable pull rod, and the top of the intermediate pressure lever is fixedly connected with the front end bottom of the movable pull rod.

[0010] The profile detection unit comprises a profile detection block, a movable connecting rod, a handle, a screw bolt, a movable support, a profile detection fixing base, a rotating shaft and an angle connecting piece, the bottom of the profile detection fixing base is fixed to the upper surface of the base, the angle connecting piece comprises a longitudinal plate and an inclined plate, the bottom inner wall of the longitudinal plate is fixedly connected above the outer wall of the profile detection fixing base, the bottom end of the inclined plate is connected with the top end of the longitudinal plate, the top end of the inclined plate is arranged in an inclined upward manner, the slope of the inclined plate is same as the slope of the hypotenuse of the bridge shell body, the bottom of the movable support is fixed to the upper surface of the inclined plate, the rotating shaft for being hingedly connected with the front end of the movable connecting rod is arranged between the yoke-shaped structure inner walls formed at the top of the movable support, the rear end bottom of the movable connecting rod is connected with the middle of the top of the outer wall of the profile detection block, the handle is arranged at the top rear side of the movable connecting rod, and the screw hole matched with the external thread of the screw bolt is arranged at the top rear side of the movable support.

[0011] The utility model discloses the beneficial effect lies in:

[0012] (1) the bottom end of the intermediate pressure rod is driven to be pressed tightly with the top of the intermediate curved section of the bridge shell body through the vertical pressing unit, the bottom of the pipa hole of the intermediate curved section of the bridge shell body is supported through the top end of the intermediate support rod, the pressure of the bottom end of the intermediate pressure rod acts on the top end of the intermediate support rod, so that the intermediate pressure rod can press the intermediate section of the bridge shell body quickly, and the pressure does not cause damage to the top of the bridge shell body, in addition, the middle bottom of the intermediate circular arc positioning block is matched with the pipa hole of the bottom of the intermediate curved section of the bridge shell body, and the intermediate curved section of the bridge shell body can be positioned quickly. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure schematic diagram of the positioning detection device for the intermediate curved section of the bridge shell body.

[0014] Figure 2 It is the structure schematic diagram of the intermediate positioning 400 and the vertical pressing unit 500.

[0015] Figure 3 It is the structure schematic diagram of the profile detection unit 600.

[0016] In the figure: base 100, axle housing body 200, intermediate positioning 400, vertical pressing unit 500, shape detection unit 600, vertical cylinder 8, vertical pull rod 9, rotating pin 10, movable lever seat 11, movable pull rod 12, fixed block 13, vertical pressing fixed seat 19, intermediate pressing rod 20, intermediate support rod 21, intermediate circular arc positioning block 22, intermediate support 23, shape detection block 25, movable connecting rod 26, handle 27, tightening bolt 28, movable support 29, shape detection fixed seat 30, rotating shaft 31, angle connecting piece 32, straight edge detection block 33, bevel edge detection block 34, intermediate bottom plate 221, intermediate circular arc front plate 222, intermediate circular arc rear plate 223, longitudinal plate 321, inclined plate 322. DETAILED DESCRIPTION

[0017] The utility model is further explained below by the drawings and examples:

[0018] Example: please refer to Figures 1-3 ,

[0019] The utility model discloses a positioning detection device for axle housing body intermediate curved section, like Figure 1 and 2As shown, it comprises a base 100, an intermediate positioning unit 400 and a vertical pressing unit 500, the bottom of the intermediate positioning unit 400 and the vertical pressing unit 500 is fixed to the top of the base 100, the intermediate positioning unit 400 comprises an intermediate pressing rod 20, an intermediate support rod 21, an intermediate arc positioning block 22 and an intermediate support 23, the intermediate support 23 is in inverted "T" shape structure, the bottom of which is fixed to the top of the base 100, the bottom of the intermediate arc positioning block 22 is fixed to the top of the intermediate support 23, the top of the intermediate arc positioning block 22 is in line with the bottom of the intermediate curved section of the bridge shell body 200; the bottom end of the intermediate support rod 21 is in square structure, which is connected to the top of the intermediate support 23 through the middle of the intermediate arc positioning block 22, the top end of the intermediate support rod 21 is in intermediate contact with the bottom of the bridge shell body 200; the top end of the intermediate pressing rod 20 is in square structure, which is connected to the bottom of the vertical pressing unit 500, the bottom end of the intermediate pressing rod 20 can be in tight contact with the top of the intermediate curved section of the bridge shell body 200, the bottom end of the intermediate pressing rod 20 is driven by the vertical pressing unit 500 to press the top of the intermediate curved section of the bridge shell body 200, and the bottom of the intermediate curved section of the bridge shell body 200 is supported by the top end of the intermediate support rod 21, so that the pressure of the bottom end of the intermediate pressing rod 20 acts on the top end of the intermediate support rod 21, thereby ensuring that the intermediate pressing rod 20 can quickly press the intermediate section of the bridge shell body 1, and the pressure will not damage the top of the bridge shell body 200, in addition, the middle bottom of the intermediate arc positioning block 22 is in line with the bottom of the intermediate curved section of the bridge shell body 200, which can quickly position the intermediate curved section of the bridge shell body 200.

[0020] Further, as shown in the drawings, Figure 2 The intermediate arc positioning block 22 comprises an intermediate bottom plate 221, an intermediate arc front plate 222 and an intermediate arc rear plate 223, the intermediate bottom plate 221 is fixed to the top of the intermediate support 23, the bottom of the intermediate arc front plate 222 and the intermediate arc rear plate 223 is fixed to the top front end and the top rear end of the intermediate bottom plate 221 respectively, the upper surface of the intermediate arc front plate 222 and the intermediate arc rear plate 223 is in intermediate convex arc structure, the bottom end of the intermediate support rod 21 is connected to the top of the intermediate support 23 through the intermediate bottom plate 221; the top of the intermediate arc front plate 222 and the intermediate arc rear plate 223 is in contact with the front end and the rear end of the bottom of the intermediate curved section of the bridge shell body 200, the arc surface of the top of the intermediate arc front plate 222 and the intermediate arc rear plate 223 is in line with the bottom of the bridge shell body 200, which can quickly position the intermediate curved section of the bridge shell body 200.

[0021] Further, as shown in the drawings, Figure 1 And Figure 2As shown, the vertical pressing unit 500 comprises a vertical cylinder 8, a vertical pull rod 9, a rotating pin 10, a movable lever seat 11, a movable pull rod 12, a fixed block 13 and a vertical pressing fixed seat 19 fixed to the top rear side of the base 100, the fixed block 13 is fixed to one side wall of the vertical pressing fixed seat 19, the cylinder body of the vertical cylinder 8 is fixed below the rear wall of the fixed block 13, the top end of the piston rod of the vertical cylinder 8 is connected with the vertical pull rod 9, the outer wall of the vertical pull rod 9 is provided with the rotating pin 10 hinged with the rear end of the movable pull rod 12, the top rear end of the fixed block 13 is hinged with the bottom end of the movable lever seat 11 in yoke structure, the top two side inner walls of the movable lever seat 11 are fixedly connected with the side wall rear side of the movable pull rod 12, the top of the middle pressing rod 20 is fixedly connected with the front end bottom of the movable pull rod 12, when the vertical pressing unit 500 works, the vertical cylinder 8 is started, the piston rod of the vertical cylinder 8 stretches upwards to drive the rear end of the movable pull rod 12 to move upwards, since the bottom rear side of the movable pull rod 12 is hinged with the rear end top of the fixed block 13 through the movable lever seat 11, due to the principle of lever, the front end of the movable pull rod 12 can drive the middle pressing rod 20 to move downwards, the middle top of the bridge shell body 200 or the middle top is pressed, preferably, a distance sensor is arranged at the top outer end of the fixed block 13, for measuring the distance between the top of the fixed block 13 and the bottom of the movable pull rod 12, which can detect the pressing condition of the middle top of the intermediate curved section in the vertical direction.

[0022] Further, as Figure 1 and Figure 3As shown, the appearance detection unit 600 comprises an appearance detection block 25, a movable connecting rod 26, a handle 27, a screw bolt 28, a movable support 29, an appearance detection fixing base 30, a rotating shaft 31 and an angle connecting piece 32. The bottom of the appearance detection fixing base 30 is fixed to the upper surface of the base 100. The angle connecting piece 32 comprises a longitudinal plate 321 and an inclined plate 322. The bottom inner wall of the longitudinal plate 321 is fixedly connected to the upper outer wall of the appearance detection fixing base 30. The bottom end of the inclined plate 322 is connected to the top end of the longitudinal plate 321. The top end of the inclined plate 322 is arranged in an inclined upward manner. The slope of the inclined plate 322 is the same as the slope of the hypotenuse of the axle housing body 200. The bottom of the movable support 29 is fixed to the upper surface of the inclined plate 322. The rotating shaft 31 for being hingedly connected to the front end of the movable connecting rod 26 is arranged between the yoke-shaped structure inner walls formed at the top of the movable support 29. The rear end bottom of the movable connecting rod 26 is connected to the middle of the top of the outer wall of the appearance detection block 25. The handle 27 is arranged at the top rear side of the movable connecting rod 26. The top rear side of the movable support 29 is provided with a threaded hole matched with the outer thread of the screw bolt 28. During work, the appearance detection block 25 connected to the rear end bottom of the movable connecting rod 26 can be abutted against the inclined surface of the axle housing body 200 by screwing the screw bolt 28 into the threaded hole at the top rear side of the movable support 29. Since the slope of the inclined plate 322 is the same as the slope of the hypotenuse of the axle housing body 200, the appearance detection block 25 can be attached to the inclined surface of the axle housing body 200. Preferably, a sensor arranged on the appearance detection block 25 can detect the slope and shape of the hypotenuse of the middle curved section of the axle housing body 200.

[0023] The above description is only an embodiment of the present application, and does not limit the patent range of the present application. Any equivalent transformation or direct or indirect application in related technical fields based on the content of the present application and the drawings is also included in the patent protection range of the present application.

Claims

1. A positioning detection device for the middle curved section of a bridge housing body, characterized by: It comprises a base (100), an intermediate positioning (400) and a vertical pressing unit (500), The bottom of the intermediate positioning (400) and the vertical pressing unit (500) are fixed to the top of the base (100), and the intermediate positioning (400) includes an intermediate pressure rod (20), an intermediate support rod (21), an intermediate arc positioning block (22) and an intermediate support member (23). The intermediate support member (23) is an inverted "T"-shaped structure, and its bottom is fixed to the top of the base (100). The bottom of the intermediate arc positioning block (22) is fixed to the top of the intermediate support member (23), and the top of the intermediate arc positioning block (22) is in contact with the intermediate support member (23). The middle curved section of the bridge housing body (200) is aligned with the bottom pipa hole; the middle support rod (21) is square in structure, and its bottom end passes through the middle of the middle arc positioning block (22) and is connected to the top of the middle support member (23); the top end of the middle support rod (21) is in contact with the middle of the bottom of the bridge housing body (200); the middle pressure rod (20) is square in structure, and its top end is connected to the bottom of the vertical pressing unit (500), and the bottom end of the middle pressure rod (20) can be in tight contact with the middle top of the bridge housing body (200).

2. The positioning detection device for the middle curved section of the axle housing body according to claim 1, characterized in that: The intermediate arc positioning block (22) comprises an intermediate bottom plate (221), an intermediate arc front plate (222) and an intermediate arc rear plate (223); the intermediate bottom plate (221) is fixed to the top of the intermediate support member (23); the bottoms of the intermediate arc front plate (222) and the intermediate arc rear plate (223) are respectively fixed to the top front end and the top rear end of the intermediate bottom plate (221); the upper surfaces of the intermediate arc front plate (222) and the intermediate arc rear plate (223) are in the shape of an arc with a central bulge; the bottom end of the intermediate support rod (21) passes through the intermediate bottom plate (221) and is connected to the top of the intermediate support member (23); the tops of the intermediate arc front plate (222) and the intermediate arc rear plate (223) are in contact with the front end and the rear end of the pipa hole at the bottom of the intermediate curved section of the axle housing body (200).

3. The positioning detection device for the middle curved section of the axle housing body according to claim 2, characterized in that: The vertical pressing unit (500) includes a vertical cylinder (8), a vertical pull rod (9), a rotating pin (10), a movable rod seat (11), a movable pull rod (12), a fixed block (13) and a vertical pressing fixed seat (19), wherein the vertical pressing fixed seat (19) is fixed to the top rear side of the base (100), the fixed block (13) is fixed to a side wall of the vertical pressing fixed seat (19), the cylinder body of the vertical cylinder (8) is fixed to the lower rear wall of the fixed block (13), and the vertical The top end of the piston rod of the cylinder (8) is connected to the vertical pull rod (9), and a rotating pin (10) hinged to the rear end of the movable pull rod (12) is provided above the outer wall of the vertical pull rod (9). The rear end of the top of the fixed block (13) is hinged to the bottom end of the movable rod seat (11) with a yoke-shaped structure. The inner walls on both sides of the top of the movable rod seat (11) are fixedly connected to the rear side of the side wall of the movable pull rod (12), and the top of the intermediate pressure rod (20) is fixedly connected to the bottom of the front end of the movable pull rod (12).

4. The positioning detection device for the middle curved section of the axle housing body according to claim 3, characterized in that: The device further comprises a shape detection unit (600), wherein the shape detection unit (600) comprises a shape detection block (25), a movable connecting rod (26), a handle (27), a tightening bolt (28), a movable support (29), a shape detection fixing seat (30), a rotating shaft (31) and an angle connecting member (32), wherein the bottom of the shape detection fixing seat (30) is fixed to the upper surface of the base (100), and the angle connecting member (32) comprises a longitudinal plate (321) and an inclined plate (322), wherein the bottom inner wall of the longitudinal plate (321) is fixedly connected to the upper outer wall of the shape detection fixing seat (30), the bottom end of the inclined plate (322) is connected to the top end of the longitudinal plate (321), and the angle connecting member (322) is fixedly connected to the upper outer wall of the shape detection fixing seat (30). The top of the inclined plate (322) is arranged to be inclined upward, and the slope of the inclined plate (322) is the same as the slope of the hypotenuse of the bridge housing body (200). The bottom of the movable support (29) is fixed to the upper surface of the inclined plate (322). The rotating shaft (31) for being hinged to the front end of the movable link (26) is provided between the inner walls of the yoke-shaped structure formed at the top of the movable support (29). The bottom of the rear end of the movable link (26) is connected to the middle of the top of the outer wall of the shape detection block (25). The handle (27) is provided on the rear side of the top of the movable link (26). The rear side of the top of the movable support (29) is provided with a threaded hole for matching the external thread of the tightening bolt (28).

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