CN218396846U

CN218396846U - Diesel engine valve collet assembly fixture

Info

Publication number: CN218396846U
Application number: CN202222679387.0U
Authority: CN
Inventors: 吴岳峰; 吴晓骏; 尹小飞
Original assignee: SHANGHAI KAIXUN ENGINE CO Ltd
Current assignee: SHANGHAI KAIXUN ENGINE CO Ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-01-31
Anticipated expiration: 2032-10-12

Abstract

The utility model relates to the technical field of diesel engines, in particular to a diesel engine valve collet assembly fixture, which comprises a base and a support frame arranged on one side of the upper surface of the base, wherein a positioning assembly mechanism is arranged on one side surface of the support frame, and a bearing mechanism for positioning an engine cylinder body is arranged on the upper side surface of the base; positioning assembly device includes the cylinder, the piston rod one end of cylinder sets up the sleeve, set up the locating lever in the sleeve, locating lever one end sets up toper magnetic adsorption head, the equidistance sets up positioning channel section on the toper magnetic adsorption head surface, a side surface sets up reset spring in the sleeve, reset spring one end is connected with the locating lever. The utility model discloses can fix a position valve spring gland and valve collet, improve the precision when assembling, and can advance line location and lateral shifting fast to the engine cylinder body, the assembly of multiunit valve collet of being convenient for.

Description

Diesel engine valve collet assembly fixture

Technical Field

The utility model relates to a diesel engine technical field especially relates to a diesel engine valve collet assembly fixture.

Background

The valve is used for specially inputting air into the engine and discharging combusted waste gas, and is divided into an inlet valve and an exhaust valve from the structure of the engine, wherein the inlet valve is used for sucking air into the engine and mixing the air with fuel for combustion; the exhaust valve is used for discharging combusted waste gas and dissipating heat, and a valve lock clamp is required to be assembled in the production of an engine.

For example, the chinese patent CN204321528U discloses an engine valve collet assembling tool, which includes an outer pressing head body, a pressing assembly disposed inside the outer pressing head body, the pressing assembly elastically fitted with the outer pressing head body, and a positioning and centering assembly elastically connected with the pressing assembly in an axial direction and used for positioning and centering with a valve during press fitting. The utility model discloses compare in prior art and improved the pressure equipment qualification rate greatly, and then improve product quality, but it can't carry out the accurate positioning to valve spring gland and valve collet in assembling process, influences the installation accuracy of valve collet, has reduced the installation effectiveness, and it can't fix a position fixedly to the cylinder body of engine, is difficult for removing the engine cylinder body simultaneously, is not convenient for install multiunit valve collet.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems existing in the background technology, the utility model provides a diesel engine valve collet assembly fixture, which comprises a base and a support frame arranged on one side of the upper surface of the base, wherein a positioning assembly mechanism is arranged on one side surface of the support frame, and a bearing mechanism for positioning an engine cylinder body is arranged on the upper side surface of the base;

positioning assembly device includes the cylinder, the piston rod one end of cylinder sets up the sleeve, set up the locating lever in the sleeve, locating lever one end sets up toper magnet adsorption head, the equidistance sets up positioning groove on the toper magnet adsorption head surface, a side surface sets up reset spring in the sleeve, reset spring one end is connected with the locating lever.

In a specific embodiment, the two sides of the outer surface of the positioning rod are symmetrically provided with guide blocks, one end of each guide block is arranged in a guide groove in a sliding mode, and the guide grooves are formed in two sides of the inner wall of the sleeve.

In a specific embodiment, the bearing mechanism includes a bearing platform, the bearing platform is arranged on the upper side surface of the base, one side of the upper surface of the bearing platform is provided with a positioning plate, the other side of the upper surface of the bearing platform is provided with a vertical plate, the middle part of the vertical plate is provided with a threaded hole, a positioning screw rod is rotationally arranged in the threaded hole, and one end of the positioning screw rod is provided with a hand wheel.

In one specific embodiment, the other end of the positioning screw is provided with a pressure plate.

In a specific embodiment, a nut is arranged at the bottom of the bearing platform, one end of the nut is connected with a transverse screw rod, the transverse screw rod is rotatably arranged in an installation groove, and the installation groove is arranged on the upper portion of the base.

In one embodiment, one end of the transverse screw rod is connected with a driving shaft of a driving motor, and the driving motor is arranged on one side surface of the base.

In one embodiment, the driving motor is electrically connected to the external control switch through a connection wire.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a setting of cylinder, locating lever, toper magnetic adsorption head, reset spring and positioning channel section can adsorb the location with valve spring gland and valve collet, can't aim at the valve tip fast in assembling process, influences the accuracy nature in the assembling process.

2. The utility model discloses a bearing mechanism's setting can advance line location fast to the engine cylinder body, can carry out lateral shifting to the engine cylinder body simultaneously, and the assembly of multiunit valve collet in the engine cylinder body of being convenient for improves assembly efficiency.

Drawings

Fig. 1 is a schematic structural view of a diesel engine valve collet assembly fixture of an embodiment.

Fig. 2 is a schematic sectional structure view of a positioning and assembling mechanism in a diesel engine valve collet assembling tool in a front view.

Fig. 3 is a partially enlarged structural view of a portion a of fig. 2.

Fig. 4 is a schematic view of a part of the enlarged structure at B of fig. 2.

Fig. 5 is a schematic structural view of a front cross section of a bearing mechanism in a diesel engine valve collet assembly tool.

Detailed Description

In the description of the present invention, it should be understood that the terms "central", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that a device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting to the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first", "second", may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected or detachably connected or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply mean that the first feature is at a higher level than the second feature. A first feature being "under", "beneath" and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "up," "down," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The embodiments of the present invention will be further explained with reference to the drawings. It should be understood by those skilled in the art that the described embodiments of the present invention are merely exemplary embodiments. Embodiments of the present application are described below with reference to the drawings.

As shown in fig. 1 to 4, the present embodiment provides a diesel engine valve collet assembling tool, which includes a base 4 and a supporting frame 2 disposed on one side of an upper surface of the base 4, wherein a positioning and assembling mechanism 1 is disposed on one side surface of the supporting frame 2.

The positioning and assembling mechanism 1 comprises an air cylinder 11, a sleeve 12 is arranged at one end of a piston rod of the air cylinder 11, a positioning rod 16 is arranged in the sleeve 12, a conical magnetic adsorption head 15 is arranged at one end of the positioning rod 16, positioning clamping grooves 14 are equidistantly arranged on the outer surface of the conical magnetic adsorption head 15, a return spring 13 is arranged on the surface of one side in the sleeve 12, and one end of the return spring 13 is connected with the positioning rod 16.

In this embodiment, at first go into the valve collet 6 card in the positioning channel section 14, toper magnetic adsorption head 15 adsorbs valve collet 6 simultaneously, and adsorb valve spring gland 5, then drive sleeve 12 downstream through cylinder 11, sleeve 12 drives locating lever 16 downstream, locating lever 16 drives valve spring gland 5 downstream, locating lever 16 and valve tip laminating back, along with cylinder 11 continues the extension, locating lever 16 removes and compresses reset spring 13 in sleeve 12, sleeve 12 and the laminating of valve spring gland 5, and drive valve spring gland 5 downstream, gas spring gland compression valve spring, drive valve collet 6 downstream simultaneously, and then install valve collet 6 in the draw-in groove of valve tip, accomplish the assembly of valve hasp.

The two sides of the outer surface of the positioning rod 16 are symmetrically provided with guide blocks 17, one end of each guide block 17 is slidably arranged in a guide groove 18, the guide grooves 18 are formed in the two sides of the inner wall of the sleeve 12, and the positioning rod 16 moves to drive the guide blocks 17 to move in the guide grooves 18, so that the guidance of the positioning rod 16 during movement is improved.

In an embodiment, as shown in fig. 5, the engine cylinder block positioning device further includes a bearing mechanism 3, the engine cylinder block can be positioned and fixed, so that the situation that the engine cylinder block is deviated in the assembling process is avoided, the bearing mechanism 3 for positioning the engine cylinder block is arranged on the upper side surface of the base 4, the bearing mechanism 3 includes a bearing table 310, the bearing table 310 is arranged on the upper side surface of the base 4, a positioning plate 301 is arranged on one side of the upper surface of the bearing table 310, a vertical plate 304 is arranged on the other side of the upper surface of the bearing table 310, a threaded hole is arranged in the middle of the vertical plate 304, a positioning screw 303 is rotatably arranged in the threaded hole, and a hand wheel 305 is arranged at one end of the positioning screw 303.

In this embodiment, one end of the engine cylinder is abutted to the positioning plate 301, and then the handwheel 305 is rotated, the handwheel 305 drives the positioning screw 303 to rotate, the positioning screw 303 rotates and moves, and after the positioning screw 303 is attached to the other end of the engine cylinder, the positioning screw 303 positions and fixes the engine cylinder.

The other end of the positioning screw 303 is provided with the pressure plate 302, the positioning screw 303 moves to drive the pressure plate 302 to move, the pressure plate 302 is attached to the engine cylinder body, the attachment area of the positioning screw 303 and the engine cylinder body is increased, and the stability of fixing the engine cylinder body is further improved.

As shown in fig. 5, the utility model provides a diesel engine valve collet assembly fixture, still include screw 309, plummer 310 bottom sets up screw 309, screw 309 one end is connected with horizontal lead screw 307, horizontal lead screw 307 rotates and sets up in mounting groove 308, mounting groove 308 sets up on base 4 to the side, horizontal lead screw 307 one end is connected with driving motor 306's actuating shaft, driving motor 306 sets up at 4 side surfaces of base, driving motor 306 passes through connecting wire and external control switch electric connection. The diesel engine valve collet assembly fixture of this structure can carry out the translation to the engine cylinder body, the installation of the different positions valve collet 6 of being convenient for.

In this embodiment, after a set of valve locking clamps 6 is assembled, the driving motor 306 drives the transverse screw rod 307 to rotate, the transverse screw rod 307 drives the screw 309 to move, the screw 309 drives the bearing table 310 to move, and the bearing table 310 drives the engine cylinder to move, so as to install the valve locking clamps 6 at different positions.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A diesel engine valve collet assembly fixture comprises a base and a support frame arranged on one side of the upper surface of the base, and is characterized in that a positioning assembly mechanism is arranged on the surface of one side of the support frame, and a bearing mechanism for positioning an engine cylinder body is arranged on the upper side surface of the base;

2. The assembly fixture for the valve collet of the diesel engine according to claim 1, wherein the positioning rod is symmetrically provided with guide blocks on two sides of the outer surface thereof, one end of each guide block is slidably arranged in a guide groove, and the guide grooves are formed in two sides of the inner wall of the sleeve.

3. The assembly fixture for the valve collet of the diesel engine according to claim 1, wherein the bearing mechanism comprises a bearing table, the bearing table is arranged on the upper side surface of the base, a positioning plate is arranged on one side of the upper surface of the bearing table, a vertical plate is arranged on the other side of the upper surface of the bearing table, a threaded hole is formed in the middle of the vertical plate, a positioning screw rod is rotatably arranged in the threaded hole, and a hand wheel is arranged at one end of the positioning screw rod.

4. The assembly tool for the valve collet of the diesel engine as set forth in claim 3, wherein a pressure plate is provided at the other end of the positioning screw.

5. The assembly fixture for the valve collet of the diesel engine according to claim 3, wherein a nut is arranged at the bottom of the bearing table, one end of the nut is connected with a transverse screw rod, the transverse screw rod is rotatably arranged in an installation groove, and the installation groove is arranged at the upper part of the base.

6. The assembly tool for the valve collet of the diesel engine as claimed in claim 5, wherein one end of the transverse screw rod is connected with a driving shaft of a driving motor, and the driving motor is arranged on one side surface of the base.

7. The assembly tool for the valve collet of the diesel engine as set forth in claim 6, wherein the driving motor is electrically connected to an external control switch through a connecting wire.