CN220881464U - Diesel engine cylinder end adds clamping apparatus - Google Patents

Abstract

The utility model relates to a diesel engine cylinder head machining clamp which comprises a bottom plate, wherein the bottom plate is provided with a guide rod, the guide rod is provided with a moving platform, a steering assembly is arranged on the moving platform and comprises a rotating platform, a rotating limiting piece, a driving piece and a limiting assembly, the rotating limiting piece is arranged between the driving piece and the rotating platform, the driving piece drives the rotating platform to rotate unidirectionally, the rotating platform is arranged on the moving platform, the limiting assembly is arranged between the rotating platform and the moving platform, the driving piece is provided with a toothed ring, the toothed part is arranged on the bottom plate and is parallel to the guide rod in a linear way, the length of the toothed part is smaller than that of the guide rod, and the toothed ring is correspondingly arranged with the toothed part. The processing clamp for the cylinder head of the diesel engine can realize the adjustment of the processing direction of a workpiece, can realize rotation in the moving process of a moving platform, is convenient to operate and reduces the use of a power source.

Description

Diesel engine cylinder end adds clamping apparatus

Technical Field

The utility model relates to diesel engine cylinder end processing equipment, in particular to a diesel engine cylinder end processing clamp.

Background

The diesel engine cylinder head is installed on the upper surface of the cylinder body, seals the cylinder from the upper part and forms a combustion chamber. It is often in contact with high temperature, high pressure gas and is therefore subjected to significant thermal and mechanical loads. When the cylinder head is drilled, cleaned and other processing procedures, the cylinder head is required to be clamped and positioned by a clamp. For example, patent publication number CN206998316U discloses a gantry vertical clamp for processing a cylinder head of a diesel engine, and positioning of the cylinder head can be completed through one clamping. In the conventional cylinder head, if the other surface needs to be machined during machining, the cylinder head needs to be rotated, and a rotating structure such as a rotating cylinder is usually arranged below the clamp. However, when the processing head is located at the side, the cylinder head is close to the processing head, and the direct rotation collides with the processing head and needs to be rotated after being far away from the processing head, so that a rotary power source and a linear driving power source are required to be arranged, the power sources are usually motors or cylinders, and the two power sources lead to control complexity and higher cost.

Disclosure of utility model

The utility model provides a diesel engine cylinder head machining clamp which can facilitate the direction conversion of a workpiece and is convenient to use.

The specific technical scheme is as follows: the utility model provides a diesel engine cylinder end adds clamping apparatus, includes the bottom plate, and the bottom plate is equipped with the guide bar, the guide bar is equipped with moving platform, the last steering assembly that is equipped with of moving platform, steering assembly include rotary platform, and rotary limiting piece, driving piece and spacing subassembly, set up rotary limiting piece between driving piece and the rotary platform, the driving piece drives rotary platform unidirectional rotation, and rotary platform sets up on moving platform, and spacing subassembly sets up between rotary platform and moving platform, the driving piece has the ring gear, be equipped with tooth portion on the bottom plate, tooth portion is along the alignment and be on a parallel with the guide bar, and the length of tooth portion is less than the guide bar, the ring gear corresponds the setting with tooth portion.

In some embodiments, the limiting assembly comprises a limiting ball, a spring and a positioning piece, wherein the positioning piece is arranged in a mounting hole of the moving platform, one end of the spring abuts against the positioning piece, the other end abuts against the limiting ball, and the limiting ball is arranged corresponding to a limiting groove of the rotating platform.

In some embodiments, the rotary platform has two limit slots disposed opposite each other.

In some embodiments, limiting plates are arranged at two ends of the bottom plate, and the guide rod is arranged between the limiting plates.

In some embodiments, the rotation limiter comprises a bearing, the rotation platform has an extension, the extension passes through the movement platform and is sleeved on the bearing, and the driver is sleeved on the extension.

In some embodiments, a connecting rod is provided on the mobile platform, and the connecting rod is connected with the driving assembly.

In some embodiments, the driving assembly comprises a rotating wheel and a gear, the rotating wheel and the gear are coaxially arranged, the bottom plate is provided with a guide hole, a plurality of guide holes are arranged along the direction of the guide rod, and the gear is correspondingly arranged with the guide hole.

In some embodiments, the drive assembly includes a drive cylinder connected with the connecting rod and a guide coupled with the guide rail of the base plate.

The utility model has the technical effects that: the processing clamp for the cylinder head of the diesel engine can realize the adjustment of the processing direction of a workpiece, can realize rotation in the moving process of a moving platform, is convenient to operate and reduces the use of a power source.

Drawings

Fig. 1 is a schematic view of a diesel engine cylinder head machining fixture according to an embodiment of the present utility model.

Fig. 2 is an exploded view of a steering assembly of an embodiment of the present utility model.

FIG. 3 is a schematic diagram of a drive assembly according to an embodiment of the present utility model.

Fig. 4 is a schematic view of a drive assembly according to another embodiment of the present utility model.

Detailed Description

The essential features and advantages of the utility model will be further elucidated with reference to the examples, without however being limited to the embodiments listed.

As shown in fig. 1 to 3, a diesel engine cylinder head processing clamp of this embodiment includes a bottom plate 1, the bottom plate 1 is provided with a guide rod 2, the guide rod 2 is provided with a moving platform 3, the moving platform 3 can slide along the guide rod 2, a clamp 10 is arranged on the moving platform 3 for clamping the diesel engine cylinder head, and a processing head 20 is arranged on the side surface of the moving platform 3 for processing. The mobile platform 3 is provided with a steering assembly 4, the steering assembly 4 comprises a rotary platform 41, a rotary limiting piece 42, a driving piece 43 and a limiting assembly 44, the rotary limiting piece 42 is arranged between the driving piece 43 and the rotary platform 41, the driving piece 43 drives the rotary platform 41 to rotate unidirectionally, and the rotary limiting piece 42 of the embodiment adopts an overrunning clutch. The rotary table 41 is disposed on the moving table 3, so that the moving table 3 can drive the rotary table 41 to slide. The limiting assembly 44 is disposed between the rotary platform 41 and the moving platform 3, and is used for positioning the rotary platform 41 after rotation. The driving member 43 has a toothed ring 431, the base plate 1 is provided with teeth 5, the teeth 5 are arranged along a straight line and parallel to the guide rod 2, the length of the teeth 5 is smaller than that of the guide rod 2, and the toothed ring 431 is arranged corresponding to the teeth 5. In the above technical solution, during processing, the moving platform 3 slides along the guide rod 2, so that the workpiece approaches the processing head 20 for processing. When the workpiece is required to change direction, the workpiece moves to the moving platform 3 in a direction away from the processing head, when the toothed ring 431 of the driving piece 43 is meshed with the tooth part 5, the toothed ring 431 drives the rotating platform 41 to rotate, and when the moving platform 3 is at the bottom, the rotating platform rotates 180 degrees. The movable platform 3 is then brought close to the processing head 20, and the rotation restriction member 42 restricts the rotation of the rotatable platform in the reverse direction, so that the driving member 43 idles and does not drive the rotatable platform. Through the technical scheme, the adjustment of the machining direction of the workpiece can be realized, and the rotation can be realized in the moving process of the moving platform, so that the operation is convenient.

In this embodiment, the limiting assembly 44 includes a limiting ball 441, a spring 442 and a positioning member 443, wherein the positioning member 443 is disposed in the mounting hole 31 of the moving platform 3, one end of the spring 442 abuts against the positioning member 443, the other end abuts against the limiting ball 441, and the limiting ball 441 is disposed corresponding to the limiting slot 411 of the rotating platform 41. When rotating, the limit ball 441 is separated from the limit slot 411, and after rotating in place, the spring 442 pushes the limit ball 441 into the other limit slot 411. The rotary table 41 has two limiting slots 411 provided opposite to each other, so that the rotary table can be positioned after being rotated 180 °. Limiting plates 11 are arranged at two ends of the bottom plate 1, the guide rods 2 are arranged between the limiting plates 11, and the two guide rods 2 are arranged in parallel. The rotation limiting member 42 includes a bearing 6, the rotation platform 41 has an extension portion 412, the extension portion 412 passes through the moving platform 3 and is sleeved on the bearing 6, and the driving member 43 is sleeved on the extension portion 412. In this embodiment, the bearing 6 includes a first bearing 61 and a second bearing 62, the first bearing 61 is disposed in the middle through hole of the moving platform, the second bearing 62 is located below the first bearing 61, the extension portion passes through the first and second bearings and then is fixed by the collar 7, and the driving member 43 is sleeved outside the second bearing 62. The movable platform 3 is provided with a connecting rod 7, the connecting rod 7 is connected with a driving assembly 8, and the driving assembly 8 drives the movable platform 3 to slide through the connecting rod 7.

In this embodiment, the driving assembly 8 includes a rotating wheel 81 and a gear 82, the rotating wheel 81 and the gear 82 are coaxially disposed, the base plate 1 is provided with guide holes 12, a plurality of guide holes 12 are disposed along the direction of the guide rod 2, and the gear 82 is disposed corresponding to the guide holes 12. In the above technical scheme, through rotating the runner 81, can drive gear 82 rotation, the tooth card on the gear 82 goes into in the guiding hole 12, drives moving platform 3 through connecting rod 7 and removes.

As shown in fig. 4, as another embodiment, the driving assembly 8 includes a driving cylinder 83 and a guiding portion 84, the driving cylinder 83 is connected with the connecting rod 7, and the guiding portion 84 is matched with the guide rail 13 of the bottom plate 1, so that the driving cylinder 83 drives the connecting rod 7 to move, and guiding and supporting are performed through the guiding portion 84.

The processing direction adjustment of work piece can be realized to the diesel engine cylinder end adds clamping apparatus of this embodiment, can realize rotatory in moving platform's removal in-process, convenient operation, and the cost is lower.

It should be noted that the foregoing description of the preferred embodiments is merely illustrative of the technical concept and features of the present utility model, and is not intended to limit the scope of the utility model, as long as the scope of the utility model is defined by the claims and their equivalents. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims (8)

1. The utility model provides a diesel engine cylinder end adds clamping apparatus, includes the bottom plate, and the bottom plate is equipped with the guide bar, and the guide bar is equipped with moving platform, its characterized in that, moving platform is last to be equipped with steering assembly, and steering assembly includes rotary platform, rotatory restriction piece, driving piece and spacing subassembly, set up rotatory restriction piece between driving piece and the rotary platform, the driving piece drives rotary platform unidirectional rotation, and rotary platform sets up on moving platform, and spacing subassembly sets up between rotary platform and moving platform, the driving piece has the ring gear, be equipped with tooth portion on the bottom plate, tooth portion is along linear arrangement and be on a parallel with the guide bar, and the length of tooth portion is less than the guide bar, the ring gear corresponds the setting with tooth portion.

2. The diesel engine cylinder end machining fixture according to claim 1, wherein the limiting assembly comprises a limiting ball, a spring and a positioning piece, the positioning piece is arranged in a mounting hole of the moving platform, one end of the spring abuts against the positioning piece, the other end abuts against the limiting ball, and the limiting ball is arranged corresponding to a limiting groove of the rotating platform.

3. The diesel engine cylinder head machining fixture of claim 2, wherein the rotary platform has two limiting grooves disposed opposite each other.

4. The diesel engine cylinder end machining fixture according to claim 1, wherein limiting plates are arranged at two ends of the bottom plate, and the guide rod is arranged between the limiting plates.

5. The diesel engine cylinder head machining fixture of claim 1, wherein the rotation limiting member comprises a bearing, the rotation platform has an extension portion, the extension portion passes through the movement platform and is sleeved on the bearing, and the driving member is sleeved on the extension portion.

6. The diesel engine cylinder end machining fixture according to claim 1, wherein the movable platform is provided with a connecting rod, and the connecting rod is connected with the driving assembly.

7. The diesel engine cylinder end machining fixture according to claim 6, wherein the driving assembly comprises a rotating wheel and a gear, the rotating wheel and the gear are coaxially arranged, the bottom plate is provided with a guide hole, a plurality of guide holes are arranged along the direction of the guide rod, and the gear is arranged corresponding to the guide hole.

8. The diesel engine cylinder head machining jig of claim 6, wherein the driving assembly includes a driving cylinder connected with the connecting rod and a guide portion coupled with the guide rail of the bottom plate.