CN103753340A - Automatic processing and feeding system of valves - Google Patents

Abstract

The invention discloses a valve automatic processing and feeding system, which includes a turning mechanism for turning up a material box to drop a valve to be processed; a feeding mechanism for receiving the valve to be processed falling from the turning mechanism and sending it out quantitatively; The lifting mechanism is provided with a tilting lifting frame, and the lifting frame is provided with a tilting transmission mechanism, and the transmission mechanism transmits the valve to be processed from the feeding mechanism from the bottom of the lifting frame to the top under the action of a driver The whole material sorting mechanism is used to receive the valves to be processed from the top of the lifting frame and perform vibration sorting, so that the valves to be processed are transported to the clamping position one by one; the robot is provided with a base and a clamping mechanism connected with the base. The taking mechanism is provided with at least two grippers. The processing and feeding system of the present invention can greatly improve production efficiency, yield and production safety.

Description

Valve automatic processing and feeding system

technical field

The invention relates to the technical field of valve processing equipment, in particular to a valve automatic processing and feeding system.

Background technique

Valves are devices with a wide range of applications. With the development of industry, the demand for valves is also increasing, so the production volume of valve manufacturers is also increasing.

At present, in the production and processing process of valves, it is necessary to carry out post-processing on the semi-finished valves cast by die-casting machines, such as tapping threads, etc. During the post-processing of valves, all materials are manually loaded, that is, manual methods are used. Load the material to the valve processing machine, and perform the operations of turning, milling and tapping on the valve. This manual operation method has the problems of low production efficiency, low yield rate, low safety and reliability, and manual operation of the machine tool is likely to cause work-related accidents.

It can be seen that how to provide an automatic valve processing and feeding system to improve production efficiency, product qualification rate and safety is an important technical problem to be solved in this field.

Contents of the invention

The object of the present invention is to provide an automatic valve processing and feeding system, which is used for automatic feeding to valve processing machines, so as to improve production efficiency, product qualification rate and safety.

For solving above technical problem, technical scheme of the present invention is:

A valve automatic processing and feeding system, comprising:

The turning mechanism is provided with a base and a turning frame that can rotate around the rotating shaft on the base, and the turning frame is used to fix the material box equipped with the valve to be processed;

The feeding mechanism is used to receive the valve to be processed falling from the material box when the turning frame rotates and send it out quantitatively;

The lifting mechanism is provided with a tilting lifting frame, and the lifting frame is provided with a tilting transmission mechanism, and the transmission mechanism transfers the valve to be processed from the feeding mechanism to the Bottom teleports to top;

The whole material sorting mechanism is used to receive the valves to be processed from the top of the lifting frame and perform vibration sorting, so that the valves to be processed are transported to the clamping position one by one;

A robot with a gripping mechanism, the gripping mechanism is provided with at least two grippers, one of which is used to grip the processed valve on the valve processing machine, and the other gripper is used to grip the valve located on the gripper Take the valve to be processed and put it on the processing position of the valve processing machine.

Preferably, the overturning mechanism, the feeding mechanism, the lifting mechanism, the whole material sorting mechanism, and the robot with a gripping mechanism are all arranged in a closed guardrail, and the closed guardrail is provided with a safety door.

Preferably, the feeding mechanism is provided with a hopper, and the bottom plate of the hopper is an inclined plate body, and the lower position of the bottom plate is set close to the outlet of the hopper, and the lower position of the bottom plate is A through hole is provided at the bottom of the through hole, and a tooth-shaped monolithic plate is provided below the through hole. A plurality of small teeth are provided on the upper surface of the tooth-shaped monolithic plate, and the small teeth are exposed in the inner space of the hopper. When the valve to be processed contacts, the lower surface of the tooth-shaped monolithic plate is provided with a connecting piece, and the connecting piece is connected to a cylinder, and the toothed monolithic plate is driven by the cylinder to reciprocate along a guide rail.

Preferably, a buffer for reducing the sliding speed and sliding flow of the valve to be processed is also provided at the discharge port.

Preferably, the lifting mechanism is provided with a hopper, and the hopper is arranged at the bottom end of the lifting frame and below the outlet of the feeding mechanism.

Preferably, the transmission mechanism of the lifting mechanism is a sprocket mechanism, the chain of the sprocket mechanism is provided with a chain plate, and the chain plate is provided with a scraper protruding from the surface of the chain plate.

Preferably, a support is also provided in the lifting mechanism, and the lifting frame is arranged obliquely on the support, and the support includes a bottom plate and a side plate connected to each other, and the side plate is connected with a tooth bar, and the tooth One end of the rod is connected with the side plate through an adjusting nut, and the other end is connected with the lifting frame.

Preferably, the whole material sorting mechanism is provided with a whole material tray and a direct vibration guide rail, one end of the direct vibration guide rail is connected to the discharge port of the whole material tray, and the other end is connected to a detection device, and the detection device is provided with The sensor is used to detect whether the valve to be processed has reached the clamping position.

Preferably, the detection device is further provided with a baffle to block the movement of the valve to be processed, and a cylinder is provided on the top of the baffle to reciprocate longitudinally along the baffle.

Preferably, the clamping mechanism is provided with an air blowing device, and the air blowing device is used to blow air to the valve to be processed to blow off chips on the valve to be processed.

Compared with the prior art, the valve automatic processing and feeding system of the present invention has the following advantages:

Strong versatility: 8 valves of different sizes can be processed without replacing any parts, which greatly reduces the cost of equipment procurement.

High production efficiency: It only takes 6 seconds to process a valve, while manual production takes 15 seconds in the prior art. It can be seen that this embodiment fully doubles the production capacity;

High yield rate: The prior art uses manual feeding for processing and production, which can only achieve a yield rate of 85%, while the processing system of this embodiment can achieve a yield rate of 99%, and the automated line can produce 24 hours a day.

Safe and reliable: In the original production mode, because workers and equipment work in the same area, it is easy for workers to inhale a large amount of copper powder or accidentally cause industrial accidents when operating equipment. After the improvement, not only workers and equipment work in different areas, safety protection is in place, but also the work of workers is changed from the original operation work to supervision work, the work intensity is greatly reduced, and the health and safety of workers are guaranteed;

Low energy loss rate: In the prior art, the processing of valves is done by workers with production conveyor lines (good products, defective products, blanks), and the conveyor lines are produced around the machining center; while the processing system in this embodiment uses automated machines for production, The energy consumption is reduced from 15KW/H to 7.5KW/H, and there is no need to stop and replace the production line when changing different products.

Description of drawings

Fig. 1 is a schematic structural view of an embodiment of the valve automatic processing and feeding system of the present invention; Fig. 2 is a structural schematic view of the turning mechanism in Fig. 1;

Fig. 3 is a side view of the turning mechanism in Fig. 2;

Fig. 4 is the structural representation of the feeding mechanism in Fig. 1;

Fig. 5 is a side view of the feeding mechanism in Fig. 4;

Fig. 6 is the A-A sectional view of feeding mechanism among Fig. 5;

Figure 7 is an enlarged view at B in Figure 6;

Fig. 8 is a structural schematic diagram of the lifting mechanism in Fig. 1;

Fig. 9 is a side view of the lifting mechanism in Fig. 8;

Fig. 10 is a C-C sectional view of the lifting mechanism in Fig. 9;

Fig. 11 is an enlarged view at D of the lifting mechanism in Fig. 10;

Fig. 12 is a schematic structural view of the whole material sorting mechanism in Fig. 1;

Fig. 13 is a side view of the monolith sorting mechanism in Fig. 12;

Fig. 14 is a schematic structural view of the detection device in Fig. 13;

Fig. 15 is a side view of the detection device in Fig. 14 .

Fig. 16 is a schematic structural diagram of the robot in Fig. 1;

Fig. 17 is a schematic structural view of the clamping mechanism in Fig. 1;

FIG. 18 is a side view of the clamping mechanism in FIG. 17 .

Detailed ways

In order to make the technical solution of the present invention clearer, the present invention will be described in detail below through specific embodiments in conjunction with the accompanying drawings.

The valve automatic processing and feeding system in this embodiment is used to transport and arrange the valves to be processed (that is, valve semi-finished products), and make them automatically and orderly load materials to the valve processing machine for subsequent processing—tapping.

Referring to Fig. 1, the valve automatic processing and feeding system in this embodiment includes a turning mechanism 1, a feeding mechanism 2, a lifting mechanism 3, a vibration sorting machine 4, a robot 5 with a clamping mechanism 6, and a control system (not shown in the figure). Out), the aforementioned mechanisms and the rotary multi-station valve processing machine 7 are placed in the fully enclosed guardrail 8, and the fully enclosed guardrail 8 is also provided with a first safety door 81 and a second safety door 82; in the fully enclosed guardrail A finished product basket 9 is also provided near the position of the robot 5 for receiving the finished valve processed by the rotary multi-station valve processing machine 7 .

Wherein, referring to FIG. 2 to FIG. 3 , the turning mechanism 1 in this embodiment is used to receive the valve to be processed and turn over the container in which the valve to be processed is placed, so that the valve to be processed is poured into the feeding mechanism. Turning mechanism 1 comprises base 11, the turning frame 12 that is positioned at base 11 tops, the rotating shaft 13 that is arranged on the turning frame side, is arranged on the bin 14 that is arranged on turning frame 13 tops, the jacking oil cylinder 15 that is connected with turning frame 12. The overturn frame 12 includes a base plate 12a and a side plate 12b, and the feed box 14 is fixed above the base plate 12a; the side plate 12b is provided with several guide plates arranged at intervals near the side of the rotating shaft, and the guide plate is provided with a guide plate that cooperates with the rotating shaft 13. Under the action of the jacking oil cylinder 15, the overturn frame 12 turns over around the rotating shaft 13, and drives the material box 14 to rotate together, thereby pouring the valve to be processed in the material box 14 into the feeding mechanism 2. Base 11 comprises front base 11a, rear base 11b, and the top of front base 11a is higher than the top of rear base 11b, and described rotating shaft 13 is arranged on the front base 11a, and overturn frame 12 is positioned on rear base 11b, but with front base 11a Connect, rotating shaft 13 is also arranged on the front base 11a; There is a gap between the bottom of the flip frame 12 and the top of the rear base 11b, which is convenient for the flip frame to reset after overturning, and will not hit the top of the rear base when resetting. Wherein, the jacking oil cylinder 15 is arranged obliquely, and its bottom is connected with the side away from the rotating shaft 13 on the bottom of the base, and its top is connected with the side near the rotating shaft 13 on the bottom of the turning frame 12 . In this embodiment, the overturning mechanism 1 is provided with a safety device that automatically returns to the origin when there is no power, and through this device, the material box returns to its original position when it is not overturned. When in use, the material box filled with valves to be processed is placed on the turning mechanism by a forklift.

Wherein, referring to FIGS. 4 to 7 , the feeding mechanism 2 in this embodiment is used to receive the valves to be processed from the turning mechanism, and feed the valves to be processed to the lifting mechanism 3 at a certain speed. Feeding mechanism 2 comprises base 21, the feed hopper 22 that is arranged on base 21, and the bottom plate 22a of feed hopper 22 is the plate body that is inclined to arrange, and feed hopper 22 is provided with discharge port 22c, and discharge port 22c is close to feed hopper 22 The bottom plate 22a of the bottom plate 22a is set at a low position; a buffer 23 is arranged outside the hopper 22 near the discharge port 22c, and the buffer 23 can reduce the sliding speed, The action of the impulse force makes a plurality of valves to be processed flow out from the discharge port at a certain sliding speed and a certain downward flow rate; in addition, the connection position of the buffer 23 and the hopper is adjustable to adapt to different sizes of the valves to be processed; A through-hole 22b is provided on the bottom plate 22a near the discharge port, and a tooth-shaped monolithic plate 24 is provided below the through-hole 22b. In the cavity, it is in contact with the valve to be processed; the lower end of the toothed monolithic plate 24 is connected to a straight cylinder 25, driven by the straight cylinder 25, the toothed monolithic plate 24 can reciprocate along the guide rail, When moving in the direction, the valves to be processed can be pushed to move in an orderly manner to the discharge port, preventing the valves to be processed from gathering at the discharge port and causing blockage. The feeding mechanism of this embodiment is also provided with a feeding early warning device, which sends a feeding warning signal when the material in the feeding hopper is insufficient, and the turning mechanism feeds the feeding hopper of the feeding mechanism.

Wherein, referring to Figs. 8 to 11, the lifting mechanism 3 in this embodiment includes an adjustable bracket 31, a lifting frame 32 obliquely arranged on the adjustable bracket 31, and a transmission mechanism is arranged in the lifting frame 32, and the transmission mechanism includes Driving wheel 35, driven wheel 36 and the chain that is connected between driving wheel 35 and driven wheel 36, chain plate 37 is set on the chain, and the surface of chain plate 37 is provided with the scraper 38 that a plurality of intervals are arranged, and scraper 38 protrudes from The surface setting of the chain plate 37 can prevent the valve to be processed in the transportation from sliding; the driving wheel 35 is arranged on the bottom of the lifting frame 32, and the driven wheel 36 is arranged on the top of the lifting frame 32, and the driving wheel 35 is connected with a motor 34; One side of the bottom end of frame 32 is connected with the bottom of adjustable support 31, and the other side is connected with a hopper 33; Valve; a chain plate tensioning and balancer 39 is provided at the position near the driven wheel on both sides of the top of the lifting frame 32 . The adjustable bracket 31 includes a bracket body 31a, a tooth bar 31b connected to the bracket body 31a through an adjustment nut 31c, the other end of the tooth bar 31b is connected to the lifting frame 32, and the lifting frame can be adjusted by adjusting the connection position between the tooth bar 31b and the bracket body the inclination. Under the action of the transmission mechanism, the valves to be processed in the hopper 33 are lifted from the bottom of the lifting frame to the top, and then sent into the whole material sorting mechanism 4 .

Wherein, referring to FIGS. 12 to 15 , the monolithic sorting mechanism 4 in this embodiment includes a support base 41 , a monolithic tray 42 arranged on the support seat 41 , and a robot clamping conversion position 43 located next to the monolithic tray 42 . A direct vibration guide rail 45 is arranged at the discharge port of the monolithic tray 42 , and a detection device 44 is arranged at the exit of the direct vibration guide rail 45 . The whole material tray 42 is a standard part of the prior art, which has a vibration sorting function, and the valves to be processed from the lifting mechanism are vibrated and sorted, so that they are transported to the discharge port one by one; the direct vibration guide rail 45 and the discharge port Connect, and continue to vibrate the valve to be processed coming out of the discharge port and transport it forward. The detection device 44 is used to detect whether the valve to be processed is conveyed in place, and restricts the valve to be processed to continue to move forward; Support 44a, the limit plate 44b arranged on the support 44a, the cylinder 44c connected to the upper end of the limit plate 44b, the limit plate 44b can move up and down under the drive of the cylinder 44c, when the valve to be processed needs to be pinched away, the cylinder Drive the limit plate 44b to move upwards; the robot clamping conversion position 43 is used to temporarily place the valve to be processed when the robot switches the gripper. The material tray in this embodiment adopts the principle of motor vibration vortex to gradually arrange the valves to be processed to the same direction, and then send them to the direct vibration guide rail. At this time, each valve to be processed has been arranged in a consistent manner; The processed valves are inspected and eliminated for defective products, and the defective products are automatically pushed into the collection box to be sent out; after the inspection of good products is completed, the valves are automatically guided into the robot to pick up the position and wait.

Wherein, the robot 5 in this embodiment adopts a six-axis robot, which includes a base 51 , a first axis 52 , a second axis 53 , a third axis 54 , a fourth axis 55 , a fifth axis 56 , and a sixth axis 57 . The six-axis robot can be a robot in the prior art, such as ABB's model IRB140F robot; of course, it is not limited to this type of robot in actual implementation, and other types of robots produced by other manufacturers can be used.

Wherein, the gripping mechanism 2 in this embodiment includes a columnar gripping body 21, a flange 61a disposed at one end of the gripping body 21, and two gripping hands 62 disposed at the other end of the gripping body 61, each Each gripper is provided with two gripping fingers 63 capable of flexible gripping. Each gripper is driven by a waterproof mist cylinder, and each cylinder is equipped with a magnetic induction proximity switch, which is used to judge whether the gripper has gripped the valve to be processed. One of the two grippers is used to grab the valve E to be processed, and the other gripper grabs the valve E that has been processed. When the whole material sorting mechanism vibrates the valve to be processed to the discharge port, the robot's material detection sensor will start to run after receiving the signal, grab the valve to be processed with one hand, move it to the processing center, and use another Take out the processed valve products with one hand, and put the valves to be processed into the processing position for processing. The robot then puts the processed valve products into the designated finished product basket 9 and returns to the robot’s origin position. Standby, enter the next cycle. The clamping mechanism in this embodiment is also provided with an air blowing device, which is used to blow air to the clamped valve to be processed, so as to blow off the residual copper powder on the surface of the valve.

In this embodiment, the rotary multi-station valve processing machine 7 is used for tapping the valve to be processed. The processing machine is a rotary processing machine with four processing positions 71. When in use, the processing machine rotates, Turn a processing station next to the gripping mechanism of the robot. The processing machine in this embodiment is a commercially available machine in the prior art, and its specific structure will not be repeated here. In other embodiments, more processing positions may also be provided.

The control system set up in this embodiment is used to receive and process the induction signals sent by the above components, and then issue control commands to each action actuator according to a predetermined control strategy.

The working process of this embodiment is as follows:

In the actual implementation process, the forklift puts the material box 14 equipped with the valve to be processed on the turning mechanism 1, and the turning mechanism 1 turns the material box 14 at a certain angle, so that the valve to be processed in the material box falls into the feeding hopper of the feeding mechanism 2 22, then the valve to be processed flows out from the discharge port of the hopper 22 to the lifting hopper 33 of the lifting mechanism 3 at a certain speed, is transported to the top of the lifting frame through the transmission mechanism set in the lifting mechanism, and then falls into the whole material sorting In the whole material tray of mechanism 4, after the action of the whole material tray, the valves to be processed move out from the discharge port one by one, and the robot clamps it to the robot clamping conversion position through a gripper in the clamping mechanism, and then the robot Change another gripper to grip the valve to be processed and send it to the rotary multi-station valve processing machine 7 for processing. After processing, the gripper of the robot grips the finished valve and puts it into the finished product. In the material basket 9, thereby finish the automatic processing of valve.

In this embodiment, due to the use of a fully enclosed safety guardrail, which is used together with a safety door with a safety bolt, the risk of workers and equipment working in the same working area at the same time is completely avoided. Once there are workers in the equipment production area, all equipment will stop urgently and respond to the alarm. All equipment automatically returns to the original position and stands by.

The processing and feeding system of this embodiment has the following advantages:

Strong versatility: 8 valves of different sizes can be processed without replacing any parts, which greatly reduces the cost of equipment procurement.

High production efficiency: It only takes 6 seconds to process a valve, while manual production takes 15 seconds in the prior art. It can be seen that this embodiment fully doubles the production capacity;

High yield rate: The prior art uses manual feeding for processing and production, which can only achieve a yield rate of 85%, while the processing system of this embodiment can achieve a yield rate of 99%, and the automated line can produce 24 hours a day.

Safe and reliable: In the original production mode, because workers and equipment work in the same area, it is easy for workers to inhale a large amount of copper powder or accidentally cause industrial accidents when operating equipment. After the improvement, not only workers and equipment work in different areas, safety protection is in place, but also the work of workers is changed from the original operation work to supervision work, the work intensity is greatly reduced, and the health and safety of workers are guaranteed;

Low energy loss rate: In the prior art, the processing of valves is done by workers with production conveyor lines (good products, defective products, blanks), and the conveyor lines are produced around the machining center; while the processing system in this embodiment uses automated machines for production, The energy consumption is reduced from 15KW/H to 7.5KW/H, and there is no need to stop and replace the production line when changing different products.

The above are only preferred implementations of the present invention, and it should be noted that the above preferred implementations should not be regarded as limiting the present invention, and the scope of protection of the present invention should be based on the scope defined in the claims. For those skilled in the art, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims (10)

1. A valve automatic processing and feeding system, characterized in that it comprises: The turning mechanism is provided with a base and a turning frame that can rotate around the rotating shaft on the base, and the turning frame is used to fix the material box equipped with the valve to be processed; The feeding mechanism is used to receive the valve to be processed falling from the material box when the turning frame rotates and send it out quantitatively; The lifting mechanism is provided with a tilting lifting frame, and the lifting frame is provided with a tilting transmission mechanism, and the transmission mechanism transfers the valve to be processed from the feeding mechanism to the Bottom teleports to top; The whole material sorting mechanism is used to receive the valves to be processed from the top of the lifting frame and perform vibration sorting, so that the valves to be processed are transported to the clamping position one by one; A robot with a gripping mechanism, the gripping mechanism is provided with at least two grippers, one of which is used to grip the processed valve on the valve processing machine, and the other gripper is used to grip the valve located on the gripper Take the valve to be processed and put it on the processing position of the valve processing machine. 2. The valve automatic processing and feeding system according to claim 1, characterized in that, the turning mechanism, the feeding mechanism, the lifting mechanism, the whole material sorting mechanism, and the robot with the clamping mechanism are all arranged in a closed protective fence Among them, the closed guardrail is provided with a safety door. 3. The automatic processing and feeding system for valves as claimed in claim 1, wherein the feeding mechanism is provided with a hopper, the bottom plate of the hopper is an inclined plate body, and the lower position of the bottom plate is Set close to the outlet of the hopper, a through hole is provided at the lower position of the bottom plate, a toothed monolithic plate is provided below the through hole, and a plurality of toothed monolithic plates are provided on the upper surface of the toothed monolithic plate. Small teeth, the small teeth are exposed in the inner space of the hopper and contact the valve to be processed, the lower surface of the tooth-shaped monolithic plate is provided with a connecting piece, the connecting piece is connected to a cylinder, and the tooth-shaped The monolithic board reciprocates along a guide rail under the drive of the cylinder. 4. The valve automatic processing and feeding system according to claim 3, wherein a buffer for reducing the sliding speed and sliding flow rate of the valve to be processed is also provided at the outlet. 5. The valve automatic processing and feeding system according to claim 1, wherein the lifting mechanism is provided with a hopper, and the hopper is arranged at the bottom of the lifting frame and is located at the outlet of the feeding mechanism. below. 6. The valve automatic processing and feeding system according to claim 1, wherein the transmission mechanism of the lifting mechanism is a sprocket mechanism, and the chain of the sprocket mechanism is provided with a chain plate, and the chain plate is There is a scraper protruding from the surface of the chain plate. 7. The valve automatic processing and feeding system according to claim 1, wherein a bracket is also provided in the lifting mechanism, the lifting frame is obliquely arranged on the bracket, and the bracket includes interconnected bottom plates And a side plate, the side plate is connected with a tooth bar, one end of the tooth bar is connected with the side plate through an adjusting nut, and the other end is connected with the lifting frame. 8. The valve automatic processing and feeding system according to claim 1, wherein the monolithic sorting mechanism is provided with a monolithic tray and a direct vibration guide rail, and one end of the direct vibration guide rail is connected to the output of the monolithic tray. The material port is connected, and the other end is connected with a detection device, and the detection device is provided with a sensor, and the sensor is used to detect whether the valve to be processed has reached the clamping position. 9. The valve automatic processing and feeding system according to claim 8, characterized in that, the detection device is also provided with a baffle to block the movement of the valve to be processed, and the top of the baffle is provided along the longitudinal direction of the baffle. Reciprocating cylinder. 10. The valve automatic processing and feeding system according to claim 1, characterized in that, the clamping mechanism is provided with an air blowing device, and the air blowing device is used to blow air to the valve to be processed, and the valve to be processed chips blow off.

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