CN111687467A - Cylinder cap water pipe demolishs device - Google Patents

Abstract

The invention discloses a cylinder cover water pipe dismantling device which comprises a guide base body and a moving cutter, wherein the guide base body is positioned and clamped on a cylinder cover, and the positions of the guide base body and the cylinder cover are relatively fixed and unchanged; the guide base body plays a role in guiding, the motion cutter moves linearly under the guidance of the guide base body, and the motion cutter moves into or out of the water pipe sleeve linearly; the moving direction of the moving cutter is parallel to the axial direction of the water feeding pipe; when the cutter is moved along the axial direction of the water feeding pipe, the pipe wall of the water feeding pipe is cut, so that the pipe wall is broken along the axial direction, and the broken water feeding pipe can be easily taken down. According to the cylinder cover water pipe dismantling device, the moving cutter is enabled to axially cut the water feeding pipe through the guide base, the water feeding pipe can be accurately axially cut off, the purpose of fast taking out is achieved, damage to a cylinder wall is effectively reduced, and the operation is safer.

Description

Cylinder cap water pipe demolishs device

Technical Field

The invention relates to the technical field of engine manufacturing, in particular to a cylinder cover water pipe dismantling device.

Background

As shown in fig. 1, which is a partial cross-sectional structure diagram of a cylinder cover, a water passage hole 01 is formed in the cylinder cover, a step surface 02 is arranged in the water passage hole 01, a water feeding pipe part is assembled in the water passage hole 01, the water pipe is in interference fit with the water passage hole, and the water feeding pipe is in contact with the step surface 02 for limiting.

In the automatic press fitting process of assembly line equipment, because equipment trouble or material defect, the condition of material reversal or too deep deformation of impressing often can appear in the upper hose of automatic impressing, needs artifical the dismantlement. However, the hole is small, and the outer diameter of the water feeding pipe is large, so that the water feeding pipe assembled at the bottom of the hole can not be taken out easily. Meanwhile, the step is arranged at the bottom of the hole, so that the water feeding pipe cannot be detached through the pin puller detaching tool.

The traditional dismantling mode is forcibly reworked by grinding, carving and smashing and other destructive modes. The traditional method for disassembling the water feeding pipe by manual brute force has the following defects:

1. the reworking efficiency is low, the hardness and the plasticity of the material of the water feeding pipe are good, the disassembly usually requires 6 to 8 hours to disassemble one water feeding pipe, 6 water feeding pipes are installed on one cylinder cover, and if the 6 water feeding pipes are reworked, one water feeding pipe can be completed in 4 to 6 days;

2. the quality risk is big: under the brute force knocking, the force and the precision are not well controlled, the hole wall and the surface sealing part can be injured by crashing for a long time, the risk of workpiece leakage is caused, the workpiece is easy to damage, and the product is ineffective;

3. potential safety hazards exist; the time consumption is long in the manual reworking process, and the safety risk that the hand slides and is injured by smashing due to fatigue easily occurs in the hammering process;

for those skilled in the art, how to safely and efficiently remove the water supply pipe installed on the cylinder cover is a technical problem to be solved at present.

Disclosure of Invention

The invention provides a device for removing a water pipe of a cylinder cover, which can quickly and efficiently cut off a water feeding pipe arranged in the cylinder cover, does not damage the cylinder wall and is safe to operate, and the specific scheme is as follows:

a cylinder cover water pipe dismantling device comprises a guide base body and a moving cutter, wherein the guide base body is positioned and clamped on a cylinder cover;

the moving cutter is guided by the guide base body to move into or out of the water pipe sleeve along a straight line, and the moving direction of the moving cutter is parallel to the axial direction of the water feeding pipe;

and the moving cutter cuts the pipe wall of the upper water pipe when moving along the axial direction of the upper water pipe.

Optionally, the guide base has an outer diameter smaller than the inner diameter of the water feed pipe and is capable of extending into the water feed pipe.

Optionally, the guide base body is provided with an installation channel eccentrically along the axial direction, and the motion cutter can be inserted into the installation channel to move along the axial direction.

Optionally, the installation channel is an arc-shaped channel with a side surface communicated with the outside.

Optionally, a guide chute is axially arranged on the guide base body;

the outer surface of the movement cutter is convexly provided with a guide sliding block, and the guide sliding block can be clamped into the guide sliding groove to be matched with the guide sliding.

Optionally, an adjusting shim is sleeved on the guide sliding block and used for adjusting the depth of the moving cutter for cutting the upper water pipe.

Optionally, a stroke limiting block is detachably and fixedly arranged on the guide chute, and the stroke limiting block is used for limiting the limit position of the downward movement of the movement cutter.

Optionally, the cross section of the guide chute is T-shaped, and the stroke limiting block is square and is screwed and pressed on the guide chute by a bolt.

Optionally, the mounting channel is disposed at a lower portion of the guide base, and the guide chute is disposed at an upper portion of the guide base.

Optionally, a positioning bump is protruded out of the guide base body, and the positioning bump can be adjusted in position along the axial direction and can be clamped on the upper surface of the cylinder cover to limit the insertion depth of the guide base body.

The invention provides a cylinder cover water pipe dismantling device which comprises a guide base body and a moving cutter, wherein the guide base body is positioned and clamped on a cylinder cover, and the positions of the guide base body and the cylinder cover are relatively fixed and unchanged; the guide base body plays a role in guiding, the motion cutter moves linearly under the guidance of the guide base body, and the motion cutter moves into or out of the water pipe sleeve linearly; the moving direction of the moving cutter is parallel to the axial direction of the water feeding pipe; when the cutter is moved along the axial direction of the water feeding pipe, the pipe wall of the water feeding pipe is cut, so that the pipe wall is broken along the axial direction, and the broken water feeding pipe can be easily taken down. According to the cylinder cover water pipe dismantling device, the moving cutter is enabled to axially cut the water feeding pipe through the guide base, the water feeding pipe can be accurately axially cut off, the purpose of fast taking out is achieved, damage to a cylinder wall is effectively reduced, and the operation is safer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a partial cross-sectional view of a cylinder head;

FIG. 2 is a schematic structural view of a cylinder head water pipe dismantling device provided by the invention;

FIGS. 3A and 3B are front sectional and side sectional views, respectively, of a guide base;

FIG. 4 is a schematic view of a moving cutter;

FIGS. 5A and 5B are a front view structural view and a top view structural view, respectively, of the guide base inserted into the water supply pipe;

FIGS. 6A and 6B are front structural views of the moving cutter outside and inserted into the water supply pipe, respectively;

FIG. 6C is a top view of the assembly of the moving cutter with the mounting channel;

FIG. 7A is a schematic view of the milling head cutting a slit in the water supply pipe;

fig. 7B is a schematic diagram of the cutter head cutting two slits in the water feeding pipe.

The figure includes:

the guide device comprises a guide base body 1, a mounting channel 11, a guide chute 12, a stroke limiting block 13, a positioning bump 14, a moving cutter 2, a guide sliding block 21 and an adjusting gasket 22.

Detailed Description

The core of the invention is to provide a device for removing a water pipe of a cylinder cover, which can quickly and efficiently cut off a water supply pipe arranged in the cylinder cover, does not damage the cylinder wall and is safe to operate.

In order to make the technical solution of the present invention better understood by those skilled in the art, the following will describe the cylinder head water pipe removing device in detail with reference to the accompanying drawings and the specific embodiments.

As shown in fig. 2, it is a schematic structural diagram of a cylinder head water pipe dismantling device provided by the present invention; the cylinder cover water pipe removing device comprises a guide base body 1 and a moving cutter 2, wherein the moving direction of the moving cutter 2 is shown by an arrow in figure 1. The water passage holes in the cylinder cover are generally vertically arranged, so that the device is generally vertically used, namely in the direction shown in fig. 2.

The guide base body 1 is positioned and clamped on the cylinder cover, and the guide base body 1 and the cylinder cover are kept relatively static; the moving cutter 2 is guided by the guide base body 1 to move into or out of the water pipe sleeve along a straight line, and the moving direction of the moving cutter 2 is parallel to the axial direction of the water feeding pipe; the motion cutterbar 2 is guided by the direction base member 1 and moves along the straight line, can stretch into the inside of upper hose, and its cutting head can contact with the pipe wall of upper hose when motion cutterbar 2 stretches into the upper hose, cuts the pipe wall of upper hose, because the motion direction of motion cutterbar 2 is the same with the axial of upper hose, can cut out along axial joint-cutting on the upper hose when motion cutterbar 2. When the water supply pipe in the water channel hole is cut off in the interference fit mode, the water supply pipe is not in interference fit with the water channel hole any more, and the water supply pipe can be taken out easily.

According to the cylinder cover water pipe dismantling device, the moving cutter 2 is used for axially cutting the water feeding pipe through the guide base 1, the water feeding pipe can be accurately and axially cut off, the purpose of fast taking out is achieved, compared with the traditional dismantling mode of manually polishing, chiseling and smashing, damage to a cylinder wall can be effectively reduced, and the operation is safer.

On the basis of the scheme, the invention provides a preferable technical scheme, the periphery of the guide base body 1 is columnar, the outer diameter of the guide base body is smaller than the inner diameter of the water feeding pipe and can extend into the water feeding pipe, the guide base body 1 can slide in the water feeding pipe, the depth of the guide base body inserted into a cylinder cover can be adjusted, and the guide base body and the cylinder cover are relatively positioned by limiting the axial insertion depth.

As shown in fig. 3A and 3B, an elevation sectional view and a side sectional view of the guide base 1, respectively; the guide base body 1 is provided with an installation channel 11 eccentrically along the axial direction, the cross section of the installation channel 11 is the same as the shape of the moving cutter 2, the installation channel is generally cylindrical, and the moving cutter 2 can be inserted into the installation channel 11 to move along the axial direction. The mounting channel 11 is eccentrically located and can be adjacent one of the side walls to facilitate cutting of the water supply line.

As shown in fig. 3B, in the present invention, the installation channel 11 is an arc channel whose side surface is communicated with the outside, the installation channel 11 is not a complete cylinder but a part of the cylinder, both ends of the installation channel 11 are through in the axial direction, and the side wall is also communicated with the outside, so that the moving cutter 2 can be contacted with the water supply pipe for cutting.

In order to ensure that the moving cutter 2 accurately moves along a straight line, the invention arranges a guide chute 12 on a guide base body 1 along the axial direction, wherein the guide chute 12 is a long straight line groove with a small opening and a big bottom; as shown in fig. 4, it is a schematic view of the structure of the moving cutter 2; the outer surface of the moving cutter 2 is convexly provided with a guide slide block 21, and the guide slide block 21 can be clamped into the guide chute 12 to be matched with the guide slide. The moving cutter 2 shown in the figure is provided with two guide sliders 21, and the two guide sliders 21 are arranged in a straight line so that the moving cutter 2 is kept parallel to the guide chute 12.

Preferably, the adjusting shim 22 is sleeved on the guide sliding block 21, the adjusting shim 22 is in contact with the moving cutter 2 and the guide chute 12, and the adjusting shim 22 is used for adjusting the depth of the moving cutter 2 for cutting the water feeding pipe; the larger the thickness of the adjusting shim 22 is, the larger the size of the moving cutter 2 protruding outwards is, the deeper the thickness of the cut water supply pipe is, and the adjusting shim 22 can be applied to cutting water supply pipes with different thicknesses.

The guide chute 12 and the guide slider 21 are arranged to cooperate with each other for guiding, so that the outer surface of the moving cutter 2 does not contact with the installation channel 11, the cross section of the moving cutter 2 is smaller than that of the installation channel 11, and the moving cutter 2 can move in the installation channel 11 with a small amplitude perpendicular to the axial direction.

Preferably, the guide chute 12 is detachably and fixedly provided with the stroke limiting block 13, the stroke limiting block 13 is used for limiting the limit position of the downward movement of the movement cutter 2, the movement cutter 2 cannot move downwards continuously when moving from top to bottom and contacting the stroke limiting block 13, and the position of the stroke limiting block 13 is reasonably set to prevent the movement cutter 2 from contacting with the step surface in the water channel hole.

Preferably, the cross section of the guide chute 12 of the present invention is T-shaped, having two sections with abrupt width changes, forming a step, with a smaller width at the slot mouth and a larger width at the slot bottom. The stroke limiting block 13 is square, the width of the stroke limiting block 13 is larger than the width of the notch of the guide chute 12, and the stroke limiting block cannot move out of the notch of the guide chute 12 and can only move in and out of the two ends of the guide chute 12 in the length direction. The stroke limiting block 13 is provided with a threaded hole in a through mode, a bolt is installed in the threaded hole and is screwed and pressed on the guide sliding groove 12 through the bolt, the tightness of the bolt is controlled to change the state of the stroke limiting block 13, and fixation or loosening is achieved, so that the position of the stroke limiting block 13 can be adjusted conveniently.

In addition to the T-shaped cross section, the guide chute 12 may also have a trapezoidal cross section, and these embodiments are all included in the scope of the present invention.

As shown in fig. 3A, the installation channel 11 of the present invention is disposed at the lower portion of the guiding base 1, i.e., the left portion of fig. 3A, and the guiding runner 12 is disposed at the upper portion of the guiding base 1, i.e., the right portion of fig. 3A, the installation channel 11 is surrounded by a crescent-shaped structure, and the guiding runner 12 at the upper portion may be in a column shape or the like, and the cross-sectional area of the upper portion is smaller than that of the lower portion.

On the basis of any one technical scheme and the mutual combination of the technical schemes, the positioning bump 14 is convexly arranged outside the guide base body 1, and the positioning bump 14 can be clamped on the upper surface of a cylinder cover and used for limiting the insertion depth of the guide base body 1 and positioning the whole guide base body 1; the positioning lug 14 can be adjusted in position along the axial direction, and can be realized by arranging a sliding groove structure on the guide base body 1 so as to be conveniently applied to cylinder covers with different sizes.

As shown in fig. 5A and 5B, a front view structural view and a plan view structural view of the guide base 1 inserted into the water supply pipe are shown, respectively; when the guide base body is used, the lower part of the guide base body 1 is inserted into a water feeding pipe arranged on a cylinder cover, and the positioning convex block 14 is clamped on the upper surface of the cylinder cover for positioning.

As shown in fig. 6A and 6B, which are front view structural views of the moving cutter 2 outside and inserted into the water supply pipe, respectively; FIG. 6C is a top view of the assembly of the moving cutter 2 with the mounting channel 11; the moving cutter 2 is guided by the guide chute 12, moves from top to bottom into the water feeding pipe, and cuts the water feeding pipe in the process of moving along the axial direction.

Specifically, the moving cutter 2 in the present invention can use an air milling pen, and the end milling head cuts the water feeding pipe, as shown in fig. 7A, it is a schematic diagram of the milling head cutting a cut along the water feeding pipe; FIG. 7B is a schematic view of the cutter head cutting two slits in the water supply pipe; if the cutting is still difficult to take out once, the 180-degree cutting can be rotated for the second time, and the water feeding pipe is cut into two independent parts, so that the water feeding pipe is more convenient to take out.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The cylinder cover water pipe dismantling device is characterized by comprising a guide base body (1) and a moving cutter (2), wherein the guide base body (1) is positioned and clamped on a cylinder cover;

the moving cutter (2) is guided by the guide base body (1) to move into or out of the water pipe sleeve along a straight line, and the moving direction of the moving cutter (2) is parallel to the axial direction of the water feeding pipe;

and the moving cutter (2) cuts the pipe wall of the upper water pipe when moving along the axial direction of the upper water pipe.

2. The cylinder head water pipe removing device according to claim 1, wherein the outer diameter of the guide base body (1) is smaller than the inner diameter of the water supply pipe, and can extend into the water supply pipe.

3. The cylinder head water pipe removing device according to claim 2, characterized in that a mounting channel (11) is eccentrically arranged in the axial direction on the guide base body (1), and the moving cutter (2) can be inserted into the mounting channel (11) to move in the axial direction.

4. The cylinder head water pipe removing device according to claim 3, wherein the mounting passage (11) is an arc-shaped passage having a side surface communicating with the outside.

5. The cylinder head water pipe removing device according to claim 3, characterized in that a guide chute (12) is axially arranged on the guide base body (1);

the outer surface of the moving cutter (2) is convexly provided with a guide sliding block (21), and the guide sliding block (21) can be clamped into the guide sliding groove (12) to be matched with the guide sliding groove for guiding sliding.

6. The cylinder head water pipe removing device according to claim 5, characterized in that an adjusting gasket (22) is sleeved on the guide sliding block (21), and the adjusting gasket (22) is used for adjusting the depth of the moving cutter (2) for cutting the water pipe.

7. The cylinder head water pipe removing device according to claim 5, characterized in that a travel limiting block (13) is detachably and fixedly arranged on the guide chute (12), and the travel limiting block (13) is used for limiting the limit position of the downward movement of the moving cutter (2).

8. The cylinder head water pipe removing device according to claim 7, characterized in that the cross section of the guide chute (12) is T-shaped, and the stroke limiting block (13) is in a square block shape and is screwed on the guide chute (12) by a bolt.

9. The cylinder head water pipe removal device according to claim 5, characterized in that the mounting channel (11) is provided at a lower portion of the guide base body (1), and the guide runner (12) is provided at an upper portion of the guide base body (1).

10. The cylinder head water pipe removing device according to any one of claims 1 to 9, characterized in that a positioning lug (14) is convexly arranged on the outer part of the guide base body (1), and the positioning lug (14) can be axially adjusted in position and can be clamped on the upper surface of a cylinder head for limiting the insertion depth of the guide base body (1).

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