CN210030807U

CN210030807U - Engine crankshaft quenching device

Info

Publication number: CN210030807U
Application number: CN201920833651.7U
Authority: CN
Inventors: 朱志华
Original assignee: Huanyu Automobile Components And Parts Co Ltd Jingzhou
Current assignee: Huanyu Automobile Components And Parts Co Ltd Jingzhou
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-02-07
Anticipated expiration: 2029-06-04

Abstract

The utility model relates to an engine crankshaft quenching device, which comprises a quenching tank, wherein a quenching net rack is arranged in the quenching tank, the quenching net rack comprises a mounting ring and a supporting net connected on the inner ring wall of the mounting ring, the outer ring wall of the mounting ring is also connected with a guide component, and the guide component can be embedded into a guide groove arranged on the inner wall of the quenching tank and can move up and down in the guide groove; the quenching device is characterized by further comprising a driving cylinder arranged outside the quenching tank, and the driving cylinder is connected with the quenching net rack through an inverted U-shaped connecting rod so as to realize the up-and-down movement of the quenching net rack. The utility model discloses can not take place to rock at work piece submergence in-process, the braced net can not block the quenching liquid and walk simultaneously, has avoided the work piece to drop the difficult problem appearance that takes out effectively.

Description

Engine crankshaft quenching device

Technical Field

The utility model relates to an engine crankshaft processing equipment technical field especially relates to an engine crankshaft guenching unit.

Background

The engine crankshaft needs to be quenched in the machining process, and the quenching operation is generally carried out in a quenching tank.

In the prior art, a workpiece (namely, an engine crankshaft) is clamped by a clamp, and then the clamped workpiece and the workpiece are sent into a quenching tank together for quenching. Because the mass of the workpiece is large, the workpiece and the clamp are inevitably not shaken in the immersion process of the quenching tank, so that the workpiece is easily separated from the clamp in the shaking process, and then directly falls into the quenching tank and is not easy to take out.

In view of the above, it is desirable to provide a novel quenching apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art, providing an engine crankshaft quenching device, solving the problem that the workpiece is easy to separate from the clamp and is difficult to take out in the prior art.

The utility model discloses a realize through following technical scheme:

a quenching device for an engine crankshaft comprises a quenching tank, wherein a quenching net rack is arranged in the quenching tank, the quenching net rack comprises a mounting ring and a supporting net connected to the inner ring wall of the mounting ring, the outer ring wall of the mounting ring is also connected with a guide assembly, and the guide assembly can be embedded into a guide groove arranged on the inner wall of the quenching tank and can move up and down in the guide groove; the quenching device is characterized by further comprising a driving cylinder arranged outside the quenching tank, and the driving cylinder is connected with the quenching net rack through an inverted U-shaped connecting rod so as to realize the up-and-down movement of the quenching net rack.

Among the above-mentioned technical scheme, the work piece is directly placed on the supporting network, and the supporting network can not block passing of quenching liquid at upper and lower in-process, therefore is difficult for separating between work piece and the quenching rack, and the quenching rack periphery is by the direction subassembly direction, slides from top to bottom in the guide way, can not take place to rock, has further guaranteed the steady state of quenching rack and work piece at the submergence in-process.

Compared with the prior art, the utility model discloses there is following useful part:

the quenching net rack capable of moving up and down in the quenching tank supports the workpiece, the quenching net rack drives the quenching net rack to move up and down under the guiding of the guiding assembly, the workpiece cannot be shaken in the immersion process, the supporting net cannot block the quenching liquid to pass through, and the problem that the workpiece is not easy to take out due to falling of the workpiece is effectively avoided.

Drawings

Fig. 1 is a schematic view of a connection structure according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a relative position relationship of a part of the structure according to an embodiment of the present invention.

Fig. 3 is an enlarged schematic view of a point a in fig. 1 according to an embodiment of the present invention.

Fig. 4 is an enlarged schematic view of the embodiment of the present invention at B in fig. 1.

In the figure: quenching groove 1, quenching net rack 2, mounting ring 3, support net 4, first engaging lug 5, second engaging lug 6, guide way 7, drive actuating cylinder 8, connecting rod 9, first lower liquid passageway 10, second lower liquid passageway 11, fastening block 12, first vertical section 13, second vertical section 14, bending segment 15, positioning seat 16, supporting part 17.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 4, an engine crankshaft quenching device comprises a quenching tank 1 for containing quenching liquid, wherein a quenching net rack 2 for placing workpieces is arranged in the quenching tank 1, the quenching net rack 2 comprises a mounting ring 3 and a supporting net 4 connected to the inner annular wall of the mounting ring 3, the workpieces (not shown) are directly placed on the supporting net 4, the outer annular wall of the mounting ring 3 is also connected with a guiding assembly, the guiding assembly comprises a first connecting lug 5 and three second connecting lugs 6, the first connecting lug 5 and the second connecting lug 6 can be embedded into a vertical guiding groove 7 arranged on the inner wall of the quenching tank 1, and the first connecting lug 5 and the second connecting lug 6 can move up and down in the guiding groove 7, so that the quenching net rack 2 and the workpieces are driven to move up and down in the quenching tank 1; still including setting up the actuating cylinder 8 that drives outside quenching groove 1, drive actuating cylinder 8 and be connected in order to realize reciprocating of quenching rack 2 through the U-shaped connecting rod 9 of invering with quenching rack 2, and connecting rod 9 is connected on first engaging lug 5.

In the above embodiment, the work piece is directly placed on supporting network 4, and supporting network 4 can not block passing of quenching liquid at upper and lower in-process, therefore is difficult for separating between work piece and the quenching rack 2, and the quenching rack 2 periphery is by the direction subassembly direction, slides from top to bottom in guide way 7, can not take place to rock, has further guaranteed the steady state of quenching rack 2 and work piece at the submergence in-process.

Preferably, in order to prevent that quenching rack 2 from reciprocating the in-process, first engaging lug 5 and second engaging lug 6 block the quenching liquid and pass through and increase the resistance about quenching rack 2, first liquid passageway 10 has all been seted up on first engaging lug 5 and the second engaging lug 6, and the lower liquid passageway on first engaging lug 5 with set up the second liquid passageway 11 intercommunication down on fastening block 12, first liquid passageway 10 and second liquid passageway 11 can supply the quenching liquid to pass, reduce the resistance.

Preferably, the connecting rod 9 passes through the first engaging lug 5 and then is fixedly connected with the fastening block 12 arranged below the first engaging lug 5, so as to improve the connection stability, wherein the fastening block 12 is embedded into the guide groove 7, the lower end surface of the fastening block 12 is in an arc shape inclined downwards towards the corresponding guide groove 7, the guide groove 7 can be cleaned in the downward moving process, and sundries attached to the wall of the guide groove 7 can be removed.

Similarly, in order to clean each guide groove 7, the upper end surface of the second engaging lug 6 is in an arc shape inclined upwards towards the corresponding guide groove 7, and the lower end surface of the second engaging lug 6 is in an arc shape inclined downwards towards the corresponding guide groove 7, so that the guide grooves 7 can be cleaned in the up-and-down moving process, and sundries attached to the walls of the corresponding guide grooves 7 can be removed.

Preferably, the connecting rod 9 comprises a first vertical section 13 connected with the piston of the driving cylinder 8 and a second vertical section 14 connected with the quenching net rack 2, and a bent section 15 connecting the first vertical section 13 and the second vertical section 14, wherein the piston of the driving cylinder 8 can move upwards to slowly lift the quenching net rack 2 immersed in the quenching tank 1 away from the quenching tank 1, and move downwards to immerse the quenching net rack 2 in the quenching tank 1.

Preferably, in order to prevent the driving cylinder 8 from shaking up and down in the driving of the quenching net rack 2, the quenching tank 1 is further provided with a positioning seat 16, the upper end of the positioning seat 16 is provided with a supporting part 17 for supporting the bending section 15 of the connecting rod 9, the supporting part 17 is provided with a guide hole for the first vertical section 13 to pass through, the connecting rod 9 can only move up and down under the guide of the guide hole, and the stability of the quenching net rack 2 and a workpiece during moving up and down is further ensured.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A quenching device for an engine crankshaft comprises a quenching tank, wherein a quenching net rack is arranged in the quenching tank, and the quenching net rack is characterized by comprising a mounting ring and a supporting net connected to the inner ring wall of the mounting ring, the outer ring wall of the mounting ring is also connected with a guide assembly, and the guide assembly can be embedded into a guide groove arranged on the inner wall of the quenching tank and can move up and down in the guide groove; the quenching device is characterized by further comprising a driving cylinder arranged outside the quenching tank, and the driving cylinder is connected with the quenching net rack through an inverted U-shaped connecting rod so as to realize the up-and-down movement of the quenching net rack.

2. The engine crankshaft quenching apparatus of claim 1 wherein the guide assembly comprises a first engaging lug and three second engaging lugs, and the connecting rod is connected to the first engaging lug.

3. The quenching device for the crankshaft of the engine as claimed in claim 2, wherein the connecting rod passes through the first connecting lug and is fixedly connected with the fastening block.

4. The quenching apparatus for an engine crankshaft as claimed in claim 3, wherein the fastening block is fitted into the guide groove, and the lower end surface of the fastening block is formed in an arc shape inclined downward toward the corresponding guide groove.

5. The quenching apparatus for an engine crankshaft as claimed in claim 4, wherein the upper end surface of the second engaging lug is formed in an arc shape inclined upward toward the corresponding guide groove, and the lower end surface of the second engaging lug is formed in an arc shape inclined downward toward the corresponding guide groove.

6. The quenching device for the engine crankshaft as claimed in claim 5, wherein the first connecting lug and the second connecting lug are both provided with a first lower fluid passage, and the lower fluid passage on the first connecting lug is communicated with a second lower fluid passage on the fastening block.

7. The engine crankshaft quenching device of claim 1, wherein the connecting rod comprises a first vertical section connected to the piston of the driving cylinder, a second vertical section connected to the quenching net rack, and a curved section connecting the first vertical section and the second vertical section.

8. The quenching apparatus for the crankshaft of the engine as claimed in claim 7, wherein the quenching tank is further provided with a positioning seat, the upper end of the positioning seat is provided with a supporting portion for supporting the bending section of the connecting rod, and the supporting portion is provided with a guiding hole for the first vertical section to pass through.