CN214770431U

CN214770431U - Clamp for precisely boring crankshaft hole of cylinder body

Info

Publication number: CN214770431U
Application number: CN202023211519.4U
Authority: CN
Inventors: 胡久菊
Original assignee: Chongqing Zhongyingxi Technology Co ltd
Current assignee: Chongqing Zhongyingxi Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-19
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses an anchor clamps for finish boring cylinder body bent axle hole, including base, angle connecting seat, supporting mechanism, elevating system and fixture, the upper surface of base is wedge through the cross-section angle connecting seat with supporting mechanism's bottom links to each other, just the axis of base with supporting mechanism's axis has certain contained angle supporting mechanism's bottom is provided with elevating system the left and right sides of supporting mechanism is provided with stop gear supporting mechanism's top be provided with elevating system matched with fixture. The remarkable effects are as follows: the positioning and clamping process of the cylinder body is simple and convenient, the clamping of the cylinder body is firmer, and the influence on the product quality caused by the displacement of the cylinder body during processing is effectively avoided.

Description

Clamp for precisely boring crankshaft hole of cylinder body

Technical Field

The utility model relates to engine cylinder block processing technology field, concretely relates to anchor clamps that are used for smart boring cylinder block bent axle hole.

Background

The automobile engine cylinder body is generally manufactured by adopting a die-casting process. The cylinder body obtained by opening the die from the die-casting die is subjected to further processing, such as rough milling, finish milling of each assembly surface, finish boring of a crankshaft hole, a PCD hole and the like.

Prior art is when processing bent axle hole, generally is manual with the cylinder body from the outside clamping, then compresses tightly the cylinder body with 2 round hole clamp plates, and reuse spanner is clockwise screwed up 2 nuts in order to fix the cylinder body completely, has a great deal of problem: 1. the clamping of the automobile engine cylinder is time-consuming and labor-consuming; 2. the clamping is not firm enough, and the cylinder body is easy to displace in the processing process, so that the product quality is influenced; 3. by adopting the processing mode, the cycle is long and the occupied equipment is large. Obviously, this results in large capital investment and resource consumption for the enterprise, places a heavy burden on the enterprise, and limits the processing and production scale of the engine.

Disclosure of Invention

The utility model aims at providing a not enough to prior art, the utility model aims at providing an anchor clamps for smart boring cylinder body bent axle hole, this clamping is convenient, firm, can raise the efficiency, guarantees product quality.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a anchor clamps for finish boring cylinder body bent axle hole which the key lies in: including base, angle connecting seat, supporting mechanism, elevating system and fixture, the upper surface of base is wedge through the cross-section the angle connecting seat with supporting mechanism's bottom links to each other, just the axis of base with supporting mechanism's axis has certain contained angle supporting mechanism's bottom is provided with elevating system the left and right sides of supporting mechanism is provided with stop gear supporting mechanism's top be provided with elevating system matched with fixture.

Furthermore, the two sides of the angle connecting seat are connected with the base through connecting blocks, and limit stop blocks are arranged on the lower side and the two adjacent sides of the angle connecting seat.

Furthermore, the inclination angle of the upper surface of the angle connecting seat is 15-20 degrees.

Further, stop gear includes a backplate, a plurality of side spacing strip, a plurality of horizontal support jar and a plurality of vertical support jar, horizontal support jar is located with vertical support jar supporting mechanism's homonymy and with the backplate branch is located double-phase offside, and is a plurality of the spacing strip of side is located supporting mechanism's other both sides.

Furthermore, elevating system includes lift cylinder the top of lift cylinder is connected with the lift tray be provided with a plurality of conducting bars side by side on the lift tray the rear end of lift tray is provided with the back stopper.

Furthermore, four top angles of the lifting tray are connected with the angle connecting seat through guide structures.

Furthermore, the clamping mechanism comprises a positioning pin group, equal-height cushion blocks, a crankshaft hole guide assembly, a positioning adjustment assembly, an air tightness detection assembly and a pressing assembly.

Furthermore, the supporting mechanism comprises a bottom plate, vertical plates and a top plate, wherein four top corners of the bottom plate are respectively connected with the top plate through the vertical plates, rib plates are further arranged beside the vertical plates, the bottom plate is provided with the lifting mechanism, the vertical plates are provided with the limiting mechanisms, and the lower surface of the top plate is provided with the clamping mechanism.

The utility model discloses a show the effect and be:

1. the angle connecting seat is arranged, so that the top end face of the cylinder body is displaced from the plane, the plane is further conveniently utilized for positioning and clamping, time and labor are saved during clamping, and the clamping efficiency is improved;

2. through elevating system and fixture cooperate, carry out the coarse positioning through stop gear on arranging elevating system with the cylinder body work piece earlier, then carry out accurate positioning and press from both sides tight fixed through fixture behind the jacking cylinder body to can enough make the location clamping process of cylinder body simpler and more convenient, still make the clamping of cylinder body more firm, effectively avoided the cylinder body to appear the displacement when adding man-hour and influence product quality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a rear view of the present invention;

fig. 5 is a top view of the present invention;

FIG. 6 is a schematic structural view of the support mechanism;

FIG. 7 is a schematic structural view of the clamping mechanism;

FIG. 8 is a floor plan view of the clamping mechanism;

fig. 9 is a schematic view of the processing state of the present invention.

Detailed Description

The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.

As shown in fig. 1-8, a fixture for precisely boring a crankshaft hole of a cylinder body comprises a base 1, an angle connecting seat 2, a supporting mechanism 3, a lifting mechanism 4 and a clamping mechanism 5, wherein the upper surface of the base 1 is connected with the bottom of the supporting mechanism 3 through the angle connecting seat 2 with a wedge-shaped cross section, the inclination angle of the upper surface of the angle connecting seat 2 is 15-20 degrees, a certain included angle is formed between the central axis of the base 1 and the central axis of the supporting mechanism 3, the lifting mechanism 4 is arranged at the bottom of the supporting mechanism 3, limiting mechanisms 6 are arranged on the left side and the right side of the supporting mechanism 3, and the clamping mechanism 5 matched with the lifting mechanism 4 is arranged at the top of the supporting mechanism 3.

In this example, two sides of the angle connecting base 2 are connected to the base 1 through connecting blocks 21, limit stoppers 22 are disposed on a lower side of the angle connecting base 2 and two adjacent sides of the lower side, and the limit stoppers 22 are used for limiting the supporting mechanism 3 so as to connect and fix the supporting mechanism 3 and the angle connecting base 2.

As shown in fig. 6, the supporting mechanism 3 includes a bottom plate 31, a vertical plate 32, and a top plate 33, four top corners of the bottom plate 31 are respectively connected to the top plate 33 through the vertical plate 32, a rib plate 34 is further disposed beside the vertical plate 32, the lifting mechanism 4 is disposed on the bottom plate 31, the limiting mechanism 6 is disposed on the vertical plate 32, and the clamping mechanism 5 is disposed on a lower surface of the top plate 33.

Specifically, stop gear 6 includes a backplate 61, a plurality of side spacing 62, a plurality of horizontal support jar 63 and a plurality of vertical support jar 64, horizontal support jar 63 locates with vertical support jar 64 the front side of supporting mechanism 3, backplate 61 locates the rear side of supporting mechanism 3, two spacing 62 of side is located the left side inner wall of supporting mechanism 3, a spacing 62 is located the right side inner wall of supporting mechanism 3 carries on spacingly, supports through foretell backplate 61, spacing 62 and horizontal support jar 63 and vertical support jar 64 in order to carry out the cylinder body at the clamping in-process, plays the effect of coarse positioning, carries out the location clamping after making things convenient for elevating system 4 to jack, will help improving clamping efficiency.

In this example, the lifting mechanism 4 includes a lifting cylinder 41, a lifting tray 42 is connected to the top of the lifting cylinder 41, a plurality of guide strips 43 are arranged on the lifting tray 42 side by side, the guide strips 43 are arranged along the front-back direction of the lifting tray 42, a rear limiting block 44 is arranged at the rear end of the lifting tray 42, four top corners of the lifting tray 42 are further connected with the angle connecting base 2 through guide structures 45, a cylinder body is supported on the guide strips 43 before clamping, then the cylinder body is pushed into the fixture and then limited through the rear limiting block 44, and then the cylinder body is limited and positioned by the limiting mechanism 6 in a matching manner.

Preferably, the clamping mechanism 5 includes a positioning pin set, an equal-height pad 53, a crank hole guide assembly 54, a positioning adjustment assembly 55, an air tightness detection assembly 56 and a pressing assembly 57, wherein a prismatic positioning pin 51 and a circular positioning pin 52 are respectively disposed at the front and rear sides of the top plate 33, the prismatic positioning pin 51 and the circular positioning pin 52 form the positioning pin set, two opposite pressing assemblies 57, an air tightness detection assembly 56, a crank hole guide assembly 54 and an equal-height pad 53 matching with the pressing assemblies 57 are respectively disposed at the front side of the top plate 33 near the prismatic positioning pin 51, two air tightness detection assemblies 56 and a positioning adjustment assembly 55 are disposed at the middle portion of the top plate 33, and an air tightness detection assembly 56, an equal-height pad 53 are respectively disposed at the rear side of the top plate 33 near the circular positioning pin 52, A crankshaft bore guide assembly 54, a positioning adjustment assembly 55, and a hold-down assembly 57.

During clamping, the locating pin group and the crankshaft hole guiding assembly 54 are formed by the prismatic locating pin 51 and the circular locating pin 52 to locate the tool body, then the position of the cylinder body is finely adjusted by the locating adjusting assembly 55, then the cylinder body is compressed and fixed by the compressing assembly 57, finally the airtightness detection is carried out by the airtightness detecting assembly 56, and the crankshaft hole fine boring processing can be carried out after the airtightness detection is passed.

The upper surface of the supporting mechanism 3 is also provided with components such as an oil supply device 7, an oil supply pipeline 8 and a regulating valve 9 arranged on the oil supply pipeline, and the oil supply device 7 is communicated with the lifting oil cylinder, the transverse/longitudinal supporting cylinder, the pressing component, the oil cylinder of the positioning and adjusting component 55 and the like through the oil supply pipeline 8.

As shown in fig. 9, the angle connecting seat 2 is arranged, so that the top end surface of the cylinder body is displaced from a plane, and the plane is further conveniently utilized for positioning and clamping, the clamping time is more time-saving and labor-saving, and the clamping efficiency is improved; through elevating system 4 cooperatees with fixture 5, carries out the coarse positioning through stop gear 6 on arranging elevating system 4 with the cylinder body work piece earlier, then carries out accurate positioning and presss from both sides tight fixedly through fixture 5 behind the jacking cylinder body to can enough make the location clamping process of cylinder body simpler and more convenient, still make the clamping of cylinder body more firm, effectively avoided the cylinder body to appear the displacement when adding man-hour and influence product quality.

The technical scheme provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a anchor clamps for finish boring cylinder body bent axle hole which characterized in that: including base, angle connecting seat, supporting mechanism, elevating system and fixture, the upper surface of base is wedge through the cross-section the angle connecting seat with supporting mechanism's bottom links to each other, just the axis of base with supporting mechanism's axis has certain contained angle supporting mechanism's bottom is provided with elevating system the left and right sides of supporting mechanism is provided with stop gear supporting mechanism's top be provided with elevating system matched with fixture.

2. The clamp for finely boring a crankshaft bore of a cylinder block of claim 1, wherein: the two sides of the angle connecting seat are connected with the base through connecting blocks, and limit stop blocks are arranged on the lower side and the adjacent two sides of the angle connecting seat.

3. The clamp for finely boring a crankshaft bore of a cylinder block of claim 2, wherein: the inclination angle of the upper surface of the angle connecting seat is 15-20 degrees.

4. The clamp for finely boring a crankshaft bore of a cylinder block of claim 1, wherein: stop gear includes a backplate, a plurality of side spacing, a plurality of horizontal support jar and a plurality of vertical support jar, horizontal support jar is located with vertical support jar supporting mechanism's homonymy and with the backplate divides locates double-phase offside, and is a plurality of the spacing branch of side is located supporting mechanism's other both sides.

5. The clamp for finely boring a crankshaft bore of a cylinder block of claim 1, wherein: the lifting mechanism comprises a lifting oil cylinder, a lifting tray is connected to the top of the lifting oil cylinder, a plurality of guide strips are arranged on the lifting tray side by side, and a rear limiting block is arranged at the rear end of the lifting tray.

6. The clamp for finely boring a crankshaft bore of a cylinder block of claim 5, wherein: four apex angles of the lifting tray are connected with the angle connecting seat through guide structures.

7. The clamp for finely boring a crankshaft bore of a cylinder block of claim 1, wherein: the clamping mechanism comprises a locating pin group, equal-height cushion blocks, a crankshaft hole guide assembly, a locating adjustment assembly, an air tightness detection assembly and a pressing assembly.

8. The clamp for finely boring the crankshaft hole of the cylinder block according to any one of claims 1 to 7, wherein: the supporting mechanism comprises a bottom plate, vertical plates and a top plate, wherein four top corners of the bottom plate are respectively connected with the top plate through the vertical plates, rib plates are further arranged beside the vertical plates, the lifting mechanism is arranged on the bottom plate, the limiting mechanism is arranged on the vertical plates, and the clamping mechanism is arranged on the lower surface of the top plate.