CN217403404U - Crankshaft detection device - Google Patents

Abstract

The present disclosure relates to a crankshaft detection device. The crankshaft detection device comprises a lower base, a rotating mechanism, an upper base and a supporting mechanism for supporting a crankshaft, wherein the rotating mechanism is rotatably arranged between the lower base and the upper base, and the supporting mechanism is arranged on one side, far away from the lower base, of the upper base. The crankshaft detection device is convenient for an operator to detect the end faces at the two ends of the crankshaft and the hole machining state, so that defective products can be detected in time, and the defective products are prevented from flowing into the next process.

Description

Crankshaft detection device

Technical Field

The disclosure relates to the field of automobile production machining, in particular to a crankshaft detection device.

Background

Because of design problems, a workpiece is directly inspected on the upper surface of a crankshaft line final inspection station of a machining workshop of an engine part, a tray cannot transversely rotate by 360 degrees, an operator only can detect the appearances of a main diameter, a connecting rod diameter and oil seals at two ends facing the workpiece during inspection, the end surfaces at two ends and the hole machining state are inspected to be blind areas, the final inspection station cannot be effectively detected after a defective product appears in the preorder, the defective product directly flows into the assembly, and the whole machine is scrapped.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a crankshaft detection device has solved the inconvenient problem of inspection to bent axle both ends terminal surface and spot facing work state, can in time detect the defective products effectively.

In order to achieve the above object, the present disclosure provides a crankshaft detection device, including lower base, rotary mechanism, last base and the supporting mechanism who is used for supporting the crankshaft, rotary mechanism rotationally sets up lower base with between the last base, supporting mechanism sets up go up the base and keep away from one side of lower base.

Optionally, the supporting mechanism includes two supporting members disposed opposite to each other, each supporting member includes a main body portion and two supporting wheels rotatably connected to the main body portion, the main body portion is disposed on the upper base, the two supporting wheels of each supporting member are spaced apart, axes of the two supporting wheels of each supporting member are parallel to each other and to the upper base, one end of the crankshaft is supported between the two supporting wheels of one supporting member, and the other end of the crankshaft is supported between the two supporting wheels of the other supporting member.

Optionally, the main body portion includes two support plates which are oppositely disposed and mounted on the upper base, the support plates are U-shaped structures, each U-shaped structure includes a first connection end and a second connection end, one of the support wheels is rotatably disposed between the two first connection ends of the two support plates, and the other support wheel is rotatably disposed between the two second connection ends of the two support plates.

Optionally, the support wheels are made of a nylon material.

Optionally, the rotating mechanism includes a bearing and a rotating shaft, the bearing is mounted on the lower base, an axis of the bearing is perpendicular to the lower base, one end of the rotating shaft is connected to one of an outer ring or an inner ring of the bearing, and the other end of the rotating shaft is supported by the upper base.

Optionally, the crankshaft detection device further comprises a positioning mechanism, and the positioning mechanism is arranged between the lower base and the upper base and is used for positioning a tray located between the upper base and the rotating mechanism.

Optionally, the positioning mechanism includes a sleeve, an elastic member, and a positioning column, the sleeve is installed on one side of the lower base facing the upper base, the sleeve has an accommodating space with an open end at an upper end, the elastic member is disposed in the accommodating space, and the positioning column is telescopically disposed in the sleeve and located between the elastic member and the upper base;

the positioning mechanism is provided with a positioning position and a non-positioning position, when the positioning mechanism is positioned at the positioning position, the upper end of the positioning column protrudes out of the sleeve and extends into the positioning hole of the tray, and when the positioning mechanism is positioned at the non-positioning position, the upper end of the positioning column protrudes out of the sleeve and is separated from the positioning hole of the tray.

Optionally, the upper end of the sleeve has a stopping portion extending in the axial direction of the sleeve, the stopping portion is an annular structure, the open end is formed by the stopping portion, the outer peripheral surface of the positioning column has a protruding portion, the protruding portion is located in the sleeve, and the stopping portion and the protruding portion are at least partially overlapped on the upper surface of the lower base.

Optionally, the upper base is provided with a positioning portion for matching with the tray.

Optionally, the number of the positioning portions is at least two, and a connecting line of the two positioning portions and the side edge of the upper base form an included angle.

Through the technical scheme, because supporting mechanism sets up on last base, it sets up on rotary mechanism to go up the base, from this, it can rotate to go up base rotary mechanism relatively, thereby drive supporting mechanism at horizontal direction circumference rotatory, therefore, when the bent axle lay on supporting mechanism and supporting mechanism is rotatory, the bent axle just can be constantly rotatory along the horizontal direction, thereby make the different positions of bent axle constantly just to the operator, make the operator can detect bent axle both ends terminal surface and hole processing state, when the defective products appear in the bent axle, can in time detect, avoid the defective products to flow out, effectively avoid causing the complete machine to scrap.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a schematic structural diagram of a crankshaft detection device provided in an exemplary embodiment of the present disclosure;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2;

FIG. 4 is a schematic diagram of the structure of FIG. 1 from a first perspective;

FIG. 5 is a schematic diagram of the structure of FIG. 1 from a second perspective;

FIG. 6 is a cross-sectional view A-A of FIG. 5;

FIG. 7 is a schematic view of a rotating shaft provided in an exemplary embodiment of the present disclosure;

fig. 8 is a schematic structural view of a rotating shaft according to another exemplary embodiment of the present disclosure.

Description of the reference numerals

100 lower base 110 rotating mechanism

111 bearing 112 rotating shaft

1121 protrusion 1122 groove

120 positioning mechanism 121 sleeve

1211 stop portion 122 positioning post

1221 projection 123 spring

130 positioning hole of upper base 131

132 escape from the notch 141 main body

142 supporting wheel 143 supporting plate

1431 first connection end 1432 second connection end

150 pallet 151 positioning element

Detailed Description

The following detailed description of the embodiments of the disclosure refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, without being stated to the contrary, the term "up and down" refers to the orientation or position relationship of the product that is usually placed when in use, and can be understood as up and down along the gravity direction, and also corresponds to the "up and down" in the drawing; "inner and outer" refer to "inner and outer" relative to the contour of the component or structure itself. In addition, it should be noted that terms such as "first", "second", and the like are used for distinguishing one element from another, and have no order or importance.

As shown in fig. 1, 2 and 4, the present disclosure provides a crankshaft detecting device, which includes a lower base 100, a rotating mechanism 110, an upper base 130 and a supporting mechanism for supporting a crankshaft, wherein, for the convenience of placement, a connecting rod diameter portion of the crankshaft may be placed on the supporting mechanism, the rotating mechanism 110 is rotatably disposed between the lower base 100 and the upper base 130, and the supporting mechanism is disposed on a side of the upper base 130 far away from the lower base 100.

Through the technical scheme, because the supporting mechanism is arranged on the upper base 130, the upper base 130 is arranged on the rotating mechanism 110, and therefore, the upper base 130 can rotate relative to the rotating mechanism 110, so as to drive the supporting mechanism to rotate circumferentially in the horizontal direction, therefore, when the crankshaft is arranged on the supporting mechanism and the supporting mechanism rotates, the crankshaft can continuously rotate along the horizontal direction, namely, the crankshaft can rotate 360 degrees on the horizontal plane, so that different parts of the crankshaft can continuously and directly face an operator, the operator can detect the end faces and the hole processing states at two ends of the crankshaft, and when defective products appear on the crankshaft, the defective products can be detected in time, the defective products are prevented from flowing out, and the complete machine (engine) scrapping is effectively avoided.

In the embodiment of the present disclosure, as shown in fig. 1, the supporting mechanism includes two oppositely disposed supporting members, each supporting member includes a main body portion 141 and two supporting wheels 142 rotatably connected to the main body portion 141, the main body portion 141 is disposed on the upper base 130, the main body portion 141 can be fixed on the upper base 130 by bolts, the two supporting wheels 142 of each supporting member are spaced apart to avoid friction between the two adjacent supporting wheels 142, the axes of the two supporting wheels 142 of each supporting member are parallel to each other and parallel to the upper base 130, as shown in fig. 1, one end of the crankshaft is used for supporting one end of the crankshaft between the two supporting wheels 142 of one supporting member, wherein one end of the crankshaft is used for being placed at S1, the other end of the crankshaft is used for being placed at S2, it should be understood that the minimum distance between the two supporting wheels 142 is smaller than the diameter of the connecting rod, from this, the connecting rod footpath can be supported between two supporting wheels 142 by two supporting wheels 142, avoids the bent axle to fall from between two supporting wheels 142, adopts four supporting wheels 142 to support the bent axle, can also make the bent axle can rotate on vertical face, promptly, the bent axle can carry out 360 degrees rotations in vertical face to conveniently detect the different positions of bent axle.

As shown in fig. 1, further, the main body part 141 includes two supporting plates 143 disposed opposite to each other and mounted on the upper base 130, the supporting plates 143 are U-shaped, the U-shaped includes a first connecting end 1431 and a second connecting end 1432, that is, two ends of the supporting plates 143 are higher than a middle position of the supporting plates 143, one of the supporting wheels 142 is rotatably disposed between the two first connecting ends 1431 of the two supporting plates 143, and the other supporting wheel 142 is rotatably disposed between the two second connecting ends 1432 of the two supporting plates 143, specifically, one of the supporting wheels 142 is rotatably disposed between the two first connecting ends 1431, the other supporting wheel 142 is rotatably disposed between the two second connecting ends 1432, by disposing the two supporting wheels 142 between the two first connecting ends 1431 and the two second connecting ends 1432, respectively, the supporting wheels 142 can be more stable with respect to the main body part 141, that is, the support wheels 142 can be kept smooth while rotating.

In some other embodiments, the two support plates 143 may be integrally formed by using a substrate, for example, a through slot may be opened from one side of the substrate, and two support plates 143 spaced apart from each other may be formed by the through slot.

In the embodiment of the present disclosure, the supporting wheel 142 is made of a nylon material, and the supporting wheel 142 made of the nylon material is beneficial to reducing the wear on the crankshaft.

In some embodiments, the support wheel 142 may be made of other materials with elasticity, such as rubber.

In some other embodiments, the supporting wheel 142 may also be made of a metal material, and a buffer layer (e.g., rubber or foam) is disposed on the outer circumferential surface of the supporting wheel 142, so as to reduce the wear of the supporting wheel 142 on the crankshaft.

As shown in fig. 2 and 3, in the embodiment of the present disclosure, the rotating mechanism 110 includes a bearing 111 and a rotating shaft 112, the bearing 111 is mounted on the lower base 100, and an axis of the bearing 111 is perpendicular to the lower base 100, where the bearing 111 may be a ball bearing, one end of the rotating shaft 112 is connected to one of an outer ring or an inner ring of the bearing 111, and the other end of the rotating shaft 112 is supported on the upper base 130, so that when a thrust is applied to the upper base 130, the upper base 130 rotates under the action of the rotating shaft 112, thereby rotating a crankshaft on the supporting mechanism.

The connection relationship between the bearing 111 and the lower base 100 is that one of the outer ring or the inner ring of the bearing 111 is connected to the lower base 100, for example, the outer ring of the bearing 111 is fixedly connected to the lower base 100, the inner ring of the bearing 111 is not connected to the lower base 100, and the inner ring can rotate relative to the outer ring, or the outer ring of the bearing 111 is not connected to the lower base 100, and the inner ring of the bearing 111 is connected to the lower base 100. Correspondingly, when the outer ring of the bearing 111 is connected to the lower base 100, the inner ring of the bearing 111 is connected to the rotating shaft 112, and when the inner ring of the bearing 111 is connected to the lower base 100, the outer ring of the bearing 111 is connected to the rotating shaft 112. The two connection methods are different from each other in terms of the structural requirements of the rotating shaft 112, and specifically, as shown in fig. 7, when the inner ring of the bearing 111 is connected to the rotating shaft 112, an annular protrusion 1121 matched with the inner ring may be provided at one end of the rotating shaft 112 close to the lower base 100 so that the rotating shaft 112 and the outer ring of the bearing 111 do not contact each other and the rotating shaft 112 and the inner ring of the bearing 111 rotate synchronously, as shown in fig. 8, when the outer ring of the bearing 111 is connected to the rotating shaft 112, a groove 1122 for accommodating the inner ring may be provided at one end of the rotating shaft 112 close to the lower base 100 so that the inner ring of the bearing 111 does not contact the rotating shaft 112, and it should be noted that the groove 1122 may be rectangular or circular, and when the groove 1122 is circular, the outer diameter of the groove 1122 is larger than the outer diameter of the inner ring, that is, the inner ring of the bearing 111 does not contact the side wall of the groove 1122, avoiding the generation of interference.

As mentioned above, any suitable connection method may be adopted between the rotating shaft 112 and the bearing 111, and between the bearing 111 and the lower base 100, as one of them, the rotating shaft 112 and the bearing 111 may be connected by welding, clamping, or pins, and the bearing 111 and the lower base 100 may also be connected by welding, clamping, or pins.

Since the crankshaft needs to be rotated 360 degrees in the horizontal direction, so as to facilitate the inspection of the end faces at the two ends of the crankshaft, after the inspection of the previous crankshaft is completed, the upper base 130 and the supporting mechanism need to be returned to the initial positions, so as to place the next crankshaft on the supporting mechanism, therefore, the crankshaft detection apparatus further includes a positioning mechanism 120, and the positioning mechanism 120 is disposed between the lower base 100 and the upper base 130 to position the tray 150 located between the upper base 130 and the rotating mechanism 110.

As shown in fig. 3, 5 and 6, in particular, the positioning mechanism 120 includes a sleeve 121, an elastic member 123 and a positioning column 122, the sleeve 121 may be a hollow cylindrical structure or a hollow prismatic structure, at least one end of the sleeve 121 is open, when only one end of the sleeve 121 is open, the open end of the sleeve 121 is located at one end of the sleeve 121 close to the upper base 130, the sleeve 121 may also be open at both ends, the sleeve 121 is mounted on one side of the lower base 100 facing the upper base 130, the bottom of the sleeve 121 extends along the radial direction thereof to form an expansion portion, a connecting hole is provided on the expansion portion, so that the sleeve 121 may be fixed on the lower base 100 by a bolt,

in this embodiment, the sleeve 121 has an accommodating space with an open end at the upper end, the elastic element 123 is disposed in the accommodating space, and the positioning column 122 is disposed in the sleeve 121 in a retractable manner and located between the elastic element 123 and the upper base 130.

The positioning mechanism 120 has a positioning position and a non-positioning position, when the positioning mechanism 120 is located at the positioning position, the upper end of the positioning post 122 protrudes out of the sleeve 121 and extends into the positioning hole of the tray 150 (the positioning hole is located at a side of the tray 150 close to the lower base 100), and the positioning post 122 extends into the positioning hole of the tray 150, so that the rotation of the tray 150 can be limited by the positioning post 122, and further the rotation of the upper base 130 connected with the tray 150 is limited, so that the upper base 130 can be kept at the initial position, when the positioning mechanism 120 is located at the non-positioning position, the upper end of the positioning post 122 protrudes out of the sleeve 121 and is separated from the positioning hole of the tray 150, and by separating the positioning post 122 from the positioning hole of the tray 150, since the tray 150 loses the limitation of the positioning post 122 on the upper base 130, at this time, a thrust is applied to the upper base 130, so that the upper base 130 can be pushed to rotate in the horizontal direction, and further the crankshaft rotates in the horizontal direction, it can be understood that the positioning posts 122 are mounted on the elastic members 123, in other words, the elastic members 123 support the positioning posts 122, so that when the positioning posts 122 are pressed toward the lower base 100, the positioning posts 122 can compress the elastic members 123, and when no pressure is applied, the elastic members 123 are deformed.

In this embodiment, the elastic member 123 may be a spring, and since the spring has a substantially cylindrical shape, in order to prevent the spring from moving in the horizontal direction, the accommodating space of the sleeve 121 is a hollow cylinder, and the inner diameter of the accommodating space is slightly larger than the outer diameter of the spring, so that the spring is conveniently installed in the sleeve 121, and the spring is prevented from moving in the horizontal direction.

In some embodiments, the elastic member 123 may also be a rubber member, for example, a columnar structure made of rubber.

In this embodiment, in order to facilitate the spring to be loaded from any end of the sleeve 121, the sleeve 121 may be configured to have both ends open.

As shown in fig. 6, in the embodiment of the disclosure, the upper end of the sleeve 121 has a stopping portion 1211 extending in the axial direction of the sleeve 121, the stopping portion 1211 is an annular structure, the open end is formed by the stopping portion 1211, the outer peripheral surface of the positioning post 122 has a protruding portion 1221, the protruding portion 1221 is located in the sleeve 121, the stopping portion 1211 and the protruding portion 1221 are at least partially overlapped on the upper surface of the lower base 100, due to the shielding of the stopping portion 1211, the positioning post 122 cannot be separated from the sleeve 121 by the elastic force applied by the elastic member 123 to the positioning post 122, so that the positioning post 122 can be always movably connected to the sleeve 121.

The number of the protruding portions 1221 may be one, and the protruding portions 1221 may also be two in a continuous structure extending around the outer ring of the positioning column 122, and the two protruding portions 1221 are symmetrically arranged with respect to the axial direction of the positioning column 122.

As shown in fig. 2, in the embodiment of the disclosure, the upper base 130 is provided with a positioning portion 131 for matching with the tray 150, where the positioning portion 131 may be a positioning hole or a positioning element 151, when the positioning portion on the upper base 130 is a positioning hole, the tray 150 is provided with a positioning element 151 matching therewith, when the positioning portion on the upper base 130 is a positioning element 151, the tray 150 is provided with a positioning hole matching therewith, and the positioning portion of the upper base 130 is inserted into the tray 150 to match therewith, so that the tray 150 and the upper base 130 rotate synchronously.

For example, when the upper base 130 is a rectangular plate-shaped structure, the number of the positioning portions 131 may be two, three, or four, and the connection line of the two positioning portions 131 is inclined with respect to the side of the upper base 130, so that the tray 150 and the upper base 130 can be inserted and matched through the two positioning portions 131.

It should be noted that the crankshaft is conveyed through the conveying production line, the conveying production line can be conveyed by a chain mechanism, the crankshaft can be continuously conveyed through the conveying production line by placing the tray 150 bearing the crankshaft on the conveying production line, when the tray 150 is conveyed to the front of the crankshaft detection device through the conveying production line, the upper base 130 and the supporting mechanism can be moved away firstly, then the tray 150 and the crankshaft are placed on the rotating mechanism 110 and the positioning mechanism 120, so that the positioning hole of the tray 150 is matched with the positioning column 122, the crankshaft is lifted, then the upper base 130 is placed on the tray 150 and is in plug fit with the tray 150, then the crankshaft is placed on the supporting mechanism, and after the crankshaft is detected, the tray 150 and the crankshaft are placed on the conveying production line and conveyed downstream.

As shown in fig. 2, in the embodiment of the disclosure, four sides of the upper base 130 are further respectively provided with an avoiding notch 132 to avoid a conveying production line of the crankshaft.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure. It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. The utility model provides a crankshaft detection device which characterized in that, includes base, rotary mechanism, goes up the base and is used for supporting the supporting mechanism of bent axle down, rotary mechanism rotationally sets up down the base with go up between the base, supporting mechanism sets up go up the base and keep away from one side of base down.

2. The apparatus according to claim 1, wherein the supporting mechanism includes two supporting members disposed opposite to each other, each of the supporting members includes a main body portion and two supporting wheels rotatably connected to the main body portion, the main body portion is disposed on the upper base, the two supporting wheels of each of the supporting members are spaced apart, axes of the two supporting wheels of each of the supporting members are parallel to each other and to the upper base, one end of the crankshaft is supported between the two supporting wheels of one of the supporting members, and the other end of the crankshaft is supported between the two supporting wheels of the other supporting member.

3. The apparatus according to claim 2, wherein the main body includes two support plates disposed opposite to each other and mounted on the upper base, the support plates are U-shaped, the U-shaped includes a first connection end and a second connection end, one of the support wheels is rotatably disposed between the two first connection ends of the two support plates, and the other support wheel is rotatably disposed between the two second connection ends of the two support plates.

4. The crankshaft sensing arrangement of claim 2, wherein the support wheel is made of a nylon material.

5. The apparatus according to claim 1, wherein the rotating mechanism includes a bearing and a rotating shaft, the bearing is mounted on the lower base and an axis of the bearing is perpendicular to the lower base, one end of the rotating shaft is connected to one of an outer ring or an inner ring of the bearing, and the other end of the rotating shaft is supported by the upper base.

6. The crankshaft detecting device according to claim 1, further comprising a positioning mechanism disposed between the lower base and the upper base for positioning a tray located between the upper base and the rotating mechanism.

7. The crankshaft detection device according to claim 6, wherein the positioning mechanism includes a sleeve, an elastic member and a positioning post, the sleeve is mounted on a side of the lower base facing the upper base, the sleeve has an accommodating space with an open upper end, the elastic member is disposed in the accommodating space, and the positioning post is telescopically disposed in the sleeve and located between the elastic member and the upper base;

the positioning mechanism is provided with a positioning position and a non-positioning position, when the positioning mechanism is positioned at the positioning position, the upper end of the positioning column protrudes out of the sleeve and extends into the positioning hole of the tray, and when the positioning mechanism is positioned at the non-positioning position, the upper end of the positioning column protrudes out of the sleeve and is separated from the positioning hole of the tray.

8. The crankshaft detecting device according to claim 7, wherein the upper end of the sleeve has a stopper portion extending in the axial direction of the sleeve, the stopper portion has an annular structure, the open end is formed by the stopper portion, the outer circumferential surface of the positioning post has a protrusion, the protrusion is located in the sleeve, and the stopper portion and the protrusion at least partially overlap on the upper surface of the lower base.

9. The apparatus according to claim 1, wherein the upper base is provided with a positioning portion for engaging with a tray.

10. The crankshaft detection device according to claim 9, wherein the number of the positioning portions is at least two, and a connecting line of the two positioning portions forms an included angle with a side edge of the upper base.

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