CN110927061A - A crucible crack detection system - Google Patents

Abstract

The invention discloses a crucible crack detection system, which comprises: the reciprocating mechanism is arranged on the fixed frame, the lifting mechanism is arranged on the reciprocating mechanism and moves left and right along with the reciprocating mechanism, the clamping mechanism is arranged below the lifting mechanism, and the pressure sensor is arranged on the clamping mechanism. The invention can automatically and accurately detect the crack condition of the crucible, saves the labor cost and avoids the adverse effect of the crack crucible on the subsequent production.

Description

A crucible crack detection system

technical field

The invention relates to the technical field of boilers, in particular to a crucible crack detection system.

Background technique

In the field of pearl powder production, there is a process of putting the raw meal into a high-temperature furnace for heating and drying. Since the temperature in the furnace is about 850 °C, the container for the powder is made of materials that can withstand high temperature. In actual production, this kind of The material is mostly ceramic crucible.

Since the crucible needs to be reused, and the crucible itself has internal defects in a high temperature environment, it will further expand, resulting in cracks. The cracks vary in size and shape. Once the crucible with cracks enters the high temperature furnace, there is the possibility of breaking. The broken pieces of the crucible in the furnace will block the progress of the subsequent crucibles and damage the roller table in the furnace, so the furnace has to be stopped for cleaning, which affects the output.

At present, crucibles with cracks on the surface are manually identified, but there is still no way for the cracks hidden inside the crucibles. It is also a great challenge to people's physical and mental energy just to identify the cracks on the surface.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a crucible crack detection system.

To achieve the above object, the present invention adopts the following content:

A crucible crack detection system includes: a fixed frame, a reciprocating mechanism, a lifting mechanism, a pressure sensor and a clamping mechanism, the fixed frame is provided with a reciprocating mechanism, the lifting mechanism is arranged on the reciprocating mechanism, the The mechanism controls the lifting mechanism to move left and right, and a clamping mechanism is arranged below the lifting mechanism. The lifting mechanism controls the clamping mechanism to move up and down. The clamping mechanism is used to clamp the crucible. A pressure sensor is installed on the mechanism.

Preferably, the reciprocating mechanism comprises a reciprocating cylinder, a blocking cylinder, a piston rod and a guide shaft, the reciprocating cylinder, the blocking cylinder and the guiding shaft are all fixedly arranged on the fixed frame, and the reciprocating cylinder and the blocking cylinder are located at On the opposite side of the fixed frame, the guide shaft is located between the reciprocating cylinder and the blocking cylinder, one end of the piston rod is adapted to the reciprocating cylinder, and the other end is adapted to the blocking cylinder ; The lifting mechanism includes a base, a lifting cylinder and a lifting guide column, the base is fixedly connected with the piston rod, the two ends of the base are provided with sliding blocks that match the guide shaft, the A clamping mechanism is fixedly arranged below the base, and the base can move along the guide shafts at both ends of the base under the interaction force of the reciprocating cylinder and the blocking cylinder on the piston rod.

Preferably, a support frame is provided under the reciprocating cylinder and/or the blocking cylinder, the support frame is in the shape of a regular triangle, and the support frame is fixedly connected with the fixing frame by bolts.

Preferably, the clamping mechanism includes a clamping electric cylinder, a connecting plate, a support column, a base plate, and no less than three clamping arms to form a clamping arm group and a clamping plate, and the connecting plate is formed by connecting and assembling the support column and the base plate. A clamping electric cylinder accommodating platform, the clamping electric cylinder accommodating platform and the lifting guide column are fixedly connected by bolts, the clamping electric cylinders are arranged in the clamping electric cylinder accommodating platform, and one end of each clamping arm is Both are movably connected with the clamping electric cylinder through the pin shaft, and the other end is provided with a clamping plate, the clamping plate is provided with a pressure sensor, the clamping arm and the bottom plate are movably connected through the pin shaft, and the clamping electric cylinder is movably connected through the clamping plate. Controls the opening and closing of the gripping arm group.

Preferably, the clamping arm includes a first clamping arm and a second clamping arm, one end of the first clamping arm is movably connected to the electric clamping cylinder through a pin, and the other end of the first clamping arm is movably connected to the electric clamping cylinder. One end is connected to one end of the second clamping arm through a pin, the other end of the second clamping arm is connected to the clamping plate through a pin, and the second clamping arm and the bottom plate are movably connected through a pin.

Preferably, there are four clamping arms, which are evenly distributed in the front, rear, left and right directions of the clamping electric cylinder.

Preferably, there are two pressure sensors, which are respectively arranged on the clamping plates of the adjacent clamping arms.

The present invention has the following advantages:

1. The system realizes the force of clamping the crucible by controlling the torque of the clamping electric cylinder, and by setting the threshold of the force, the crucible with cracks can be crushed to avoid the adverse effects of the cracked crucible on subsequent production;

2. The system intelligently inspects the existing cracks of the crucible, avoiding manual inspection and saving labor costs;

3. The system realizes the detection of cracks in two directions of the crucible through the pressure sensors in two directions, and detects the cracks of the crucible more accurately.

Description of drawings

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

1 is a front view of a crucible crack detection system of the present invention;

Fig. 2 is the structural representation of a kind of crucible crack detection system of the present invention;

Fig. 3 is the structural representation of a kind of crucible crack detection system of the present invention;

In the figure, the reference signs are:

1- Reciprocating cylinder, 2- Lifting cylinder, 3- Blocking cylinder, 4- Guide shaft, 5- Clamping electric cylinder, 6- Base, 7- Piston rod, 8- Slide block, 9- Connecting plate, 10- Column, 11-base plate, 12-clamping arm, 13-clamping plate, 14-lifting guide column, 15-first clamping arm, 16-second clamping arm, 17-pressure sensor, 18-electric cylinder rod , 19-support frame, 20-fixed frame.

Detailed ways

In order to illustrate the present invention more clearly, the present invention will be further described below with reference to the preferred embodiments. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that The device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in FIG. 1 to FIG. 3, a crucible crack detection system includes: a fixed frame 20, a reciprocating mechanism, a lifting mechanism, a pressure sensor and a clamping mechanism, the fixed frame 20 is provided with a reciprocating mechanism, and the reciprocating mechanism controls the lifting and lowering mechanism. The mechanism has left and right displacement, and a clamping mechanism is arranged under the lifting mechanism. The lifting mechanism controls the clamping mechanism to move up and down. The clamping mechanism is used to clamp the crucible. The clamping mechanism is provided with a pressure sensor 17. 17 and the clamping mechanism are all connected with the plc device, and the mutual cooperation between the reciprocating mechanism, the lifting mechanism, the pressure sensor 17 and the clamping mechanism is controlled by the plc device.

Further, the reciprocating mechanism includes a reciprocating cylinder 1, a blocking cylinder 3, a piston rod 7 and a guide shaft 4, the reciprocating cylinder 1, the blocking cylinder 3 and the guide shaft 4 are all fixedly arranged on the fixed frame 20, and the reciprocating cylinder 1 and the blocking cylinder 3 are respectively located at On the left and right sides of the fixed frame 20, the guide shaft 4 is located between the reciprocating cylinder 1 and the blocking cylinder 3, one end of the piston rod 7 is matched with the reciprocating cylinder 1 in the reciprocating cylinder 1, and the other end is in the blocking cylinder 3 with the blocking cylinder. 3, the interaction force of the reciprocating cylinder 1 and the blocking cylinder 3 to the piston rod 7 can cause the piston rod 7 to displace, thereby driving the base 6 on the piston rod 7 to displace, thereby driving the fixed connection with the base 6. When the clamping mechanism is displaced, both ends of the base 6 are erected on the guide shaft 4 , and sliding blocks 8 matching the guide shaft 4 are provided inside the two ends of the base 6 .

Further, the clamping mechanism includes a clamping electric cylinder 5, a connecting plate 9, a support column 10, a base plate 11, four clamping arms 12, and a clamping plate 13. The connecting plate 9 is connected and assembled with the base plate 11 through the support column 10 to form a clamping electric cylinder The accommodating platform, the top of the clamping electric cylinder accommodating platform is fixedly connected with the lower end of the lifting guide column 14 through bolts, the clamping electric cylinder 5 is arranged in the clamping electric cylinder accommodating platform, and the four clamping arms 12 are evenly distributed on the clamping electric cylinder. In the front, rear, left and right directions of the cylinder 5, each clamping arm 12 includes a first clamping arm 15 and a second clamping arm 16, one end of the first clamping arm 15 is connected to the clamping electric The electric cylinder rod 18 of the cylinder 5 is movably connected, the other end of the first clamping arm 15 is connected with one end of the second clamping arm 16 through the pin shaft, and the other end of the second clamping arm 16 is connected with the clamping plate 13 through the pin shaft Connection, the first clamping arm 15 and the second holding arm 16 are both connected with the clamping electric cylinder 5, the second clamping arm 16 and the bottom plate 11 are connected by a pin, and the electric cylinder rod 18 is controlled by the clamping electric cylinder 5 Move up and down to drive the first clamping arm 15 and the second supporting arm 16 to move. Pressure sensors 17 are arranged on the clamping plates 13 of the two adjacent clamping arms 12 to sense pressure signals.

Further, a support frame 19 is provided below the reciprocating cylinder 1 and/or the blocking cylinder 3, the support frame 19 is in the shape of an equilateral triangle, and the support frame 19 and the fixing frame 20 are fixedly connected by bolts.

When in use, the left side conveyor line, the crucible debris collection box, and the right side conveyor line are sequentially arranged below the fixed frame 20 from left to right. The cylinder 1 and the blocking cylinder 3 start to operate. Under the interaction between the reciprocating cylinder 1 and the blocking cylinder 3, the piston rod 7 drives the base 6 to move along the guide shaft 4 to the leftmost end of the guide shaft 4, and then the jacking cylinder 2 starts to operate. , the lifting guide column 14 descends and drives the clamping electric cylinder accommodating platform to move down to the designated position. At the same time, when the clamping electric cylinder receives the clamping action signal, the electric cylinder rod of the clamping electric cylinder retracts, which in turn drives the first clamp The gripping arm and the second gripping arm move (the electric cylinder rod, the first gripping arm, the second gripping arm, and the bottom plate are connected by a pin shaft, and rotate around the pin shaft), so that the gripping plate moves closer to the middle, and the completion is completed. After clamping, the lifting guide column 14 of the jacking cylinder 2 rises, and under the interaction of the reciprocating cylinder 1 and the blocking cylinder 3, the piston rod 7 drives the base 6 to move along the guide shaft 4 to the middle position of the guide shaft 4. The clamping electric cylinder 5 applies torque, and the pressure sensor 17 installed on the clamping plate 13 converts the sensed pressure signal into an electrical signal and transmits it to the plc device in real time, until the pressure value reaches the preset torque threshold value of the crucible, the plc device Only then will the clamping electric cylinder 5 be controlled to stop applying torque. When there is no crack in the crucible, within the torque threshold range, the crucible will not be broken, and then the piston rod 7 drives the base 6 to move along the guide shaft 4 to the direction of the guide shaft 4 under the interaction between the reciprocating cylinder 1 and the blocking cylinder 3. At the far right end, the lifting guide column 14 of the jacking cylinder 2 descends to the designated position, and at the same time the clamping electric cylinder 5 receives the release action signal, the electric cylinder rod 18 of the clamping electric cylinder 5 extends, and drives the first clamping arm, The second gripping arm moves to move the gripping plate 13 to the outside, complete the release, and place the crucible on the conveying line on the right. In the whole process, the photoelectric switch, the reciprocating cylinder 1, the blocking cylinder 3 and the clamping cylinder 5 are all connected to the plc device, and the plc device controls the photoelectric switch, the reciprocating cylinder, the blocking cylinder and the clamping cylinder to cooperate with each other. The technical means known in the field will not be described in detail here.

An embodiment of a crucible crack detection system of the present invention, the above embodiment is only an example to clearly illustrate the present invention, rather than a limitation to the implementation of the present invention. On the basis of the description, other different forms of changes or changes can also be made. It is impossible to list all the embodiments here. Any obvious changes or changes that belong to the technical solutions of the present invention are still within the protection scope of the present invention. column.

Claims (7)

1. A crucible crack detection system, comprising: the crucible lifting device comprises a fixed frame, a reciprocating mechanism, a lifting mechanism, a pressure sensor and a clamping mechanism, wherein the reciprocating mechanism is arranged on the fixed frame, the lifting mechanism is arranged on the reciprocating mechanism and controls the lifting mechanism to move left and right, the clamping mechanism is arranged below the lifting mechanism and controls the clamping mechanism to move up and down, the clamping mechanism is used for clamping a crucible, and the pressure sensor is arranged on the clamping mechanism.

2. The crucible crack detection system as claimed in claim 1, wherein the reciprocating mechanism comprises a reciprocating cylinder, a blocking cylinder, a piston rod and a guide shaft, the reciprocating cylinder, the blocking cylinder and the guide shaft are all fixedly arranged on the fixed frame, the reciprocating cylinder and the blocking cylinder are arranged at opposite sides of the fixed frame, the guide shaft is arranged between the reciprocating cylinder and the blocking cylinder, one end of the piston rod is matched with the reciprocating cylinder, and the other end of the piston rod is matched with the blocking cylinder; the lifting mechanism comprises a base, a jacking cylinder and a lifting guide post, the base is fixedly connected with the piston rod, sliding blocks matched with the guide shafts are arranged at two ends of the base, a clamping mechanism is fixedly arranged below the base, and the base can move along the guide shafts at two ends of the base under the interaction force of the reciprocating cylinder and the blocking cylinder on the piston rod.

3. The crucible crack detection system of claim 2, wherein a support frame is arranged below the reciprocating cylinder and/or the blocking cylinder, the support frame is in a regular triangle shape, and the support frame is fixedly connected with the fixed frame through bolts.

4. The crucible crack detection system according to claim 2, wherein the clamping mechanism comprises a clamping electric cylinder, a connecting plate, a supporting column, a bottom plate, and at least three clamping arms, wherein the clamping arm group and the clamping plate are formed by connecting and assembling the connecting plate and the bottom plate through the supporting column, the clamping electric cylinder accommodating platform is fixedly connected with the lifting guide column through a bolt, the clamping electric cylinder is arranged in the clamping electric cylinder accommodating platform, one end of each clamping arm is movably connected with the clamping electric cylinder through a pin shaft, the other end of each clamping arm is provided with the clamping plate, the clamping plate is provided with a pressure sensor, the clamping arms are movably connected with the bottom plate through pin shafts, and the clamping electric cylinder controls the clamping arm group to be opened and closed.

5. The crucible crack detection system of claim 4, wherein the holding arms comprise a first holding arm and a second holding arm, one end of the first holding arm is movably connected with the clamping electric cylinder through a pin shaft, the other end of the first holding arm is connected with one end of the second holding arm through a pin shaft, the other end of the second holding arm is connected with the holding plate through a pin shaft, and the second holding arm is movably connected with the bottom plate through a pin shaft.

6. The crucible crack detection system of claim 4, wherein the number of the holding arms is four, and the four holding arms are uniformly distributed in the front, back, left and right directions of the clamping electric cylinder.

7. The crucible crack detection system of claim 4, wherein the two pressure sensors are respectively arranged on the clamping plates of the adjacent clamping arms.

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