CN208701128U

CN208701128U - A kind of quenching unit

Info

Publication number: CN208701128U
Application number: CN201821203019.6U
Authority: CN
Inventors: 钱喜军; 蒋健
Original assignee: WUXI XINDELONG INDUSTRIAL FURNACE Co Ltd
Current assignee: WUXI XINDELONG INDUSTRIAL FURNACE Co Ltd
Priority date: 2018-07-27
Filing date: 2018-07-27
Publication date: 2019-04-05
Anticipated expiration: 2028-07-27

Abstract

The utility model provides a kind of quenching unit, not only can effectively realize that the quenching of Axle Parts is cooling, and cooling uniform, have preferable cooling effect, substantially increase the quality of production and economic benefit；It includes quenching bath and the quenching bench above the quenching bath, workpiece is placed on the quenching bench, rack is equipped with above the quenching bath, equipped with the lifting device being connect with the quenching bench in the rack, along the workpiece circumferentially around there is outer nozzle in the quenching bath, built-in fitting is equipped in the quenching bath, inner nozzle is connected on the built-in fitting, the water outlet of the inner nozzle corresponds to the setting of the through-hole on the workpiece, the inner nozzle bottom is equipped with block piece, and the block piece is mutually touched with the quenching bench outer wall dropped in the quenching bath.

Description

A kind of quenching unit

Technical field

The utility model relates to the technical field of quenched production equipment, specially a kind of quenching unit.

Background technique

On automobile tempering product line, after the completion of the shaft elements such as vehicle bridge heat in furnace, need by quenching treatment, Components are only sunk to cooling in cooling medium by existing quenching technical, but since vehicle bridge class axis part is equipped with through-hole, only It is only to sink to part in cooling medium, uniform cooling can not be reached, cooling effect is undesirable, to affect production matter Amount, reduces economic benefit.

Summary of the invention

Existing quenching technical is used for shaft elements such as vehicle bridge, inhomogeneous cooling is even, and cooling effect is undesirable, thus shadow The problem of ringing the quality of production and economic benefit, the utility model provides a kind of quenching unit, not only can effectively realize axis class The quenching of component is cooling, and cooling uniform, has preferable cooling effect, substantially increases the quality of production and economic benefit.

Its technical solution is such comprising quenching bath and the quenching bench above the quenching bath, workpiece are placed In on the quenching bench, being equipped with rack above the quenching bath, the lifting connecting with the quenching bench is housed in the rack Device, it is characterised in that: be equipped in the quenching bath pre-buried along the workpiece circumferentially around there is outer nozzle in the quenching bath Part, inner nozzle is connected on the built-in fitting, and the water outlet of the inner nozzle corresponds to the setting of the through-hole on the workpiece, institute Inner nozzle bottom is stated equipped with block piece, and the block piece is mutually touched with the quenching bench outer wall dropped in the quenching bath.

It is further characterized by:

The lifting device includes the oil cylinder being installed in the rack, and the rack is equipped with sprocket wheel, the oil cylinder with It is connected between the sprocket wheel by chain, and the chain end is connected with the quenching bench, the quenching bench top end face is opened It is fluted；

Wire rope pulley is equipped with by first bearing seat in the rack, the wirerope one end being around on the wire rope pulley connects It is connected to clump weight, the other end is connected with the quenching bench；

Idler wheel is housed on the quenching bench lateral wall, the rack is equipped with guiding channel steel corresponding with the idler wheel, And the guiding channel steel extension is fixed in the quenching bath；

The built-in fitting is pre-embedded steel slab, and is fixed on the quenching bath inner sidewall, and the built-in fitting, which is equipped with, to be fixed Seat, the fixing seat both ends are equipped with second bearing seat, are connected with shaft, the inner nozzle between the second bearing seat at both ends Loaded in the shaft；

The block piece includes the divider being connected in the shaft, roll bar is connected on the divider, the roll bar is under The quenching bench outer wall being down in the quenching bath mutually touches；

The inner nozzle, outer nozzle are connected with external water supply pump, are uniformly distributed on the outer nozzle along its pipe range There is spray port, spray tube is communicated on the water outlet of the inner nozzle, corresponds on the spray tube at the workpiece through-hole It is uniformly provided with jet port.

The utility model has the beneficial effects that the quenching bench for placing workpiece is risen in quenching bath up and down by lifting device Drop, after quenching bench is lowered in quenching bath, outer nozzle is sprayed water, and increases the mobility of water, may make that workpiece is cooling more Uniformly, while quenching bench decline with block piece until mutually touch, and then by lever principle, inner nozzle can turn to workpiece through-hole direction It is dynamic, then shower water in the through-hole of workpiece can be cooled down by inner nozzle, the cooling effect of workpiece be improved, to improve The quality of production and economic benefit.

Detailed description of the invention

Fig. 1 is the structural schematic diagram (state before inner nozzle rotation) of the utility model；

Fig. 2 is the structural schematic diagram (state after inner nozzle rotation) of the utility model；

Fig. 3 is the side structure schematic view of the utility model；

Fig. 4 is the overlooking structure diagram of the utility model；

Fig. 5 is enlarged structure schematic diagram at the I of Fig. 4；

Fig. 6 is enlarged structure schematic diagram at the Z of Fig. 4；

Fig. 7 is the structural schematic diagram of quenching bench.

Specific embodiment

As shown in Fig. 1 ~ Fig. 7, the utility model includes that quenching bath 1 and the quenching bench 2 above quenching bath 1, workpiece 3 are put It is placed on quenching bench 2, rack 4 is equipped with above quenching bath 1, the lifting device connecting with quenching bench 2 is housed in rack 4, is being quenched It is equipped with built-in fitting in quenching bath 1, is connected with inner nozzle on built-in fitting circumferentially around there is outer nozzle 5 along workpiece 3 in fiery pond 1 6, the water outlet of inner nozzle 6 corresponds to the setting of the through-hole 7 on workpiece 3, and 6 bottom of inner nozzle is equipped with block piece, and block piece is quenched with dropping to 2 outer wall of quenching bench in fiery pond 1 mutually touches.

Lifting device includes the oil cylinder 8 being installed in rack 4, and rack 4 is equipped with 3 sprocket wheels 9, between oil cylinder 8 and sprocket wheel 9 It is connected by chain 10, and 10 end of chain is connected with quenching bench 2,2 top end face of quenching bench is provided with groove 11；Lead in rack 4 First bearing seat 12 is crossed equipped with 3 wire rope pulleys 13,14 one end of wirerope being around on wire rope pulley 13 is connected with clump weight 15, The other end is connected with quenching bench 2, by 15 stress of clump weight, is convenient for 2 oscilaltion of quenching bench；It is set on 2 lateral wall of quenching bench There are 8 idler wheels 16, and be uniformly installed on 2 both ends lateral wall of quenching bench respectively, rack 4 is equipped with lead corresponding with idler wheel 16 To channel steel 17, and it is oriented to the extension of channel steel 17 and is fixed in quenching bath 1；Idler wheel 16 can be slided up and down along guiding channel steel 17, and be led It is less than the groove width of idler wheel 16 to the groove width of channel steel 17.

Built-in fitting is pre-embedded steel slab (not shown), and is fixed on 1 inner sidewall of quenching bath, and built-in fitting, which is equipped with, to be fixed Seat 18,18 both ends of fixing seat are equipped with second bearing seat 19, are connected with shaft 20, inner nozzle 6 between the second bearing seat 19 at both ends Loaded in shaft 20；Block piece includes the divider 23 being connected in shaft 20, and roll bar 21, roll bar 21 and decline are connected on divider 23 2 outer wall of quenching bench in quenching bath 1 mutually touches；Inner nozzle 6, outer nozzle 5 are connected with external water supply pump, in outer nozzle 5 On along its pipe range be evenly distributed with spray port, spray tube 22, the through-hole 7 of corresponding workpiece 3 are communicated on the water outlet of inner nozzle 6 Jet port is uniformly provided on the spray tube 22 at place.

The course of work of the utility model is that workpiece 3 is placed in the groove 11 of quenching bench 2, and oil cylinder 8 acts, and passes through chain Wheel 9 and the effect of chain 10 drive 2 oscilaltion of quenching bench, and after quenching bench 2 is lowered in quenching bath 1, outer nozzle 5 is sprayed Water can increase the mobility of water, so that workpiece 3 is cooling more evenly, while quenching bench 2 declines up to touching with 21 phase of roll bar, and Afterwards by lever principle, inner nozzle 6 can be rotated to 7 direction of through-hole of workpiece 3, then can through-hole 7 to workpiece 3 by inner nozzle 6 Interior shower water is cooled down, and the cooling effect of workpiece is improved, to improve the quality of production and economic benefit.

Claims

1. a kind of quenching unit comprising quenching bath and the quenching bench above the quenching bath, workpiece are placed in described quench On fiery platform, it is equipped with rack above the quenching bath, the lifting device connecting with the quenching bench is housed in the rack, it is special Sign is: built-in fitting is equipped in the quenching bath circumferentially around there is outer nozzle along the workpiece in the quenching bath, it is described pre- Inner nozzle is connected on embedded part, the water outlet of the inner nozzle corresponds to the setting of the through-hole on the workpiece, the inner nozzle Bottom is equipped with block piece, and the block piece is mutually touched with the quenching bench outer wall dropped in the quenching bath.

2. a kind of quenching unit according to claim 1, it is characterised in that: the lifting device includes being installed on the machine Oil cylinder on frame, the rack are equipped with sprocket wheel, are connected between the oil cylinder and the sprocket wheel by chain, and chain end End is connected with the quenching bench, and the quenching bench top end face is provided with groove.

3. a kind of quenching unit according to claim 1, it is characterised in that: be equipped in the rack by first bearing seat Wire rope pulley, the wirerope one end being around on the wire rope pulley are connected with clump weight, and the other end is connected with the quenching bench.

4. a kind of quenching unit according to claim 1, it is characterised in that: idler wheel is housed on the quenching bench lateral wall, The rack is equipped with guiding channel steel corresponding with the idler wheel, and the quenching bath is fixed in guiding channel steel extension It is interior.

5. a kind of quenching unit according to claim 1, it is characterised in that: the built-in fitting is pre-embedded steel slab, and fixed In on the quenching bath inner sidewall, the built-in fitting is equipped with fixing seat, and the fixing seat both ends are equipped with second bearing seat, both ends The second bearing seat between be connected with shaft, the inner nozzle is loaded in the shaft.

6. a kind of quenching unit according to claim 5, it is characterised in that: the block piece includes being connected in the shaft Divider, be connected with roll bar on the divider, the roll bar is collided with the quenching bench outer wall dropped in the quenching bath Touching.

7. a kind of quenching unit according to claim 1, it is characterised in that: the inner nozzle, outer nozzle are supplied with outside Water pump is connected, and is evenly distributed with spray port along its pipe range on the outer nozzle, is connected on the water outlet of the inner nozzle There is spray tube, is uniformly provided with jet port on the spray tube at the corresponding workpiece through-hole.