CN107696258B - A resistance ceramic mud rod forming system - Google Patents
A resistance ceramic mud rod forming system Download PDFInfo
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- CN107696258B CN107696258B CN201711007188.2A CN201711007188A CN107696258B CN 107696258 B CN107696258 B CN 107696258B CN 201711007188 A CN201711007188 A CN 201711007188A CN 107696258 B CN107696258 B CN 107696258B
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- extrusion
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- conveyor belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/14—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting
- B28B11/16—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting for extrusion or for materials supplied in long webs
- B28B11/163—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting for extrusion or for materials supplied in long webs in which the cutting device is moved longitudinally with the moving strand
- B28B11/165—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting for extrusion or for materials supplied in long webs in which the cutting device is moved longitudinally with the moving strand mounted on a carrier
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The invention discloses a resistor ceramic mud rod forming system, which comprises an extrusion forming device and a cutting and conveying device, wherein the cutting and conveying device comprises: a first conveyor belt; the cutting mechanism comprises a cutting wire and a cutting cylinder; a second conveyor belt; the blowing mechanism comprises a blowing air source, a blowing pipe, a blowing control valve and a plurality of air nozzles, wherein one end of the blowing pipe is connected with the blowing air source, the other end of the blowing pipe is connected with the plurality of air nozzles, the blowing control valve is arranged on the blowing pipe, and the plurality of air nozzles are sequentially arranged along the conveying direction of the first conveying belt. According to the invention, the extrusion molding device is arranged to extrude the pugs into a column shape, the first conveyor belt conveys the resistor ceramic pugs along the extrusion direction, the resistor ceramic pugs with set length are formed by intermittently cutting the pugs by driving the cutting wires, meanwhile, the resistor ceramic pugs on the first conveyor belt are blown to the second conveyor belt by air flow generated by the plurality of air nozzles, and the resistor ceramic pugs moving longitudinally can be transited to transverse movement, so that deformation of the resistor ceramic pugs is avoided, and transitional conveying efficiency is improved.
Description
Technical Field
The invention relates to a preparation technology of a resistor ceramic white rod, in particular to a resistor ceramic mud rod forming system.
Background
In the preparation process of the resistor ceramic white rod, a plurality of components are generally prepared into a green body according to a set proportion, then the green body is extruded into a column shape through an extrusion molding device, the extruded green body can be cut into a resistor ceramic mud rod with a certain length after extrusion molding, and finally the resistor ceramic mud rod is conveyed to the next working procedure through a conveying belt. However, the existing resistor ceramic mud bars are usually manually cut, so that the cutting lengths are different easily, and the waste is serious in the subsequent treatment; in addition, in order to ensure the efficiency of the subsequent process, the cut multiple resistor ceramic mud rods need to be transitionally conveyed to the parallel-arranged bodies and then enter the next process, manual assistance is mostly adopted when the cut multiple resistor ceramic mud rods are transitionally conveyed to the parallel-arranged state in the traditional process, the resistor ceramic mud rods are easy to deform and even break, and the quality of the resistor ceramic mud rods is seriously reduced.
Disclosure of Invention
The invention aims to overcome the technical defects, provides a cutting and conveying device for a resistor ceramic mud rod, and solves the technical problem that the resistor ceramic mud rod in the prior art is easy to deform during transition conveying due to different cutting lengths.
In order to achieve the above technical purpose, the technical scheme of the invention provides a cutting and conveying device for a resistor ceramic mud rod, which comprises an extrusion device and a cutting and conveying device, wherein the cutting and conveying device comprises:
the first conveyor belt is arranged along the extrusion direction of the extrusion head of the extrusion device, and the feeding end of the first conveyor belt is matched with the extrusion head; a cutting plane perpendicular to the extrusion direction of the extrusion head is formed between the first conveyor belt and the extrusion head;
the cutting mechanism comprises a cutting wire and a cutting cylinder for driving the cutting wire to intermittently reciprocate in a cutting plane;
the feeding end of the second conveyor belt is vertically connected with the discharging end of the first conveyor belt;
the blowing mechanism comprises a blowing air source, a blowing pipe, a blowing control valve and a plurality of air nozzles, wherein one end of the blowing pipe is connected with the blowing air source, the other end of the blowing pipe is connected with the air nozzles, the blowing control valve is arranged in the blowing pipe and used for controlling the blowing pipe to conduct intermittently, and the air nozzles are sequentially arranged on one side of a first conveyor belt along the conveying direction of the first conveyor belt and can generate air flow for driving the resistor ceramic mud bars on the first conveyor belt to move to a second conveyor belt.
Compared with the prior art, the extrusion molding device is arranged to extrude mud into a column shape, the first conveyor belt conveys the resistor ceramic mud rod along the extrusion direction, the cutting wire is driven by the driving cylinder to perform intermittent reciprocating motion so as to perform intermittent cutting, thus the resistor ceramic mud rod with a set length is formed, meanwhile, the blowing mechanism is arranged to blow the resistor ceramic mud rod on the first conveyor belt to the second conveyor belt through air flow generated by a plurality of air nozzles arranged in parallel, and the resistor ceramic mud rod longitudinally moving on the first conveyor belt can be transited to the second conveyor belt transversely moving, so that the deformation of the resistor ceramic mud rod is avoided, and the transitional conveying efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the connection structure of a resistive ceramic mud rod forming system of the present invention;
FIG. 2 is a schematic view of the structure of the extrusion apparatus of the present invention;
FIG. 3 is a view in the A-A direction of FIG. 2 of the present invention;
FIG. 4 is a B-B view of FIG. 2 of the present invention;
FIG. 5 is a schematic view of the structure of the cutting and conveying apparatus of the present invention;
FIG. 6 is an enlarged cross-sectional view of the C-C of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of the structure of the U-shaped guard plate of the present invention;
FIG. 8 is a schematic structural view of a fixing plate of the present invention;
FIG. 9 is a connection block diagram of a cutting controller of the present invention;
fig. 10 is a connection block diagram of the blowing controller of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, the present invention provides a system for forming a ceramic clay rod with resistance, comprising an extrusion device 200 and a cutting and conveying device 100. The extrusion molding apparatus 200 includes a feeding mechanism 21, a double-headed extrusion mechanism 22, a lateral extrusion mechanism 23, a longitudinal extrusion mechanism 24, an extrusion head 25, and a vacuum-pumping mechanism 26.
As shown in fig. 1 to 4, the feeding mechanism 21 includes a feeding frame 211, a plurality of conveying rollers 212 and feeding guide rollers 213, the conveying rollers 212 are uniformly arranged along the length direction of the feeding frame 211, at least two feeding guide rollers 213 are provided, the feeding guide rollers 213 are arranged on the conveying side of the conveying rollers 212, and the feeding guide rollers 213 are close to the discharging end of the feeding frame 211, wherein each feeding guide roller 213 and each feeding guide roller 212 are arranged in parallel. And the plurality of conveying rollers 212 are located on a first plane, and the at least two feeding guide rollers 213 are located on a second plane, and the first plane and the second plane are arranged in parallel, so that a feeding gap 210 is formed between the feeding guide rollers 213 and the conveying rollers 212, which is convenient for the feeding guide rollers 213 to guide the strip-shaped green body, and is convenient for the strip-shaped green body to enter the double-head extrusion mechanism 22.
In order to facilitate the material of the feeding mechanism 21 to smoothly enter the double-end extrusion mechanism 22 under the action of gravity, the feeding frame 211 can be obliquely arranged, namely, an included angle of 60-75 degrees is formed between the feeding frame 211 and the horizontal plane, an included angle of 60-75 degrees, preferably 68 degrees, is formed between the first plane where the plurality of conveying rollers 212 are positioned and the horizontal plane, and the strip-shaped blank is ensured to enter the double-end extrusion mechanism 22 at a uniform speed without resistance.
The double-head pressing mechanism 22 includes a pressing housing 221, and two pressing rollers 222 which are arranged in parallel in the pressing housing 221 and can rotate reversely; therefore, the lower end of the feeding frame 211 is connected to the top end of the extrusion housing 221, and the top end of the extrusion housing 221 is provided with a feeding hole matched with the feeding gap 2100, so that the strip-shaped blank can be extruded into a smaller thickness after entering, an extrusion gap 222a is formed between the two extrusion rollers 222, and the feeding gap 210 is correspondingly arranged with the extrusion gap 222a, so that the strip-shaped blank directly falls into the extrusion gap 222a after entering along the feeding gap 210. Moreover, the extrusion gap 222a should be smaller than the feed gap 210, in particular the distance between the two extrusion rollers 222 is smaller than the distance between the first plane and the second plane, so as to facilitate extrusion of the strip-shaped blank. In order to improve the extrusion effect, the extrusion rollers 222 of the present embodiment are further provided with insections along the length direction thereof, and the mud extruded by the two extrusion rollers 222 may be substantially wavy, which is convenient for subsequent compact conveying.
The transverse extrusion mechanism 23 comprises a transverse extrusion cylinder 231 which is transversely arranged, a transverse extrusion screw 232 which is coaxially arranged in the transverse extrusion cylinder 231, a transverse extrusion motor 233 which drives the transverse extrusion screw 232 to rotate, and a transverse cooling water pipe 234 which is communicated with a transverse cooling cavity between the side walls of the transverse extrusion cylinder 231; the lower end of the extrusion shell 221 is provided with a discharge hole, and the feed inlet at the upper side of the transverse extrusion barrel 231 is connected with the discharge hole at the lower end of the extrusion shell 221, so that a corrugated blank body is extruded to enter the transverse extrusion barrel 231, and then conveying extrusion is performed through the transverse extrusion screw 232.
In order to ensure the stability of the cooperation between the double-end extrusion mechanism 22 and the transverse extrusion mechanism 23, the double-end extrusion mechanism 22 of the present embodiment further includes a driving gear 223 and a driven gear 224 which are meshed with each other, wherein the two extrusion rollers 222 have one end passing through the extrusion housing 221 and respectively connected with the driving gear 223 and the driven gear 224; the transverse extrusion mechanism 23 comprises a driving shaft 235 and a driving gear 236 sleeved on the driving shaft 235 and meshed with the driving gear 223, wherein one end of the driving shaft 235 is connected with the transverse extrusion screw 232, and the other end of the driving shaft 235 is connected with the transverse extrusion motor 233. During specific driving, the driving shaft 235 is driven by the transverse extrusion motor 233 to rotate so as to drive the transverse extrusion screw 232 and the driving gear 236 to coaxially rotate, the driving gear 236 can drive the driving gear 223 to rotate, and the driving gear 223 drives the driven gear 224 to rotate, namely, the driving gear 223 drives the transverse extrusion screw 232 and the two extrusion rollers 222 to synchronously rotate through the driving shaft 235, which is beneficial to ensuring the stability of the coordination of the transverse extrusion screw 232 and the two extrusion rollers 222, ensuring the consistency of the coordination of the extrusion material quantity of the two extrusion rollers 222 and the extrusion material quantity of the transverse extrusion screw 232, avoiding too much or too little feeding, and ensuring the extrusion and stirring effects of the transverse extrusion screw 232 on pugs. Wherein the driving gear 223 is partially engaged with the driven gear 224 and partially engaged with the driving gear 236, thereby improving driving efficiency.
The longitudinal extrusion mechanism 24 comprises a longitudinal extrusion cylinder 241 which is longitudinally arranged and communicated with the discharge end of the transverse extrusion cylinder 231, a longitudinal extrusion screw 242 coaxially arranged in the longitudinal extrusion cylinder 241, a longitudinal extrusion motor 243 for driving the longitudinal extrusion screw 242 to rotate, and a longitudinal cooling water pipe 244 communicated with a longitudinal cooling cavity between the side walls of the longitudinal extrusion cylinder 241; the vertical extrusion cylinder 241 is perpendicular to the horizontal extrusion cylinder 231, and the horizontal extrusion mechanism 23 and the vertical extrusion mechanism 24 can respectively carry out stirring extrusion conveying on mud materials by the horizontal direction and the vertical direction, so that the compactness and the viscosity of mud material extrusion conveying can be improved, the stability of a mud rod formed by extrusion is ensured, cracks and breakage of the mud rod are avoided, and the quality of the mud rod is improved. The structure of the transverse extrusion cylinder 231 is substantially the same as that of the longitudinal extrusion cylinder 241, and the water outlet end of the transverse cooling water pipe 234 and the water inlet end of the longitudinal cooling water pipe 244 can be communicated, so that sequential cooling of the transverse extrusion cylinder 231 and the longitudinal extrusion cylinder 241 is realized.
The extrusion head 25 is connected to the discharge end of the longitudinal extrusion vessel 241, which may be disposed coaxially with the longitudinal extrusion vessel 241. The extrusion head 25 may be of a conventional structure, and thus will not be described in detail.
The vacuum pumping mechanism 26 may be communicated with the feeding end of the longitudinal extrusion barrel 241, and since a small amount of air inevitably enters the longitudinal extrusion barrel 241 during transverse extrusion, the air is easily extruded into the resistor ceramic mud rod 300 to generate bubbles, so that the embodiment can pump the air at the feeding end of the longitudinal extrusion barrel 241 through the vacuum pumping mechanism 26, that is, when the blank in the transverse extrusion barrel 231 enters the longitudinal extrusion barrel 241, the air in the longitudinal extrusion barrel escapes and is pumped out by the vacuum pumping mechanism 26, and the vacuum pumping mechanism 26 may be composed of a conventional vacuum pump and a vacuum degree detector, which can pump the absolute vacuum degree of the feeding end of the longitudinal extrusion barrel 241 to be lower than-0.08 MPA.
When the extrusion molding device specifically works, a strip-shaped blank moves along the conveying roller 212 under the action of gravity, when the blank moves to be close to the double-head extrusion mechanism 22, the blank moves into the feeding gap 210 to control the feeding speed, the blank enters the extrusion gap 222a from the feeding gap 210 and is extruded to be wavy under the action of the two extrusion rollers 222, then enters the transverse extrusion cylinder 231, the blank and water are uniformly mixed under the action of the transverse extrusion screw 232 to form compact pugs, and finally the compact pugs enter the longitudinal extrusion cylinder 241 and are stirred and extruded again under the action of the longitudinal extrusion screw 242 to form rod-shaped materials by the extrusion head 25.
As shown in fig. 1 and 5, the cutting conveyor 100 includes a first conveyor belt 11, a second conveyor belt 12, a cutting mechanism 13, a blowing mechanism 14, a cutting control mechanism 15, and a blowing control mechanism 16.
As shown in fig. 1, 5 and 7, the first conveyor belt 11 is matched with the extrusion head 25 of the extrusion molding device 200, so that the extruded cylindrical strip-shaped ceramic mud rod 300 can move along the first conveyor belt 11, so that the first conveyor belt 11 needs to be arranged along the extrusion direction of the extrusion head 25, and the conveying surface of the first conveyor belt 11 can be arranged to be flush with the outer edge of the lower side of the extrusion opening of the extrusion head 25, so that the extruded ceramic mud rod 300 cannot deform when moving to the first conveyor belt 11; meanwhile, in order to facilitate cutting, a cutting plane perpendicular to the extrusion direction of the extrusion head 25 is formed between the first conveyor belt 11 and the extrusion head 25. In order to avoid deformation caused by lateral movement of the cut ceramic resistor mud rod 300 driven by the cutting mechanism 13 during the cutting process, in this embodiment, a U-shaped guard plate 17 is disposed between the cutting plane and the feeding end of the first conveyor belt 11, and a gap is formed between the ceramic resistor mud rod 300 to be cut and the U-shaped guard plate 17.
As shown in fig. 5 and 6, the cutting mechanism 13 includes a cutting wire 131 and a cutting cylinder 132 for driving the cutting wire 131 to perform intermittent reciprocating motion in a cutting plane, and the cutting wire 131 may be vertically arranged, horizontally arranged or obliquely arranged according to needs, and may move in the cutting plane to cut the resistive ceramic paste rod 300. In order to facilitate the arrangement, the cutting wire 131 is horizontally arranged, so that the cutting wire 131 moves back and forth in the horizontal direction in the cutting plane, and in order to facilitate the arrangement of the cutting wire 131, a cutting bracket 133 may be arranged, the cutting bracket 133 may be -shaped, two free ends of the cutting bracket 133 are respectively connected with two ends of the cutting wire 131, and a piston rod end of the cutting cylinder 132 is connected with the middle part between the cutting; the cutting cylinder 132 of the present embodiment drives the cutting wire 131 to make intermittent reciprocating motion, i.e., the piston rod of the cutting cylinder 132 alternately extends and contracts in a unit time, for example, it extends in a first second, a third second, a fourth second, etc., and the cutting wire 131 completes one cut every time the cutting cylinder 132 makes an extending or contracting motion, and the present embodiment can adjust the cutting length of the resistive ceramic mud rod 300 by controlling the interval time between the extending and contracting motions.
Since the length of the resistive ceramic paste rod 300 is affected by not only the interval time but also the extrusion speed of the extruder, the accuracy of controlling the length of the resistive ceramic paste rod 300 only by the interval time is low, so that in order to improve the length control accuracy of the resistive ceramic paste rod 300, the resistive ceramic paste rod cutting and conveying apparatus 100 of the present embodiment further includes a cutting control mechanism 15 including a first sensor 151 for sensing the resistive ceramic paste rod 300 on the first conveyor belt 11 and a cutting controller 152 for controlling the cutting cylinder 132 to alternately reciprocate according to the sensing signal of the first sensor 151. In order to facilitate detection of the resistive ceramic paste rods 300 on the first conveyor belt 11, a separation gap must be provided between two adjacent resistive ceramic paste rods 300, that is, the conveying speed of the first conveyor belt 11 should be slightly greater than the extrusion speed of the extrusion head 25, so that after the cutting wire 131 cuts the resistive ceramic paste rods 300, a separation gap is formed between the cut resistive ceramic paste rods 300 and the resistive ceramic paste rods 300 to be cut under the action of the first conveyor belt 11, and the conveying speed of the first conveyor belt 11 should not exceed the extrusion speed of the extrusion head 25 too much, so as to avoid deformation of the resistive ceramic paste rods 300 to be cut due to pulling under the friction force of the first conveyor belt 11. When the resistive ceramic paste rod 300 to be cut moves to the first sensor 151, the first sensor 151 detects the resistive ceramic paste rod 300 to be cut and generates a sensing signal, and the cutting controller 152 controls the cutting cylinder 132 to act according to the cutting signal.
In order to facilitate the control of the alternate extension and retraction of the piston rods of the cutting cylinders 132, the cutting control mechanism 15 of the present embodiment further includes a cutting control valve 153 for controlling the alternate intake of the first air ports 132a and the second air ports 132b of the cutting cylinders 132. The cutting cylinder 132 may be a double-acting cylinder, and when the first air port 132a is in air, the second air port 132b is in air exhaust, and a piston rod of the cutting cylinder 132 performs an extending action; when the second air port 132b is air-charged, the first air port 132a is air-discharged, and the piston rod of the cutter cylinder 132 performs a contraction motion. The cutting control valve 153 may be a three-position five-way electromagnetic valve matched with the double-acting cylinder, the cutting controller 152 is used for controlling the cutting control valve 153 to alternately conduct the first air port 132a and the second air port 132b for air intake according to the sensing signal of the first sensor 151, that is, when the first sensor 151 detects the resistive ceramic mud rod 300 for the first time, the cutting controller 152 controls the cutting control valve 153 to be electrified and conduct the first air port 132a for air intake, and when the first sensor 151 detects the resistive ceramic mud rod 300 for the second time, the cutting controller 152 controls the cutting control valve 153 to be electrified and conduct the second air port 132b for air intake, and when the first sensor 151 detects the resistive ceramic mud rod 300 for the third time, the cutting controller 152 again controls the cutting control valve 153 to be electrified and conduct the first air port 132a for air intake, which can sequentially alternately control the cutting control valve 153 to be electrified and to control the cutting cylinder 132 to alternately stretch out and contract for intermittent cutting. The cutting air cylinder 132 of the present embodiment is connected to the cutting air source 135 through the cutting air pipe 134, that is, the cutting air source 135 provides power for the cutting air cylinder 132, and the cutting control valve 153 may be disposed on the cutting air pipe 134, which may be used to control the first air port 132a and the second air port 132b to be alternately connected to the cutting air source 135.
As shown in fig. 1, 5 and 9, the cutting controller 152 of this embodiment includes a cutting signal collecting module 152a for collecting the first electrical signal generated by the first sensor 151 detecting the resistive ceramic mud rod 300, a first driving module 152b for driving the cutting control valve 153 to conduct the air intake of the first air port 132a, a second driving module 152c for driving the cutting control valve 153 to conduct the air intake of the second air port 132b, and a micro-processing module 152d for controlling the actions of the first driving module 152b and the second driving module 152c according to the adjacent two first electrical signals, wherein the cutting signal collecting module 152a, the first driving module 152b and the second driving module 152c are all connected with the micro-processing module 152d, the micro-processing module 152d can alternately control the actions of the first driving module 152b and the second driving module 152c according to the first electrical signal collected by the cutting signal collecting module 152a, the first driving module 152b can control the cutting control valve 153 to obtain electricity, and the second driving module 152c can control the cutting control valve 153 to lose electricity. A counting module 152e may be provided to count the first electrical signals collected, and the micro-processing module 152d may control the first driving module 152b to operate when the first electrical signals are collected in odd number, and may drive the second driving module 152c to operate when the second electrical signals are collected in even number.
As shown in fig. 1 and 5, when the ceramic rod 300 is cut and then moves along the first conveyor belt 11, it can blow the ceramic rod 300 to the second conveyor belt 12 by the blowing mechanism 14 when it moves to near the end of the travel of the first conveyor belt 11, so that the feeding end of the second conveyor belt 12 is vertically connected to the discharging end of the first conveyor belt 11 for the convenience of the blowing mechanism 14, and the conveying surface of the second conveyor belt 12 is slightly lower than that of the first conveyor belt 11.
The blowing mechanism 14 comprises a blowing air source 141, a blowing pipe 142, a blowing control valve 143 and a plurality of air nozzles 144, one end of the blowing pipe 142 is connected with the blowing air source 141, the other end of the blowing pipe is connected with the plurality of air nozzles 144, the blowing control valve 143 is arranged on the blowing pipe 142 and is used for controlling the intermittent conduction of the blowing pipe 142, and the plurality of air nozzles 144 are sequentially arranged on one side of the first conveyor belt 11 along the conveying direction of the first conveyor belt 11 and can generate air flow for driving the resistor ceramic mud bars 300 on the first conveyor belt 11 to move to the second conveyor belt 12. Specifically, the discharge end of the second conveyor belt 12 is located at one side of the first conveyor belt 11, a mounting plate 145 matched with the second conveyor belt 12 may be disposed at the other side of the first conveyor belt 11, the mounting plate 145 is disposed along the length direction of the first conveyor belt 11, a plurality of air nozzles 144 are uniformly disposed on the mounting plate 145, and the air nozzles 144 may be disposed flush with the conveying surface of the first conveyor belt 11, and may generate an air flow perpendicular to the first conveyor belt 11, so as to facilitate blowing the resistor ceramic mud bars 300 on the first conveyor belt 11 to the second conveyor belt 12. Since the second conveyor belt 12 is disposed perpendicular to the first conveyor belt 11, the conveying direction of the second conveyor belt 12 is the same as the air flow direction generated by the air nozzle 144, so that the resistive ceramic paste rod 300 falling onto the second conveyor belt 12 has a certain initial velocity, which is beneficial to avoiding deformation caused by rolling of the resistive ceramic paste rod 300 on the second conveyor belt 12.
In order to avoid the air flow generated by the air nozzle 144 from affecting the plurality of resistor ceramic sticks 300 placed in parallel on the second conveyor belt 12, the blowing mechanism 14 of this embodiment further includes a wind deflector 146 disposed on a side of the first conveyor belt 11 away from the air nozzle 144, and a blowing gap is formed between the wind deflector 146 and the first conveyor belt 11, and the feeding end of the first conveyor belt 11 is located below the blowing gap, so that when the air nozzle 144 blows the resistor ceramic sticks 300 to move between the wind deflector 146 and the first conveyor belt 11, the wind deflector moves in a parabolic manner along the blowing gap under the action of gravity until the wind falls to the second conveyor belt 12.
In order to ensure the accuracy of the blowing mechanism 14 in controlling the blowing of the resistor ceramic sticks 300, the resistor ceramic stick cutting and conveying device 100 of this embodiment further includes a blowing control mechanism 16, which includes a second sensor 161 disposed between the first sensor 151 and the tuyere 144 and used for sensing the separation gap between two adjacent resistor ceramic sticks 300, and a blowing controller 162 for controlling the conduction of the blowing control valve 143 according to the sensing signal of the second sensor 161. When the second sensor 161 detects a separation gap between two adjacent ceramic sticks 300, which indicates that the ceramic sticks 300 to be blown off just move to be substantially flush with the second conveyor belt 12, the blowing controller 162 may control the blowing control valve 143 to be turned on, and the plurality of tuyeres 144 simultaneously generate air flows to blow the ceramic sticks 300 on the first conveyor belt 11 to the second conveyor belt 12.
As shown in fig. 1, 5 and 10, the air blowing controller 162 includes an air blowing signal collecting module 162a for collecting the second electric signal generated by the second sensor 161 detecting the separation gap, and a third driving module 162b for driving the air blowing control valve 143 to be turned on, and when the air blowing signal collecting module 162a collects the second electric signal, the third driving module 162b can control the air blowing control valve 143 to be turned on. Specifically, the air blowing control valve 143 may be a solenoid valve, when the second sensor 161 detects the separation gap, the third driving module 162b may control the solenoid valve to be powered on, the air nozzle 144 generates an air flow, when the second sensor 161 detects the resistive ceramic mud rod 300, the air blowing signal collecting module 162a does not collect the sensing signal, and the third driving module 162b controls the solenoid valve to be powered off, and the solenoid valve is closed under the action of the reset spring on the inner wall of the solenoid valve.
As shown in fig. 1, 5 and 8, in order to facilitate the installation of the first sensor 151 and the second sensor 161, in this embodiment, a fixing plate 18 is disposed near the middle of the first conveyor belt 11 along the conveying direction of the first conveyor belt 11, and the first sensor 151 and the second sensor 161 are respectively disposed on the fixing plate 18. Specifically, a strip-shaped groove 181 is formed on the fixing plate 18 along the length direction of the fixing plate 18, and the first sensor 151 and the second sensor 161 are both slidably embedded in the strip-shaped groove 181, so that the length and the blowing position of the resistor ceramic mud rod 300 can be adjusted by adjusting the positions of the first sensor 151 and the second sensor 161 in the strip-shaped groove 181. The first sensor 151 and the second sensor 161 of the present embodiment may each be an infrared sensor. The cutting air source 135 and the blowing air source 141 of this embodiment may each employ a blower, bellows, or other conventional device capable of producing compression.
When the cutting and conveying device 100 of this embodiment works, the free end of the columnar ceramic resistor mud rod 300 extruded by the extrusion head 25 falls to the first conveyor belt 11 and moves along the first conveyor belt 11, when the free end moves to the first sensor 151, the cutting controller 152 obtains the sensing signal of the first sensor 151 and controls the piston rod of the cutting cylinder 132 to stretch out or shrink so as to drive the cutting wire 131 to cut the ceramic resistor mud rod 300, the cut electromagnetic ceramic mud rod continues to move along the first conveyor belt 11, when all the cut electromagnetic ceramic mud rod passes through the second sensor 161, the second sensor 161 detects the separation gap between two adjacent ceramic resistor mud rods 300, the air blowing controller 162 obtains the sensing signal of the second sensor 161 and controls the air blowing control valve to be turned on, and the plurality of air nozzles 144 of the air blowing mechanism generate air flow to blow the ceramic resistor mud rod 300 on the first conveyor belt 11 to the second conveyor belt 12.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any other corresponding changes and modifications made in accordance with the technical idea of the present invention shall be included in the scope of the claims of the present invention.
Claims (5)
1. A resistor ceramic mud bar forming system, comprising an extrusion device and a cutting and conveying device, wherein the cutting and conveying device comprises:
a first conveyor belt which is arranged along the extrusion direction of the extrusion head of the extrusion device and the feeding end of which is matched with the extrusion head; a cutting plane perpendicular to the extrusion direction of the extrusion head is formed between the first conveyor belt and the extrusion head;
the cutting mechanism comprises a cutting wire and a cutting cylinder for driving the cutting wire to intermittently reciprocate in a cutting plane;
the feeding end of the second conveyor belt is vertically connected with the discharging end of the first conveyor belt;
the blowing mechanism comprises a blowing air source, a blowing pipe, a blowing control valve and a plurality of air nozzles, one end of the blowing pipe is connected with the blowing air source, the other end of the blowing pipe is connected with the air nozzles, the blowing control valve is arranged in the blowing pipe and used for controlling the intermittent conduction of the blowing pipe, and the air nozzles are sequentially arranged on one side of a first conveyor belt along the conveying direction of the first conveyor belt and can generate air flow for driving the resistor ceramic mud bars on the first conveyor belt to move to a second conveyor belt;
the cutting and conveying device for the resistor ceramic mud bars further comprises a cutting control mechanism, wherein the cutting control mechanism comprises a first sensor and a cutting controller, the first sensor is arranged between the tuyere and the extrusion head and is used for sensing the resistor ceramic mud bars on the first conveyor belt, and the cutting controller is used for controlling the cutting cylinder to alternately reciprocate according to the sensing signal of the first sensor;
the cutting control mechanism further comprises a cutting control valve for controlling the first air port and the second air port of the cutting air cylinder to alternately intake air, the cutting controller comprises a cutting signal acquisition module for acquiring a first electric signal generated by the first sensor for detecting the resistance ceramic mud rod, a first driving module for driving the cutting control valve to conduct the first air port to intake air, a second driving module for driving the cutting control valve to conduct the second air port to intake air, and a micro-processing module for controlling the first driving module and the second driving module to act according to two adjacent first electric signals respectively, and the cutting signal acquisition module, the first driving module and the second driving module are all connected with the micro-processing module;
the resistor ceramic mud rod cutting and conveying device further comprises a blowing control mechanism, wherein the blowing control mechanism comprises a second inductor and a blowing controller, the second inductor is arranged between the first inductor and the tuyere and is used for inducing a separation gap between two adjacent resistor ceramic mud rods, and the blowing controller is used for controlling the conduction of a blowing control valve according to the induction signal of the second inductor;
the extrusion molding apparatus includes:
the transverse extrusion mechanism comprises a transverse extrusion barrel, a transverse extrusion screw rod coaxially arranged in the transverse extrusion barrel, a transverse extrusion motor for driving the transverse extrusion screw rod to rotate and a transverse cooling water pipe communicated with a transverse cooling cavity between the side walls of the transverse extrusion barrel;
the double-head extrusion mechanism comprises an extrusion shell connected with a feed inlet at the upper side of the transverse extrusion cylinder and two extrusion rollers which are arranged in the extrusion shell in parallel and can reversely rotate;
the longitudinal extrusion mechanism comprises a longitudinal extrusion barrel which is longitudinally arranged and communicated with the discharge end of the transverse extrusion barrel, a longitudinal extrusion screw coaxially arranged in the longitudinal extrusion barrel, a longitudinal extrusion motor for driving the longitudinal extrusion screw to rotate, and a longitudinal cooling water pipe communicated with a longitudinal cooling cavity between the side walls of the longitudinal extrusion barrel;
the vacuumizing mechanism is communicated with the feeding end of the longitudinal extrusion cylinder; and
The extrusion head is arranged at the discharge end of the longitudinal extrusion cylinder;
the extrusion molding device further comprises a feeding mechanism which comprises a feeding frame, a conveying roller and a feeding guide roller, wherein the conveying roller and the feeding guide roller are arranged in parallel on the feeding frame, and a feeding gap matched with a feeding hole at the top end of the extrusion shell is formed between the conveying roller and the feeding guide roller.
2. The resistive ceramic mud rod forming system according to claim 1, wherein the plurality of conveying rollers are arranged in parallel in sequence along the length direction of the feeding frame, and the feeding guide rollers are at least two and are arranged in parallel at one end of the feeding frame opposite to the extrusion shell.
3. The resistive ceramic mud rod forming system according to claim 2, wherein the double-headed extrusion mechanism further comprises a driving gear and a driven gear which are meshed with each other, and one end of each of the two extrusion rollers passes through the extrusion shell and is respectively connected with the driving gear and the driven gear; the transverse extrusion mechanism comprises a driving shaft and a driving gear sleeved on the driving shaft and meshed with the driving gear, one end of the driving shaft is connected with the transverse extrusion screw, and the other end of the driving shaft is connected with the transverse extrusion motor.
4. The resistive ceramic mud rod molding system of claim 1, wherein the blowing controller comprises a blowing signal acquisition module for acquiring a second electrical signal generated by the second sensor detecting the separation gap, a third driving module for driving the blowing control valve to conduct, and a blowing control module, wherein the blowing signal acquisition module and the third driving module are connected with the blowing control module.
5. The resistive ceramic mud rod forming system of claim 4, wherein the blowing mechanism further comprises a wind deflector disposed on a side of the first conveyor belt away from the tuyere, a blowing gap is formed between the wind deflector and the first conveyor belt, and a feed end of the first conveyor belt is disposed below the blowing gap.
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| CN108501180B (en) * | 2018-04-20 | 2019-12-13 | 南京同溧晶体材料研究院有限公司 | A production and processing technology of resistance ceramic white rod forming |
| CN108792740B (en) * | 2018-07-09 | 2024-09-24 | 拓卡奔马机电科技有限公司 | Material receiving auxiliary device for single-layer automatic cutting system |
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Application publication date: 20180216 Assignee: YINGCHENG HETIAN ELECTRONIC TECHNOLOGY CO.,LTD. Assignor: HUBEI YIJIAOU ELECTRONIC CERAMIC CO.,LTD. Contract record no.: X2025980041482 Denomination of invention: A resistive ceramic paste molding system Granted publication date: 20240123 License type: Common License Record date: 20251205 |