RU95277U1 - WASHING AND DRYING INSTALLATION OF CAROUSEL TYPE - Google Patents

Abstract

The washer-dryer belongs to the washing technique and is used to clean parts with internal cavities and holes. The installation comprises a bath, above which a washing chamber is installed, having a rotating carousel inside, which is fixed in position and divided by rigid partitions into sectors, in which devices for installing and clamping washed products are fixed. Inside the washing chamber, external washing manifolds and a part blower collector are mounted, into which air is supplied by a radial fan for drying the parts. The installation comprises nozzles for directional washing and purging of through and blind holes and internal cavities of the products to be cleaned, which rotate together with the carousel. A distribution unit is made in the bearing support of the carousel, through the internal channels of which the washing solution and compressed air are supplied to the internal surfaces and openings of the part. Increased technological capabilities and the range of cleaned parts.

Description

The utility model relates to washing equipment, namely to carousel-type washing and drying plants for washing and drying parts, and can be used in machine-building plants to clean parts with internal cavities, blind and through holes after machining.

Known carousel washing and drying installation, consisting of a base, in the center of which a column is fixedly mounted, a spider mounted on the column with the possibility of rotation on the bearing unit. The crosspiece consists of several telescopic suspensions and carriages. Holders are attached to the carriages, designed to accommodate the processed products. The vertical displacement drive consists of pneumatic valves and pneumatic cylinders, to which carriages with grips are attached. The counterweights are freely placed inside the pipes and, through the blocks installed on each of the rods, are connected to the carriages using flexible connections. They hold the holders in the upper position during rotation of the spider, and when the vertical drive is turned on, the respective holders are lowered into the rinse bath and rinse bath. In this case, the balances move freely inside the pipes, in which there are guide grooves "a" for the pins fixed in the balances (see patent RU No. 2022674 from 01/31/1991 g, Int. Cl. ⁵ B08B 3/04).

The reasons that impede the achievement of the technical result indicated below when using the known installation include the presence of a large number of actuators of complex design, as well as a significant length of the unit due to the presence of a large number of technological operations.

A known installation for washing the holes of the crankshafts containing a washing chamber, a bath for washing solution, a pump for pumping it, a step conveyor with supporting elements and a device for supplying washing solution to the shaft holes, which is made in the form of a collector with the possibility of vertical movement relative to the supporting elements for the shaft and equipped with orientation elements of the shafts, made in the form of clamps with channels for supplying a washing solution. The washing chamber is equipped with flaps dividing it into a number of technological zones and a mechanism for their movement with an electromechanical drive (see copyright certificate SU No. 618143 of 07.23.1975, Int. Cl. ² B08B 3/02).

The reasons that impede the achievement of the technical result indicated below when using the known device include the impossibility of directed high-quality cleaning of parts with internal cavities and holes, the need for additional devices for immersion of washed products in the bath with detergent solution and their lifting, as well as the design large dimensions.

The closest device of the same purpose to the claimed utility model for a combination of essential features is a product cleaning machine (multi-position rotary machine), consisting of a housing in which there is a chamber for cleaning products, a tank with a heater located at the bottom of the housing, a collector for external jet washing parts, pump, filter for cleaning the cleaning solution and the pipeline connecting the pump to the flushing manifold. A carousel (rotary drum) with recesses is mounted in the housing to accommodate the washed parts. The carousel is located on the shaft. The lower part of the shaft rests on a hinge support, and the upper part is connected through a pin to the drive, which ensures the rotation of the carousel to the required angle. In the front of the housing there is a loading window into the recess of the carousel. The carousel drive is located in the drive compartment at the top of the chassis and is protected from liquid and other contaminants. The drive compartment also has a drive for rotating baskets with flushed parts. The rotation of the basket at different positions of the washer is provided by a toothed belt, which is located in the drive compartment. Wash baskets are located in the recesses of the carousel and can rotate around a vertical axis. At the loading position, the basket does not rotate, since the gear located on the shaft of the basket does not engage with the drive belt. The washing machine at least has a loading position, a washing position, where the parts are rinsed in a rotating basket, and a blowing position, where fan parts are blown in a rotating basket. To divide the working part of the housing into zones (positions), partitions are provided in the housing. Depending on the design features, the washer may have a larger number of recesses in the carousel and a greater number of zones (positions) for cleaning products (see US patent No. 6276374 publ. 08.21.2001, Int. Cl ^7. B08B 3/02).

The reasons that impede the achievement of the technical result indicated below when using a known device adopted as a prototype, as follows from the description of the design of this mechanism, include the impossibility of high-quality cleaning of chips after machining parts with internal cavities, blind and through holes.

The technical result is the expansion of technological capabilities and the range of cleaned parts.

The specified technical result in the implementation of the utility model is achieved by the fact that in a washing and drying installation containing a bath with heating and filtration systems of the washing solution, a washing chamber having a loading window and divided into washing and blowing zones, a carousel with a bearing support into which the cleaned parts, the carousel rotation drive around the vertical axis, the external flushing manifolds and the air blower collector from the radial fan, the feature is that for fixing the carousel at the position a latch is provided, which can be manual or automatic, while the carousel is divided by rigid partitions into sectors, in each of which there is a fixture with nozzles on which the washed parts are mounted and clamped, the number of carousel sectors is equal to the number of operations of a specific washing and drying installation, while nozzles are made inside the device in such a way that they can be rotated together with the carousel, moreover, for effective removal of chips from deep blind holes second nozzle holes included in washable parts. In addition, a distribution unit is made in the bearing support of the carousel, through the internal channels of which the washing solution and compressed air are supplied through the nozzles to the internal surfaces and openings of the part.

The following illustrations are provided to illustrate this utility model:

Figure 1 - shows a front view of the washer-dryer;

In Fig.2 - shows a section aa in Fig.1;

Figure 3 - shows a section bB in figure 2;

Figure 4 - shows the device of the distribution node.

The washing and drying installation consists of a bath 1 with a heating system 2 and a washing solution filtration system, which includes a drain filter 3 and a pressure filter 4, a pump station 5 for supplying the washing solution to the collectors 6 and nozzles 7, and the washing chamber 8. On the bath frame 1 inside the washing chamber 8, a carousel 10 is installed on the bearing support 9, divided by rigid partitions 11 into sectors, the number of which is equal to the number of operations of a specific washing and drying installation, and having the ability to rotate in the bearing support 9 around vertics Flax axis. Inside the washing chamber, collectors 6 are mounted for external washing of parts, and a collector for blowing 12 parts with fan air is installed. A radial fan 13 is mounted on the washing chamber 8, which is connected through a soft insert 14 to the blower collector 12, as well as a carousel rotation drive 15. In the carousel, in each of the sectors, devices 16 are fixed for installing and clamping the parts to be cleaned 17, pipelines 18, nozzles 7 intended for directed washing and purging of through and blind holes and internal cavities of the parts to be cleaned 17, moreover, for effective removal of chips from deep blind holes of the nozzle 7 enter the washed holes . In the bearing support 9, a distribution unit 19 is made, through the internal channels of which the washing solution is supplied at the washing positions and compressed air at the blowing positions through the nozzles 7 to the internal surfaces of the part. For loading into the fixtures 16 and unloading of the cleaned parts 17, a loading window 20 is provided in the washing chamber 8, and for fixing the carousel 10, a lock 21 is provided at the position (depending on the design of the washing and drying installation, the control of the lock can be manual or automatic, using an electromagnet or pneumatic cylinder). The washing zone 22 and the purging zone 23 of the parts to be cleaned in the washing chamber are separated by screens 24.

The nine-position washer-dryer installation proposed as a utility model performs the following parts cleaning operations:

position I - loading and unloading of parts (two cleaned parts are installed in one device),

position II - intermediate, separates the loading position from the purge position,

position III - cyclic directional blowing of holes and internal surfaces of a part with compressed air. At this position, the holes and cavities of the part are pre-cleaned of chips after machining,

position IV - intermediate, separates the purge position from the wash position,

positions V and VI - directional flushing of holes and internal surfaces and washing of the external surfaces of parts,

position VII - intermediate, separates the flushing position from the purge position,

position VIII - cyclic directional blowing of holes and internal surfaces with compressed air to remove residual detergent and blowing external surfaces with fan air to dry and cool the part,

position IX - intermediate, separates the purge position from the loading position. Installation works as follows.

In the first position, the parts to be cleaned 17 are manually installed and clamped into the fixture 16 through the loading window 20. In this case, the carousel 10 is fixed in this position by the latch 21. When the carousel 10 is unlocked (the latch 21 disengages from the carousel 10), the carousel 10 is rotated by an angle 40 ° and moving the cleaned parts 17 to the next position. After turning, the carousel 10 is again fixed. At this time, two new parts are installed at the first loading position in the next tool 16. Then, with each new cycle (rotation of the carousel 10 by an angle of 40 °), the parts are moved to the next technological operation, and at the loading position, the next parts are installed in the device 16. In position III, after turning and fixing the carousel, the end switch 25 switches on for several seconds the compressed air supply system to the nozzles 7, through which the holes and internal cavities of the parts are purged, while the chips formed during machining are removed from the parts. Using the time relay, the compressed air supply system for nozzles 7 is turned on and off twice in one cycle. At positions V and VI, the holes and internal surfaces of the parts are washed with a heated detergent solution using directed jets from nozzles 7 and the external surfaces of the parts are washed through the nozzles of the collector 6. Position VII is intermediate, on which the pipe 18 and nozzles 7 are released from the washing solution. At position VIII, the holes and internal surfaces of the parts are purged with compressed air to remove residual cleaning solution. At the same time, at this position, the parts to be cleaned 17 are blown by air pumped by a radial fan 13 into the collector of the blower 12, and the parts are dried and cooled. After the carousel 10 makes a complete revolution around the vertical axis, the parts to be cleaned 17, which have passed all the technological cleaning operations, are removed from the device 16 and new parts are installed in their place. Thus, a continuous process of washing and drying parts.

The distribution node 19 is arranged as follows. Through hole "a", compressed air flows under pressure at the purge positions III and VIII to nozzles 7, through which the internal holes of the parts to be cleaned 17 are purged. Through hole "b", the cleaning solution flows under pressure at the purge positions V and VI to nozzles 7. At the intermediate positions IV and VII, through the holes “c”, the residues of the washing solution from the nozzles 7 and pipelines 18 are drained into the bath 1.

The advantage of the claimed utility model is that, compared with devices adopted for the analogue, the installation provides high-quality cleaning of complex parts with internal cavities, blind and through holes from chips after machining, due to the introduction of directional washing of internal surfaces. The installation possibilities are expanded due to the provision of blowing holes and internal cavities of parts with compressed air and drying of parts after washing, which also improves the quality of their cleaning.

Claims (2)

1. A carousel-type washing and drying installation comprising a bath with heating and filtering systems of a washing solution, a washing chamber having a loading window and divided into washing and purging zones, a carousel with a bearing support into which the parts to be cleaned are loaded, and a carousel rotation drive around a vertical axis , external flushing collectors, air blower collector from a radial fan, characterized in that the carousel is fixed in position and is divided by rigid partitions into sectors, in each of which is fixed a device with nozzles on which the parts to be cleaned are mounted and clamped, and the nozzles are made inside the device in such a way that they enter the parts being washed and can be rotated together with the carousel, in addition, there is a distribution unit in the bearing support of the carousel with washing the solution and compressed air through nozzles are fed to the internal surfaces and openings of the part. 2. The washing installation according to claim 1, characterized in that the number of carousel sectors is equal to the number of installation operations.