CN212329059U

CN212329059U - Hot water washing device for electrophoresis pretreatment of automobile parts

Info

Publication number: CN212329059U
Application number: CN202020337648.9U
Authority: CN
Inventors: 朱锦华
Original assignee: Kunshan Tiansheng Auto Parts Co ltd
Current assignee: Kunshan Tiansheng Auto Parts Co ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2021-01-12
Anticipated expiration: 2030-03-17

Abstract

The utility model provides a hot water washing device for electrophoretic pretreatment of automobile parts, which comprises a rinsing bath, a conveying sling, a spraying pipeline and a water supply pipeline, wherein the conveying sling is positioned at the top of the rinsing bath and is used for hanging and conveying workpieces; a plurality of rows of spraying pipelines are arranged on the inner side wall of the rinsing bath at intervals along the moving direction of the conveying lifting appliance, each spraying pipeline comprises a left spraying pipeline and a right spraying pipeline, each left spraying pipeline and each right spraying pipeline respectively comprise an upper pipeline, a longitudinal pipeline and a lower pipeline which are sequentially communicated, the tail ends of the upper pipelines and the tail ends of the lower pipelines are respectively arranged in an upward and downward inclined mode, a plurality of spray heads are arranged on the spraying pipelines, and the spraying ranges of the plurality of spray heads can cover a workpiece; the washing tank is provided with a water inlet and a water outlet, a filter, a water pump and a heat exchanger are sequentially arranged on a water supply pipeline connecting the water outlet and the water inlet, and the water supply pipeline is communicated with a spraying pipeline through the water inlet. The utility model discloses a spray and preheat the effect even, pipeline and equipment long service life.

Description

Hot water washing device for electrophoresis pretreatment of automobile parts

Technical Field

The utility model belongs to the technical field of car parts electrophoresis equipment, concretely relates to hot water washing device of car parts electrophoresis pretreatment.

Background

The hot water washing is the first process of the electrophoresis pretreatment of the automobile parts, and the general process comprises the steps of firstly loading the workpieces onto a conveying hanger, hanging the workpieces by the conveying hanger and conveying the workpieces into a hot water washing tank along a track, and then spraying hot water to the workpieces by a spraying pipeline in the hot water washing tank. The purpose of hot water washing is to warm and preheat the workpiece in advance, and simultaneously can wash away dust and foreign matters on the surface of the workpiece, soften oil stains on the surface of the workpiece and improve the degreasing effect.

The spray head in the existing hot washing tank usually sprays a workpiece towards a certain angle, the spraying and preheating effects are unbalanced, the surface of the workpiece often has dirty dead corners, and adverse effects are caused on the smooth proceeding of the subsequent pre-degreasing process. In addition, if the spraying sewage is recycled, impurities such as scrap iron, dust and the like in the sewage can block pipelines and conveying equipment, and the service lives of the pipelines and the equipment are shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hot washing device of automobile parts electrophoresis pretreatment to solve spraying of hot washing device and preheat the effect inequality, and the problem that the life of hot washing pipeline and equipment is low.

The utility model provides a following technical scheme:

a hot water washing device for electrophoretic pretreatment of automobile parts comprises a washing tank, a conveying hanger, a spraying pipeline and a water supply pipeline, wherein the conveying hanger is positioned at the top of the washing tank and is used for hanging and conveying workpieces; the multiple rows of spraying pipelines are arranged on the inner side wall of the rinsing bath at intervals along the moving direction of the conveying lifting appliance, each spraying pipeline comprises a left spraying pipeline and a right spraying pipeline, each left spraying pipeline and each right spraying pipeline respectively comprise an upper pipeline, a longitudinal pipeline and a lower pipeline which are sequentially communicated, the tail ends of the upper pipelines and the tail ends of the lower pipelines are respectively arranged in an upward and downward inclined mode, the spraying pipelines are provided with a plurality of spray heads, and the spraying ranges of the spray heads can cover the workpiece; the water washing tank is provided with a water inlet and a water outlet, a filter, a water pump and a heat exchanger are sequentially arranged on a water supply pipeline connecting the water outlet and the water inlet, and the water supply pipeline is communicated with the spraying pipeline through the water inlet.

Preferably, a magnetic rod is fixedly installed at the water outlet in the rinsing bath, and the diameter of the magnetic rod is smaller than that of the water outlet.

Preferably, the filter is a fine filter.

Preferably, still install photoelectric sensor on the inside wall of wash bowl, install the controller outside the wash bowl, install the solenoid valve on the shower nozzle, photoelectric sensor connects the controller, the controller is connected each the solenoid valve with the water pump.

Preferably, the photoelectric sensor is installed on the upper side of the rinsing bath, and a probe of the photoelectric sensor faces the hanger rod of the conveying hanger.

Preferably, the rinsing bath comprises profile steel stand columns, stainless steel plates and a heat preservation layer, the heat preservation layer is filled between every two adjacent profile steel stand columns, and the stainless steel plates cover the profile steel stand columns and the inner side and the outer side of the heat preservation layer.

The utility model has the advantages that:

the utility model is used for carry out the hot water washing of electrophoresis pretreatment to automobile parts. The spray pipeline is installed on the left side wall and the right side wall of the rinsing bath, the spray pipeline comprises an upper pipeline, a longitudinal pipeline and a lower pipeline, the tail ends of the upper pipeline and the lower pipeline are respectively arranged upwards and downwards in an inclined mode, therefore, the spray head can surround the workpiece from the upper direction, the lower direction, the left direction and the right direction, the spray range of the spray head can cover the workpiece, no spray dead zone exists, and the dust removal effect and the heating effect balance of the surface of the workpiece are guaranteed.

The water supply pipeline provides spray hot water for spraying the pipeline, installs filter, water pump and heat exchanger on the water supply pipeline in proper order, and the filter filters the sewage that sprays that deposits in the wash bowl bottom, filters the heat transfer in going into the heat exchanger by the pump behind impurity, the dust in the sewage, then flows back to spray the pipeline well cycle and use, and energy-concerving and environment-protective has prolonged the life of pipeline and equipment.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic structural view of the conveying sling according to the present invention;

labeled as: 1. a rinsing bath; 2. conveying a lifting appliance; 3. a spray pipeline; 4. a water supply line; 5. a stainless steel plate; 6. a heat-insulating layer; 7. a workpiece; 8. a guide wheel; 9. a track; 10. a motor; 11. a water inlet; 12. a water outlet; 13. a fine filter; 14. a water pump; 15. a heat exchanger; 16. an upper pipeline; 17. a longitudinal conduit; 18. a lower pipeline; 19. a spray head; 20. a magnetic bar; 21. a photosensor; 22. and a controller.

Detailed Description

As shown in figure 1, the hot water washing device for the electrophoresis pretreatment of the automobile parts is used for hot water washing of the electrophoresis pretreatment of the automobile parts such as sheet metal parts and the like, and comprises a washing tank 1, a conveying lifting appliance 2, a spraying pipeline 3 and a water supply pipeline 4.

The rinsing bath 1 comprises a section steel stand column, a stainless steel plate 5 and a heat insulation layer 6, and the section steel stand column plays a role in supporting and fixing the rinsing bath. The heat preservation 6 is filled between two adjacent section steel stand columns to strengthen the heat preservation effect to the internal environment of the rinsing bath 1 and avoid heat loss. The stainless steel plates 5 cover the inner side and the outer side of the section steel upright posts and the heat preservation layer 6.

As shown in fig. 1 and 2, a transport spreader 2 is located on top of the rinsing bath 1, and the transport spreader 2 is used to suspend and transport a workpiece 7. The transport spreader 2 is commercially available and is directionally moved by means of guide wheels 8 in cooperation with rails 9, wherein the guide wheels 8 are driven by a motor 10, and a lifting hook is mounted on a boom of the transport spreader 2, on which the work piece 7 is suspended.

The washing tank 1 is provided with a water inlet 11 and a water outlet 12, a water supply pipeline 4 is connected with the water outlet 12 and the water inlet 11, a fine filter 13, a water pump 14 and a heat exchanger 15 are sequentially installed on the water supply pipeline 4, the water supply pipeline 4 is communicated with a spraying pipeline 3 through the water inlet 11 to provide hot water for the spraying pipeline 3, the temperature of the hot water for hot washing of the device is 50-60 ℃, and the hot water in other temperature ranges can be selected according to working conditions. The used spraying sewage falls into the bottom of the rinsing bath 1, the impurities such as scrap iron, dust and the like in the sewage are filtered by the fine filter 12 and then pumped into the heat exchanger 15, and the sewage returns to the spraying pipeline 3 in the rinsing bath for recycling after heat exchange and temperature rise.

Multirow sprays pipeline 3 and installs on the inside wall of wash bowl 1 along the moving direction interval of carrying hoist 2, left side that spraying pipeline 3 set up including the symmetry sprays pipeline and right side spraying pipeline, left side sprays pipeline and right side and sprays pipeline all including the last pipeline 16 that communicates in proper order, vertical pipeline 17 and lower pipeline 18, the end of going up pipeline 16 and lower pipeline 18 respectively up and down the slope setting, install a plurality of shower nozzle 19 on the spraying pipeline 3, a plurality of shower nozzle 19 is from the top, down, a left side, four directions in the right side surround work piece 7, consequently, the spray regime of shower nozzle 19 can cover work piece 7, avoid appearing spraying the blind area.

A cylindrical magnetic rod 20 is fixedly arranged at the water outlet 12 in the rinsing bath 1, and the magnetic rod 20 can adsorb impurities such as scrap iron, iron powder and the like in the spraying sewage flowing through the water outlet 12, so that the impurities are prevented from blocking pipelines and fluid conveying equipment. The diameter of the magnetic rod 20 is smaller than that of the water outlet 12, so that the water outlet 12 is not blocked. The length of the magnetic rod 20 can be selected to be larger than the diameter of the water outlet, so that the magnetic rod is prevented from shaking due to suction of a water pump.

A photoelectric sensor 21 is further mounted on the inner side wall of the rinsing bath 1, the photoelectric sensor 21 is mounted on the upper side of the rinsing bath 1, and a probe of the photoelectric sensor 21 faces a hanging rod of the conveying hanger 2. A controller 22 is arranged outside the rinsing bath 1, each spray head 19 is provided with an electromagnetic valve, the photoelectric sensor 21 is connected with the controller 22, and the controller 22 is connected with each electromagnetic valve and the water pump 14. The controller 22 controls the output power of the water pump 14 and the opening size of the electromagnetic valve according to the detection signal of the photoelectric sensor, when the conveying lifting appliance 2 carries the workpiece 7 to pass through the photoelectric sensor 21, the photoelectric sensor 21 sends the detection signal to the controller 22 after sensing the lifting rod of the conveying lifting appliance 2, and the controller 22 increases the output power of the water pump and the opening size of the electromagnetic valve, so that the spray head 19 sprays a large amount of high-pressure hot water to the workpiece 7, and the spray head 19 intermittently sprays a large amount of high-pressure hot water to the workpiece, so that the hot water consumption is saved, and the production cost is reduced.

The working process of the device is as follows: hang car sheet metal component (being work piece 7) on the lifting hook of carrying hoist 2, carry hoist 2 to carry the work piece and move forward in wash bowl 1, photoelectric sensor 21 detects behind the jib of carrying hoist 2, controller regulation water pump 14 and solenoid valve, supply line 4 carries hot water in spray line 3 under the effect of water pump, then shower nozzle 19 sprays high-pressure hot water about 90 seconds to the surface of work piece 7 all-roundly, wash the iron fillings on work piece surface, dirty such as dust, and heat up the work piece, spray the sewage deposit that produces and wash the bottom of wash bowl 1, spray the iron fillings in the sewage is filtered under the adsorption of magnetic rod 20 to sewage, the iron powder, then filter in getting into smart filter 13 again, then pump 14 pump heat transfer in the heat exchanger 15 and heat up, be convenient for the circulation uses hot water.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The hot water washing device for the electrophoretic pretreatment of the automobile parts is characterized by comprising a washing tank, a conveying hanger, a spraying pipeline and a water supply pipeline, wherein the conveying hanger is positioned at the top of the washing tank and is used for hanging and conveying workpieces; the multiple rows of spraying pipelines are arranged on the inner side wall of the rinsing bath at intervals along the moving direction of the conveying lifting appliance, each spraying pipeline comprises a left spraying pipeline and a right spraying pipeline, each left spraying pipeline and each right spraying pipeline respectively comprise an upper pipeline, a longitudinal pipeline and a lower pipeline which are sequentially communicated, the tail ends of the upper pipelines and the tail ends of the lower pipelines are respectively arranged in an upward and downward inclined mode, the spraying pipelines are provided with a plurality of spray heads, and the overall spraying range of the plurality of spray heads can cover the workpiece; the water washing tank is provided with a water inlet and a water outlet, a filter, a water pump and a heat exchanger are sequentially arranged on a water supply pipeline connecting the water outlet and the water inlet, and the water supply pipeline is communicated with the spraying pipeline through the water inlet.

2. The hot water washing device for the electrophoretic pretreatment of the automobile parts as claimed in claim 1, wherein a magnetic rod is fixedly installed at the water outlet in the washing tank, and the diameter of the magnetic rod is smaller than that of the water outlet.

3. The hot water washing apparatus for the electrophoretic pretreatment of automotive parts according to claim 2, wherein said filter is a fine filter.

4. The hot water washing device for the electrophoretic pretreatment of the automobile parts as claimed in claim 3, wherein a photoelectric sensor is further mounted on the inner side wall of the washing tank, a controller is mounted outside the washing tank, each spray head is provided with an electromagnetic valve, the photoelectric sensor is connected with the controller, and the controller is connected with each electromagnetic valve and the water pump.

5. The hot water washing device for the electrophoretic pretreatment of the automobile parts as claimed in claim 4, wherein the photoelectric sensor is mounted on the upper side of the washing tank, and a probe of the photoelectric sensor faces the hanger rod of the conveying hanger.

6. The hot water washing device for the electrophoretic pretreatment of the automobile parts as claimed in claim 1, wherein the washing tank comprises section steel pillars, stainless steel plates and a heat insulation layer, the heat insulation layer is filled between two adjacent section steel pillars, and the stainless steel plates cover the section steel pillars and the inner and outer sides of the heat insulation layer.