PT107423A - AUTOMATIC RING BRUSH AND ITS OPERATING METHOD - Google Patents

Abstract

The present invention is directed to a machine for polishing piston segments for internal combustion engines as well as the same operating method through a computer program. THIS MACHINE IS TOTALLY AUTOMATIC. THE INVENTION IS CONSTITUTED BY THE FOLLOWING MAIN ELEMENTS: RING FASTENING DEVICE (5); CLAMS SYSTEM (3); BRUSHING SYSTEM (4); FEEDING SYSTEM (16); The invention relates to a discharging system (6), a vacuum system (19), a security system, a cover (1) with a cover (23) and a computer (25) RESOURCE TO A COMPUTER PROGRAM. The method of operation of the invention is also the subject of the present patent.

Description

Description

Automatic Ring Brushing Machine and its method of f inci nt ing the Technological Area of the Invention

This invention pertains to a machine for polishing concrete segments.

This polishing is part of the process of finishing the segments, where they are polished to uncross the surface so they can be mounted on a cylinder.

At the same time, the segment polishing process is performed manually due to the process criticity. This polishing is performed on the outer and inner surface (on the inside it depends on the shape of the segment), and control of the operation is done by the operator who controls the polishing force and the process error, adjusting it according to the needs of the product.

Thus, in this invention, this automated automated process is achieved through the external and internal segments, which ensures a wide range of dimensions and shapes.

One of the advantageous advantages of this invention is that with this invention a qualitative salt can be obtained in terms of the performance and systematization of this type of process which is also susceptible to variations due to human intervention in the process, systematization and control. In addition to the increase in quality, it is intended to improve operational efficiency and reduce process costs. To this end, a substantial increase in process control and recording of the finished product's carbides will be possible.

Until nowadays, it has never been possible to industrialize this process due to its activities, since in view of the state of the art there is no system that could be applied to solve the operational problems.

For this purpose, this invention will need to polish segments of various materials or coatings.

This invention concerns the manufacturing processes of the equipment, namely handling, machining, loading and unloading.

Statistical analysis

With regard to this technical area of invention it is stated that it is not known that there is some automatic and reliable equipment capable of performing this task, the polishing task being carried out manually, to some support di spositives.

In this way, in the manual process the segments are erroneous, closed and corrugated in a cylindrical block, tightened in the tops. The clamping force keeps the segment block closed and grouped, as it moves to a rotating machine where the operator passes the abrasive material to polish them. As far as this process is concerned, no other variant is known that will achieve the same performance.

This process has a manual tuning level, which is what gives the system viability, since great care is required in the manipulation of the segments, starting with the task of placing and positioning them in a hollow, and undergoing the sensitive operation of polishing the segments until they have the desired surface quality. The external polishing operation of the segments is very important because it is the surface that will scrape over the barrel of the cylinder, it being realized that they seal effectively without creating excessive friction that damages the carriage. The segments are normal and are coated, I run with a crust, so polishing should be done with extreme care not to damage it. The state of the art has some technological difficulties that are difficult to overcome. The high variability of the process and the sensitivity required to make the segments compliant make it extremely difficult to replicate this process automatically and to create the systems necessary for the manipulation of the segments be done effectively without human intervention. The uncertainties which may arise with this invention are as follows: I. IV.

As I mentioned, there are several types of segments, namely in terms of shape, size and mat ery. The segments should be gripped in a block and concentrically closed and in their working range, solely on the basis of a clamping force on the tops of the block. This process is highly susceptible to the conditions of the segments. In the case of segments with a triangular cross-section, the contact surface between segments is very low, making the process highly unstable.

Problems are the state of the segments, which may contain traces of oil, gum and even debris from previous operations. In the case of oils or fats, this can condition the adhesion of the segments and cause them to leave position or even to find the operating position.

Even the variation of the specific conditions at the level of the temperature and hurry may have an influence on the handling of the segments and the effectiveness of the polishing process. 11. The concentration of the segment block is critical for the process, since although the equation for predicting a force compensation signal, the point differences between the polishing material and the segments (originated by the profile of the block of segments) can cause irregularities that condition its quality. As such, it is important to ensure that the block is concentric and of the same shape, and that the polishing system has a precise and fast enough action to correct any deviations. III. Polymorphism Centrifuge Polishing operation is critical. The polishing process is different from other mechanisms (I run by excision starting), where the cutting operation is strictly controlled. In the case of polishing, the performance varies due to the wear state of the abrasive material, strength, rotation and vibration, and even due to the state of cleanliness of the segments. IV. Type of abrasive material The amount of abrasive material determines the processability of the process, which is essential because the state of the material (the size of the cutting insert, which is replaced) is not perfectly controlled. In this case, there is an errpapament and wear of the abrasive material conditioning the process. If the operating parameters are different, the differences in the abrasive material cause great differences in quality. These differences are so high that it is not possible to point to an average. V. Ability to perform different polishes

Depending on the type of segment and its size, the application to which it is intended may well be necessary to produce different types of finishing. It is necessary to equip the system with the ability to reproduce various types of polydisphatic effect in any situation.

It is intended that, with the same tool for polishing, they will be able to execute the different types of finishing pr et endi dos. SAW. Tightening and securing system The segment clamping and clamping system is one of the most ideal techniques for deploying the required level of precision. This corrender should be able to withstand a set of closed and concentric segments as far as they are fitted when mounted to the piston during the entire polishing operation, which forces it to exert a high force in the movement of closing and tightening, guaranteeing very demanding levels of precision.

Due to the forces involved the mechanical friction is sufficient to corroborate the accuracy and stability in the diurnal situation.

Having detected these technical problems, an automated machine was developed for the segmental polymers.

SUMMARY OF THE INVENTION The present invention relates to an automated machine for polishing segments, which has its structure made of non-ferrous steel and alloy, wherein the lower part control and control, the particulate suction exhaust chamber and the wiper elements while on the upper part are located the movement and tightening elements, encapsulated by a transparent acrylic cover, provided with a maintenance door and inlet and I left the anes. The equipment is prepared for connection to the factory's general exhaust system, or to a dedicated exhaust fan. The equipment is designed and manufactured to work 23 hours a day, 7 days a week. The machine will consist of the following main elements: Tightening System and Ring Rotation; Inner Ring System; Escovagerri System Power System; Discharge System; Safety Sounds.

For a better understanding of the invention, errors may be made by following the following:

Figure 1 is an overview of the invention and its corridors, i.e., the completed machine;

Figure 2 is a general view of the invention and its corridors, that is, the complete machine without pr otections;

Fig. 3 - represents the sealing ring of the rings;

Figure 4 - represents the system of tightening and rotation of the rings;

Figure 5 - represents the system of escovagerrç

Figure 6 - represents the loading system of the rings;

Figure 7 - represents the ring discharge system;

Description of the Embodiment of the Preferred Invention

Accordingly, by reference to the figures which have been identified, the detailed description of the invention will be set forth.

As discussed above, the invention is constituted by the following main elements: Tightening and Ring Rotation; Inner Ring System; Si S erra de Escovagerrt Si S erra de Alimentación; If download error; Safety Sounds. A clamping and rotation system (10) of CS rings are fixed to a centering member by jaws (17) for tightening and supporting the rings to be brushed in a set up to 130 mm wide. This system is moved by means of pneumatic cylinders (16) which guarantee a maximum closing force of 1200 N. The tightening is carried out by an auxiliary device (18) which moves on a guidewire (34) by means of a double pneumatic system (33). The aperture fits over and holds the point, a f ix and out.

The claws (17) will allow the tool change (collars) for each diameter type, by closing the ring with a standard diameter, from 60 to 160 rpm

In this system the speed of rotation is adjustable, so the rotation direction (clockwise and counterclockwise) runs smoothly. The rotational movement is generated by a reducing motor (19) controlled by a frequency variator. The reduction motor (19) is provided with a locking mechanism (20). (5) The engagement and removal of rings is accomplished by two sets of jaws (15), associated with independent vertical shafts (12) (13) and a displacement axis horizontally integral (14). The load shaft 13 carries the conveying of the rings from the drive shaft 6 to the centering position and the extraction shaft 12 carries the rings from the center position to the discharge system. The axes are routed because they are associated with a dedicated cont rouer. 3. Brushing system (11) The brushing system (11) is constituted by a brush (22); a brush support member corresponding to the guide member (25); a pneumatic tire having a load cell (27); an electric linear motor for brush actuation (26); a suction box and respective manifolds (23), and a rotary governor (24) controlled by a frequency variator for rotation of the brush. The system arranges brushes (22) up to 200 rms in diameter by 130 rms in width, and then performs brushing with vibration at the same time at the same time, with curses up to 150rm

Both the rotation and the longitudinal movement are parameterizable so that the two arms are controlled, and even the brush stroke. The brush rotation movement (22) is possible in both directions (clockwise and anticlockwise) ) with adjustable speed. The approach of the brush (22) to the rings will take place in a controlled upright movement, by maintaining a petable pressure against the rings, which will be maintained throughout the brushing operation and will be controlled through a pneumatic cylinder system associated with a load cell (27). (6) The rod (28) with polishing rings is manually disposed and in the support parts for feeding the machine, and post-erection, when empty, withdrawn t by the operator. The self-lubricating pneumatic wiper (29), positioned on the machine's washer at each loading stage, will cause the rings to be released to the transporting means (5) so that the rings can be withdrawn. 5. If Discharge (8)

The rings after being brushed are left in the alder 31 so that the rings can be withdrawn from the already assembled machine. Removal of the rings from the ring is effected by the claws (15) of the extraction shaft (12), which are removed by releasing the rings from the follower.

Upon being screwed, the rings descend through a guide (32) to the rod (28) which is placed by the operator, empty, in the extractor supports and then completely withdrawn therefrom. 6. Blower System

In order to leave the rings free from any residue resulting from the brushing process, the apparatus is provided with a blowdown system controlled by an air flow controlled by a flow regulator and a flow regulator.

This system will still, if necessary, blow through the entire brushing process to reduce the ring temperature. 7. Aspiration System

In order to leave the rings free of any residue resulting from the parenteral cleaning process and residues releasing from the brush, the machine is provided with an aspiration box and respective collectors (23) which are connected to a system of central aspiration or an external vibration sensor built into the machine. 8. Safety Systems The machine is protected against personal injury by a transparent cover (1), having only openings for entering and exiting the rings.

There will, however, be a door, protected by a safety interlock, which in the event of an opening will stop the entire system, so I run erroneous stop button. The machine meets the requirements for CE marking. 9. Control and Automation The system shall be controlled by a programmable logic controller, connected to the frequency variators, controllers, data collectors and touch interface console (2), these modules being corroborated by various communication protocols, depending on the specificity of each issue. The invention is now better described by the following steps:

Connect the invention and proceed through the program of correction to the fixing of the five axes with position encoder;

Attach the transport shafts (axes 12, 13 and 14) and post-axle and brush shafts (axes 26 and 27);

In the computer program the desired operation will be selected, disengaged and the movement, direction, pressure, speed and the desired error for the brushing of the rings; The rings are pushed by the wiper 29 to the loading zone and only when confirmed in that zone are the wiper rings moved away from the loading zone gripped by the claws 15 of the loading shaft 13, through the transport zone to the polymer zone;

(17) closes, allowing the carriage jaws (15) to come out leaving the clearance clear for the user to move the carriage to (18) advance and tighten the rings so that they remain in position.

After confirmation of the tightening of the segment in the corrugator program, the centrator system by claws (17) opens, retreats and runs the polishing program requested through the corrugator program;

After polishing, the claw centre system (17) advances and closes and then instructs the apparatus (18) to loosen the segments;

Then, the extraction shaft 14 places its claws 15 in a position to collect the rings, what happens next when the claw centering system 17 opens and recedes, so that the rings are transported from the loading area to the hopper.

Lisbon, August 13, 2015

Claims (18)

1. Automatic ring-operated brushmaker comprising the following components: • Ring tightening and rotation system (10); • Sera of IV phenol (5); • Brush Stroke (11); • S tate of AI i riant action (6); • Discharge (8); • Sense of Aspiration (2); • If Breathing wave acts (3); • Safety Sets (4); • Bench (9); • A corrector (7); and proceed to the polishing of segments using a software program. A ring brush according to claim 1 characterized in that the ring-tightening and rotation system (10) comprises a squeegee ring (17) for tightening and supporting the rings to be brushed in a up to 130 rpm wide, which is moved by means of pneumatic cylinders (16) which guarantee a locking force of not less than 1200 N. A ring brush according to claims 1 and 2, characterized in that the tightening of the ring rotation and tightening ring (10) is carried out by an apparatus (18) which moves over on a guidewire (35) over a guidewire (34) by means of a double pneumatic guidewire (33). A ring brush according to claims 1 and 3, characterized in that the tightening of the ring tightening and rotation ring (10) is effected on a point and counter-point, a fi xed and a further bendable . A ring brush according to claim 1 and 2, characterized in that the centripetal tool (17) carries out the tool change for the various diameter types, by closing the tool ring with standard diameter, from 60 to 160 ητη, the speed of rotation being adjustable, as well as the direction of rotation, clockwise and anticlockwise, generating the rotation movement is generated by a motor (19) controlled by a frequency variator (36). Ring brush according to claims 1 and 5, characterized in that the reduction motor (19) is provided with a locking mechanism (20). A ring brush according to claim 1 characterized in that the engagement and removal of rings is performed by two sets of claws (15), associated with independent vertical shafts, i.e., an extraction shaft ( 12) and one of them is a loading shaft (13), runs parallel to a horizontal axis of displacement (14), the loading shaft (13) carrying the rings from the feed system (6) to the centering position and the extraction axis (12) actuates the conveying of the rings from the centering position to the discharge system. Ring brush according to claims 1 and 7, characterized in that the extraction shaft (12), the load axis (13), and the horizontal axis of displacement (14) are moved by (37) associated with a dedicated controller (38). A ring brush according to claim 1 characterized in that the brushing system (11) consists of: A brush (22); • A brush support device with a parallelogram and a specular guide (25); • A pneumatic tester with load cell (27); • A linear electric motor for brush movement (26); • A suction box and manifolds (23); A reducing motor (19) controlled by a frequency variator (36) for rotating the brush, which arranges brushes (22) up to 200 rms in diameter by 130 rms wide, and performs the brushing with oscillatory movement in the direction longitudinal axis, of the type that comes with a curvature of up to 150ητη, both the rotation movement and the longitudinal axis being parameterizable so as to control the two strokes, as well as the brushing error (the rotational rotation of the brush (22) possible in both directions, clockwise and anticlockwise, with measurable readability. A ring brush according to claims 1 and 9 characterized in that the brush (22) is brought into contact with the rings by a brush in the vertical direction, maintaining a pressure, which is maintained throughout the brushing operation) and is controlled by a pneumatic cylinder system with a load cell (27). A ring brush according to claim 1 characterized in that the feed system (6) is composed of: • A var a (28); A pneumatic cylinder (29) which pushes the rings along the rod (28) for withdrawal, wherein the rod (28) with polishing rings is manually placed in the machine support parts, and (29) which empties the rings along the rod (28), which is self-aligned and positioned at the end of the machine at each end load, will push the rings into the ring manipulating system (5) so that the rings can be r etted. A ring brush according to claim 1 characterized in that the discharge system (8) is operated after the brushing of the rings (2) is performed by: (1) an actuator (31); • An alarm clock (30); • A guide 32, the brushed rings being disposed on the magazine 31 so that they can be withdrawn from the machine already aligned by means of the claws 15 of the extraction shaft 12, , which pushes the brushing rings in succession; the rings upon being screwed down by a guide 32 to the rod 28 which is manually placed empty in the extractor brackets 39 and then rerolled manually rrent e. A ring brush according to claim 1 characterized in that the blowing system (3) is corrugated and controlled by a flow regulator (21), which can blow through the entire brushing process to reduce the ring temperature. A ring brush according to claim 1 characterized in that the security system (4) is corrugated by a corrugated cover (1), having apertures for entering and exiting the rings, runs a door, protected by a safety interlock, which in case of opening will stop the whole system, as well as an emergency stop button. A ring brush according to claim 1, characterized in that it is controlled by a grid (24) connected to the frequency variators (36) and to the touch interface PRCFI BUS, I NTERBUS, CANBUS communication protocol, with an Ethernet connection port for remote connection to the network via VPN protocol. The Ring Brush according to claim 1 is characterized in that it is connected to the general exhaust system of the plant or to a dedicated exhaust fan. 17. The operating mode of the ring brush is to operate by means of a rotary cutter in the following steps: • Connect the invention and proceed through the rotary program (7) to the fixing of the five axes with position encoder; • Attach the transport shafts (axes 12, 13 and 14) and post-erre rrent and the brush shafts (axes 26 and 27); • In the software program the desired operation will be dis- played, and the movement, direction, pressure, velocity and speed desired for the brushing of the rings; • Cranks are pushed by the pneumatic cylinder which pushes the rings into the loading zone, and only when confirmed in this zone does the pneumatic cylinder which pushes away; • The rings are transported from the loading zone gripped by the grippers (15) of the load shaft (13) through the transport zone to the polymer zone; • When in the pol- i rrent zone, the carriage advances automatically and the centering system by jaws (17) closes, allowing the transport jaws (15) to come out leaving the space clear for the operator to 18) advance and tighten the rings so that they remain in position; • After confirmation of the tightening of the segment in the computer program the claw centering system (17) opens, recedes and executes the polishing program requested through the computer program; • After polishing, the claw centering system (17) advances and closes and then instructs the operator (18) to loosen the segments; The extraction shaft (14) then places its claws (15) in a position to collect the rings, what happens next when the claw centering system (17) opens and withdraws, allowing the rings to be transported from the zone of charge to the generator (31). The operation of the ring brush according to claim 17 is performed by manually operating rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr. Lisbon, August 13, 2015