A double-slot angular positioning device applied to a crankshaft dynamic balancing machine

Abstract

The utility model relates to the technical field of automobile manufacturing, concretely relates to a double -notched angular positioning device for crankshaft dynamic balancing machine, including base, steering assembly, support component and fixed component, steering assembly includes pivot, support plate, guide strip and fixed bolt, pivot is connected with base rotation, and passes through base, support plate is fixedly connected with pivot, and is located the top of pivot, the number of guide strip is two, two guide strips are fixedly connected with support plate respectively, and are located between support plate and base respectively, the number of fixed bolt is a plurality, a plurality of fixed bolts are respectively connected with support plate thread, and are respectively passed through base and guide strip, support component is connected with support plate, fixed component is connected with support component, have solved the double -notched angular positioning device for crankshaft dynamic balancing machine when using, inconveniently positioner is positioned and fixed after steering, inconveniently positioner is adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile manufacturing, especially to a double-groove angular positioning device applied to a crankshaft dynamic balancing machine. BACKGROUND

[0002] A crankshaft production line generally produces 3-6 different types of crankshafts. In the process of switching production of different types of crankshafts, the fewer the hardware changes of the dynamic balancing machine, the higher the change efficiency and processing accuracy. When producing multiple crankshafts with decreasing connecting rod neck diameters as the crank radius increases, the dynamic balancing machine needs to replace the angular positioning block, resulting in low crank dynamic balancing efficiency, large residual dynamic imbalance, and poor engine performance.

[0003] The existing publication number CN206756380U discloses a double-groove angular positioning device applied to a crankshaft dynamic balancing machine. The device includes a main body in a cross-shaped structure, including an outwardly protruding upper protrusion, a downwardly protruding lower protrusion, a leftwardly protruding left protrusion, and a rightwardly protruding right protrusion. The upper protrusion and the lower protrusion are symmetrically arranged, and the left protrusion and the right protrusion are symmetrically arranged. The upper protrusion is provided with a rectangular first groove, and the lower protrusion is provided with a rectangular second groove. The first groove and the second groove are correspondingly arranged, and both sides of the first groove and the second groove are provided with an inlay unit. The double-groove angular positioning device applied to the crankshaft dynamic balancing machine improves the change efficiency, saves 52 hours of change time per year, with 2 changes per week and 30 minutes per change.

[0004] However, the above-mentioned double-groove angular positioning device applied to the crankshaft dynamic balancing machine is inconvenient for positioning and fixing after turning, and inconvenient for adjusting the positioning device. Utility model content

[0005] The utility model aims at providing a double-groove angular positioning device applied to a crankshaft dynamic balancing machine, solving the problem of inconvenient positioning and fixing after turning and inconvenient adjustment of the positioning device.

[0006] In order to achieve the above object, the utility model provides a double -notched angular positioning device for crankshaft dynamic balancing machine, including base, steering assembly, support component and fixed component, the steering assembly includes pivot, support plate, guide strip and fixed bolt, the pivot is connected with the base rotation, and passes through the base, the support plate is fixedly connected with the pivot, and is located the top of the pivot, the number of guide strip is two, two the support plate is fixedly connected with the support plate respectively, and is located between the support plate and the base respectively, the number of fixed bolt is a plurality, a plurality of fixed bolt is respectively connected with the support plate screw thread, and is respectively through the base and the guide strip, the support component is connected with the support plate, the fixed component is connected with the support component.

[0007] Among them, the support component includes support rod and U type positioning seat, the number of support rod is a plurality, a plurality of support rod is respectively fixedly connected with the support plate, and is located the outside of the support plate, the top of each support rod is respectively detachably connected with a U type positioning seat.

[0008] Among them, the surface of the base is provided with two guide grooves, the inner part of each guide groove is provided with two fixed holes respectively, the surface of each U type positioning seat is provided with two insertion holes respectively.

[0009] Among them, the fixed component includes insertion rod, connecting plate, hinge and cover plate, the number of insertion rod is a plurality, a plurality of insertion rod is respectively connected with the U type positioning seat sliding, and is located the inside of the insertion hole respectively, the number of connecting plate is a plurality, a plurality of connecting plate is respectively fixedly connected with the insertion rod, and is located the top of the insertion rod respectively, the number of hinge is a plurality, a plurality of hinge is respectively fixedly connected with the connecting plate, and is located the top of the connecting plate respectively, the number of cover plate is a plurality, a plurality of cover plate is respectively fixedly connected with the hinge, and is located the top of the connecting plate respectively.

[0010] Among them, the fixed component further includes fixed seat, fixed plate, spring and pressing plate, the number of fixed seat is a plurality, a plurality of fixed seat is respectively fixedly connected with the U type positioning seat, and is located the outside of the U type positioning seat respectively, the number of fixed plate is a plurality, a plurality of fixed plate is respectively fixedly connected with the cover plate, and is mutually matched with the fixed seat respectively, the number of spring is a plurality, a plurality of spring is respectively fixedly connected with the cover plate, and is located the bottom of the cover plate respectively, the number of pressing plate is a plurality, a plurality of pressing plate is respectively fixedly connected with the spring, and is located the bottom of the spring respectively.

[0011] The utility model discloses a double -notched angular positioning device for crankshaft dynamic balancing machine, the base provides the support effect for device, the pivot provides the rotation effect for support plate, the support plate is used for providing the support effect for support component and fixed component, the guide strip provides the support and guide effect for support plate, through the fixed bolt is convenient for the position of support plate is fixed, when needing to turn to positioning device, take off the fixed bolt, make support plate can follow pivot along guide strip rotation, it is convenient for the reversing of support component and fixed component, after reversing is completed, again the fixed bolt is inserted into fixed hole, it is convenient for the position of support plate is fixed, avoid when using support plate sway, the dynamic balance of crankshaft is deviated, solved the double -notched angular positioning device for crankshaft dynamic balancing machine when using, inconvenient for the positioning and fixed of positioning device after reversing, inconvenient for the adjustment of positioning device problem. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below.

[0013] Figure 1 It is the whole structure schematic diagram of the double -notched angular positioning device for crankshaft dynamic balancing machine of the first embodiment of the utility model.

[0014] Figure 2 It is the structure schematic diagram of the reversing assembly of the first embodiment of the utility model.

[0015] Figure 3 It is the structure schematic diagram of the base and support component of the first embodiment of the utility model.

[0016] Figure 4 It is the structure schematic diagram of the fixed component of the first embodiment of the utility model.

[0017] In the drawing: 101-base, 102-pivot, 103-support plate, 104-guide strip, 105-fixed bolt, 106-support rod, 107-U type positioning seat, 108-guide slot, 109-fixed hole, 110-socket, 111-inserting rod, 112-connection plate, 113-hinge, 114-cover plate, 115-fixed seat, 116-fixed plate, 117-spring, 118-pressing plate. DETAILED DESCRIPTION

[0018] The embodiments of the utility model will be described in detail below, the examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and can not be understood as the limitation of the utility model.

[0019] The first embodiment of the present application is:

[0020] Please refer to Figures 1 to 4 , wherein, Figure 1 is the overall structure diagram of the double-groove angular positioning device applied to the crankshaft dynamic balancing machine of the first embodiment of the present application, Figure 2 is the structure diagram of the steering assembly of the first embodiment of the present application, Figure 3 is the structure diagram of the base and the supporting assembly of the first embodiment of the present application, Figure 4 is the structure diagram of the fixing assembly of the first embodiment of the present application, the present application provides a double-groove angular positioning device applied to a crankshaft dynamic balancing machine, which comprises a base 101, a steering assembly, a supporting assembly and a fixing assembly, the steering assembly comprises a rotating shaft 102, a supporting plate 103, a guide strip 104 and a fixing bolt 105, the supporting assembly comprises a supporting rod 106 and a U-shaped positioning seat 107, and the fixing assembly comprises a plug rod 111, a connecting plate 112, a hinge 113, a cover plate 114, a fixing seat 115, a fixing plate 116, a spring 117 and a pressing plate 118; the foregoing scheme solves the problems that the double-groove angular positioning device applied to the crankshaft dynamic balancing machine is inconvenient to position and fix after steering and inconvenient to adjust the positioning device during use.

[0021] For this specific embodiment, the rotating shaft 102 is rotatably connected with the base 101 and penetrates through the base 101, the support plate 103 is fixedly connected with the rotating shaft 102 and located at the top of the rotating shaft 102, the number of the guide bars 104 is two, the two guide bars 104 are respectively fixedly connected with the support plate 103 and respectively located between the support plate 103 and the base 101, the number of the fixing bolts 105 is multiple, the multiple fixing bolts 105 are respectively threadedly connected with the support plate 103 and respectively penetrate through the base 101 and the guide bars 104, the support assembly is connected with the support plate 103, the fixing assembly is connected with the support assembly, the base 101 provides support for the device, the rotating shaft 102 provides rotation for the support plate 103, the support plate 103 is used for providing support for the support assembly and the fixing assembly, the guide bars 104 provide support and guidance for the support plate 103, the position of the support plate 103 is fixed through the fixing bolts 105, when it is needed to turn the positioning device, the fixing bolts 105 are removed, so that the support plate 103 can rotate along the guide bars 104 following the rotating shaft 102, the support assembly and the fixing assembly are reversed, after the reversing is completed, the fixing bolts 105 are inserted into the fixing holes 109, so as to fix the position of the support plate 103, avoiding that the support plate 103 shakes and the dynamic balance of the crankshaft deviates when in use.

[0022] Wherein, the number of the support rods 106 is multiple, the multiple support rods 106 are respectively fixedly connected with the support plate 103 and respectively located at the outer side of the support plate 103, the top of each support rod 106 is detachably connected with a U-shaped positioning seat 107, the support rod 106 provides support for the U-shaped positioning seat 107, the U-shaped positioning seat 107 is used for positioning the crankshaft of the engine, when the U-shaped positioning seat 107 on one side is used, the U-shaped positioning seat 107 on the other side can be replaced according to the requirements of the next batch of crankshaft processing, so that the crankshaft can be positioned only by reversing the support plate 103 when the next batch of crankshafts is processed, which greatly reduces the time for positioning different crankshafts.

[0023] Secondly, the surface of the base 101 is provided with two guide grooves 108, the inner part of each guide groove 108 is respectively provided with two fixing holes 109, the surface of each U-shaped positioning seat 107 is respectively provided with two insertion holes 110, the guide groove 108 cooperates with the guide strip 104, so as to facilitate the limiting of the support plate 103, avoid the deviation of the support plate 103 when reversing, the fixing hole 109 cooperates with the fixing bolt 105, so as to facilitate the fixing of the support plate 103 after reversing adjustment, avoid the deviation of the support plate 103 when positioning, cause the error of the dynamic balance of the crankshaft.

[0024] Thirdly, the number of the insertion rods 111 is multiple, multiple insertion rods 111 are respectively connected with the U-shaped positioning seat 107 in a sliding mode, and are respectively located inside the insertion holes 110, the number of the connecting plates 112 is multiple, multiple connecting plates 112 are respectively fixedly connected with the insertion rods 111, and are respectively located on the top of the insertion rods 111, the number of the hinges 113 is multiple, multiple hinges 113 are respectively fixedly connected with the connecting plates 112, and are respectively located on the top of the connecting plates 112, the number of the cover plates 114 is multiple, multiple cover plates 114 are respectively fixedly connected with the hinges 113, and are respectively located on the top of the connecting plates 112, the insertion rods 111 provide support for the connecting plates 112, the connecting plates 112 provide support for the hinges 113 and the cover plates 114, the hinges 113 provide support and rotation for the cover plates 114, and the cover plates 114 cover the top of the U-shaped positioning seat 107.

[0025] Finally, the number of the fixing seat 115 is multiple, multiple fixing seat 115 is fixedly connected with the U-shaped positioning seat 107 respectively, and is located outside the U-shaped positioning seat 107 respectively, the number of the fixing plate 116 is multiple, multiple fixing plate 116 is fixedly connected with the cover plate 114 respectively, and is matched with the fixing seat 115 respectively, the number of the spring 117 is multiple, multiple spring 117 is fixedly connected with the cover plate 114 respectively, and is located at the bottom of the cover plate 114, the number of the pressing plate 118 is multiple, multiple pressing plate 118 is fixedly connected with the spring 117 respectively, and is located at the bottom of the spring 117, the fixing seat 115 is used for fixing the position of the fixing plate 116, the fixing plate 116 is matched with the fixing seat 115, the position of the cover plate 114 is fixed conveniently, the spring 117 provides support and elasticity for the pressing plate 118, when the crankshaft is positioned, the both ends of the crankshaft are placed in the inside of the U-shaped positioning seat 107, then the fixing assembly is inserted into the U-shaped positioning seat 107 along the inserting rod 111, the cover plate 114 is covered on the top of the U-shaped positioning seat 107 through the rotation of the hinge 113, the position of the cover plate 114 is fixed conveniently through the cooperation of the fixing plate 116 and the fixing seat 115, the crankshaft is pressed in the inside of the U-shaped positioning seat 107 through the spring 117 and the pressing plate 118, so that the crankshaft is prevented from deviating when dynamic balance.

[0026] The double-groove angular positioning device for the crankshaft dynamic balancing machine is used in the embodiment. The base 101 provides support for the device. The rotating shaft 102 provides rotation for the support plate 103. The support plate 103 provides support for the support assembly and the fixing assembly. The guide strip 104 provides support and guidance for the support plate 103. The fixing screw 105 is used to fix the position of the support plate 103. When the direction of the positioning device needs to be changed, the fixing screw 105 is removed, so that the support plate 103 can rotate along the guide strip 104 following the rotating shaft 102. The support assembly and the fixing assembly can be changed in direction. After the change in direction is completed, the fixing screw 105 is inserted into the fixing hole 109, so that the position of the support plate 103 is fixed. The support plate 103 is prevented from shaking during use, and the dynamic balance of the crankshaft is prevented from being deviated. The problem that the double-groove angular positioning device for the crankshaft dynamic balancing machine is inconvenient to change direction, fix position and adjust after the direction is changed during use is solved.

[0027] The above disclosure only shows one or more preferred embodiments of the present application, and cannot limit the scope of the present application. Those skilled in the art can understand that the implementation of all or part of the above processes, and the equivalent changes made according to the claims of the present application, still belong to the scope covered by the present application.

Claims

1. A double-groove angular positioning device applied to a crankshaft dynamic balancing machine, comprising a base, characterized in that, it further comprises a turning assembly, a supporting assembly and a fixing assembly; the turning assembly comprises a rotating shaft, a supporting plate, two guide bars and a plurality of fixing bolts, the rotating shaft is rotatably connected with the base and penetrates through the base, the supporting plate is fixedly connected with the rotating shaft and located at the top of the rotating shaft, the two guide bars are fixedly connected with the supporting plate respectively and located between the supporting plate and the base, the plurality of fixing bolts are threadedly connected with the supporting plate respectively and penetrate through the base and the guide bars respectively, the supporting assembly is connected with the supporting plate, and the fixing assembly is connected with the supporting assembly.

2. The double-groove angular positioning device applied to the crankshaft dynamic balancing machine according to claim 1, characterized in that, the supporting assembly comprises a plurality of supporting rods and a plurality of U-shaped positioning seats, the plurality of supporting rods are fixedly connected with the supporting plate respectively and located outside the supporting plate, and the top of each supporting rod is detachably connected with one U-shaped positioning seat.

3. The double-groove angular positioning device applied to the crankshaft dynamic balancing machine according to claim 2, characterized in that, the surface of the base is provided with two guide grooves, the inner part of each guide groove is provided with two fixing holes respectively, and the surface of each U-shaped positioning seat is provided with two insertion holes respectively.

4. The double-groove angular positioning device applied to the crankshaft dynamic balancing machine according to claim 3, characterized in that, the fixing assembly comprises a plurality of insertion rods, a plurality of connecting plates, a plurality of hinges and a plurality of cover plates, the plurality of insertion rods are slidably connected with the U-shaped positioning seats respectively and located inside the insertion holes, the plurality of connecting plates are fixedly connected with the insertion rods respectively and located at the top of the insertion rods, the plurality of hinges are fixedly connected with the connecting plates respectively and located at the top of the connecting plates, and the plurality of cover plates are fixedly connected with the hinges respectively and located at the top of the connecting plates.

5. The double-groove angular positioning device applied to the crankshaft dynamic balancing machine according to claim 4, characterized in that, the fixing assembly further comprises a plurality of fixing seats, a plurality of fixing plates, a plurality of springs and a plurality of pressing plates, the plurality of fixing seats are fixedly connected with the U-shaped positioning seats respectively and located outside the U-shaped positioning seats, the plurality of fixing plates are fixedly connected with the cover plates respectively and matched with the fixing seats, the plurality of springs are fixedly connected with the cover plates respectively and located at the bottom of the cover plates, and the plurality of pressing plates are fixedly connected with the springs respectively and located at the bottom of the springs.

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