CN209400905U - A kind of PLC internal control route for grouting equipment - Google Patents

Abstract

The utility model relates to ceramic production device fields, more particularly to a kind of PLC internal control route of grouting equipment, the PLC includes CPU, input unit and output unit, it is characterised in that: the input unit includes solenoid valve interlocking normally closed contact, mold point distance measurement normal opened contact, completely to starch point distance measurement high liquid level normal opened contact, the output unit include rotary tray motor output contact, solenoid valve output contact and centrifugation motor output contact.The PLC internal control route of the grouting equipment detects whether gypsum mold is in slip casting disk and starches full situation automatically, and automatic grouting reduces cost of labor, and controls precisely, and mud will not overflow.

Description

A kind of PLC internal control route for grouting equipment

Technical field

The utility model relates to ceramic production device fields, are specifically related to a kind of inside PLC control for grouting equipment Route processed.

Background technique

Injection forming is slurry casting to be made in gypsum mould a kind of method of product suitable for complex-shaped Or the batch molding of big part product.Substantially, ingredient adds water-base mud-injection forming-drying-firing for its production.Modern life In production, slip casting step gradually replaces artificial production, vase, product pot, teapot, sugar bowl etc. with Machine automated or semi-automatic production The more complex more fruits of system member of shape are formed with slip casting method.It is relatively simple to infuse the paddle method of forming, i.e., mud made of blank is injected into stone In cream model, because gypsum chess has water imbibition, so, the moisture content in the part mud of model inner wall, by the gypsum of Porous It sucks and forms the mud layer of shape same as model inner wall in plaster mold inner wall, this mud layer thickeies as time increases. After stopping a period of time, incline and made a basket extra mud, and is then stayed in model close to the put forth energy pug layer of model inner wall of stone；After one section Time, mud layer shrink naturally and are detached from model, the crude green body of formation can be taken out.Traditional slip casting machine use by one or The step of multiple gypsum molds are placed in respectively below grouting nozzle, slip casting includes putting gypsum mold, slip casting, removing plaster mold Tool whether picks and places gypsum mold using manually or mechanically hand, and each step will be carried out successively, and the front and back of slip casting picks and places gypsum Mold needs to wait the regular hour, is unfavorable for improving production efficiency, the furthermore unlatching and stopping of existing grouting equipment slip casting Manual operation is mostly used, the degree of automation is low, high labor cost, and the full judgement of slurry is not accurate, and slurry is easy to happen the feelings of spilling Condition.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of PLC internal control routes of grouting equipment, automatic to examine Survey whether gypsum mold is in slip casting disk and starches full situation, automatic grouting reduces cost of labor, and controls precisely, and mud will not Overflow, to solve the problems, such as to propose in background technique.

In order to solve the above technical problems, the technical solution adopted in the utility model is as follows: a kind of PLC for grouting equipment Internal control route, the PLC include CPU, input unit and output unit, it is characterised in that: the input unit includes electricity Magnet valve interlocking normally closed contact, mold point distance measurement normal opened contact, completely slurry point distance measurement high liquid level normal opened contact, the output unit include Rotary tray motor output contact, solenoid valve output contact and centrifugation motor output contact.

Preferably, including distributed lines and slip casting route, the distributed lines interlock normally closed contact and turntable by solenoid valve Motor output contact concatenates, and in the slip casting route, mold point distance measurement normal opened contact and completely slurry point distance measurement high liquid level are normally opened Contact concatenation.

Preferably, the input unit further includes that full slurry point distance measurement low liquid level normal opened contact and solenoid valve interlock normally opened connect Point, in the slip casting route, mold point distance measurement normal opened contact completely starches point distance measurement low liquid level normal opened contact, completely starches the high liquid of point distance measurement Position normal opened contact and solenoid valve output contact concatenation, solenoid valve interlocking normal opened contact simultaneously connect mold point distance measurement normal opened contact and full slurry Point distance measurement low liquid level normal opened contact.

Preferably, the input unit further includes centrifugation motor shutdown switch normally closed contact.

It preferably, further include centrifugation route, the centrifugation route is by centrifugation motor shutdown switch normally closed contact and centrifugation electricity Machine output contact concatenates.

Preferably, the input unit further includes that servo motor starting rotates forward normal opened contact, servo motor stops rotating forward often Close contact, servo motor rotates forward self-sustaining normal opened contact, servo motor starting inverts normal opened contact, servo motor stopping reversion is normal Contact and servo motor reversion self-sustaining normal opened contact are closed, the output unit further includes that servo motor rotates forward output contact and watches Take motor reversal output contact.

It preferably, further include that height rises route and height decline route, the height rises in route, and servo motor opens Dynamic normal opened contact, servo motor stopping rotating forward normally closed contact and the servo motor of rotating forward rotates forward output contact concatenation, the servo electricity Machine starting rotates forward normal opened contact and servo motor rotates forward self-sustaining normal opened contact and connects, in the height decline route, servo electricity Machine starting reversion normal opened contact, servo motor stop reversion normally closed contact and servo motor rotates forward output contact concatenation, described to watch It takes electric motor starting reversion normal opened contact and servo motor rotates forward self-sustaining normal opened contact and connects.

Seen from the above description, the PLC internal control route of grouting equipment provided by the utility model has following beneficial Effect: detecting whether gypsum mold is in slip casting disk and starches full situation by distance measuring sensor automatically, realizes automatic grouting, subtracts Few cost of labor, and controlling precisely, mud will not overflow, avoid mud from wasting.

Detailed description of the invention

Fig. 1 is the PLC internal control route figure of one the utility model grouting equipment of specific embodiment.

Fig. 2 is the PLC internal control route figure of two the utility model grouting equipment of specific embodiment.

Fig. 3 is the circuit connection diagram of grouting equipment.

Fig. 4 is the schematic perspective view of grouting equipment.

Fig. 5 is the local A enlarged diagram of Fig. 4.

Fig. 6 is the left view of Fig. 4.

Fig. 7 is the A-A cross-sectional view of Fig. 6.

Fig. 8 is the local B enlarged diagram of Fig. 7.

Fig. 9 is that Fig. 4 removes the schematic diagram after turntable.

Figure 10 is the schematic diagram of grouting equipment.

Specific embodiment

Below by way of specific embodiment, the utility model will be further described.

Specific implementation one

A kind of PLC internal control route for grouting equipment, PLC32 includes CPU, input unit and output unit.

If Fig. 3 is PLC and rotary tray motor 21, solenoid valve 313, centrifugation motor 41, servo motor 36, distance measuring sensor 314 External circuit connection schematic diagram, wherein rotary tray motor 21, solenoid valve 313, centrifugation motor 41 and servo motor 36 and PLC32 Output unit connection, distance measuring sensor 314 are connect with the input unit of PLC32.

Input relay (input contact) be PLC32 with external input point (for connecting and receiving with external input switches The terminal of external input signal) corresponding internal storage stores basic unit.It is driven by the input signal that outside is sent, and is made It is 0 or 1.Output relay (output contact) is that PLC32 and external output point (for connecting with external loading) are corresponding Internal storage stores basic unit.

Input unit includes solenoid valve interlocking normally closed contact Y11, mold point distance measurement normal opened contact X0, the completely low liquid of slurry point distance measurement Position normal opened contact X1, completely slurry point distance measurement high liquid level normal opened contact X2, solenoid valve interlocking normal opened contact Y12, centrifugation motor stopping are opened Close normally closed contact X3, servo motor starting rotates forward normal opened contact X4, servo motor stops rotating forward normally closed contact X5, servo motor just Turn self-sustaining normal opened contact Y31, servo motor starting reversion normal opened contact X6, servo motor to stop reversion normally closed contact X7 and watch Take motor reversal self-sustaining normal opened contact Y41.

Output unit includes 21 output contact Y0 of rotary tray motor, solenoid valve output contact Y1, centrifugation 41 output contact of motor Y2, servo motor rotate forward output contact Y3, servo motor inverts output contact Y4.

Wherein, solenoid valve interlocking normally closed contact Y11, solenoid valve interlocking normal opened contact Y12 and solenoid valve output contact Y1 are The contact of linkage, when solenoid valve output contact Y1 must not electricity when, solenoid valve interlocking normally closed contact Y11 be kept closed, electromagnetism Valve interlocking normal opened contact Y12 is remained off；When solenoid valve output contact Y1 energized action, solenoid valve interlocks normally closed contact Y11 is disconnected, solenoid valve interlocking normal opened contact Y12 is closed.

Similar, it is linkage that servo motor, which rotates forward self-sustaining normal opened contact Y31 and servo motor rotating forward output contact Y3, Contact；Servo motor reversion self-sustaining normal opened contact Y41 and servo motor reversion output contact Y4 is the contact of linkage.

As shown in Figure 1, PLC32 internal control route includes distributed lines and slip casting route, distributed lines are mutual by solenoid valve Lock normally closed contact Y11 and 21 output contact Y0 of rotary tray motor is concatenated, in slip casting route, mold point distance measurement normal opened contact X0, It completely starches point distance measurement low liquid level normal opened contact X1, completely starch point distance measurement high liquid level normal opened contact X2 and solenoid valve output contact Y1 concatenation, Solenoid valve interlocking normal opened contact Y12 simultaneously meets mold point distance measurement normal opened contact X0 and completely starches point distance measurement low liquid level normal opened contact X1.

PLC32 internal control route further includes that centrifugation line levels rise route and height decline route.

Centrifugation route is concatenated by centrifugation motor shutdown switch normally closed contact X3 and centrifugation 41 output contact Y2 of motor.

Height rises in route, and servo motor starting rotates forward normal opened contact X4, servo motor stops rotating forward normally closed contact X5 Output contact Y3 concatenation is rotated forward with servo motor, servo motor starting rotates forward normal opened contact X4 and servo motor rotating forward self-sustaining is normal It opens contact Y31 and connects, form self-keeping circuit.

In height decline route, servo motor starting reversion normal opened contact X6, servo motor stop reversion normally closed contact X7 With the rotating forward output contact Y4 concatenation of servo motor 36, servo motor starting reversion normal opened contact X6 simultaneously connects the rotating forward of servo motor 36 certainly Maintain a normally open contact Y41.

The ladder diagram (control line map) of PLC32 as shown in figure 4, when the ladder diagram of PLC32 is read, by from top to bottom, from Left-to-right progress, PLC32 internal control route include the instruction of A-E row, are respectively corresponded: distributed lines, slip casting route, centrifugation line Road, height rise route and height decline route.

Plaster mold is carried out using the grouting equipment that this PLC32 internal control route controls above-mentioned station self-induction timesharing driving Have 100 slip castings, specifically include following:

A row instruction-distributed lines: after equipment is powered, rotary tray motor 21 powers on, and drives turntable 2 and 22 edge of slip casting disk Turntable 2 rotate, when 313 execution of solenoid valve movement, i.e. solenoid valve output contact Y1 energized action, solenoid valve interlocks at this time Normally closed contact Y11 is disconnected, and keeps 21 output contact Y0 of rotary tray motor electric, and rotary tray motor 21 stops working, and turntable 2 stops turning It is dynamic, to enter the slip casting step of next step.

B row instruction-slip casting route: according to mold height, the mould of distance measuring sensor 314 is set on PLC32 control panel Have the triggering height (mold point distance measurement is apart from die top distance) of point distance measurement, sets the full slurry point distance measurement of distance measuring sensor 314 Low liquid level height (completely slurry point distance measurement distance from bottom in mold) and high liquid level height (mold point distance measurement is apart from die top Distance).

Mold point distance measurement on distance measuring sensor 314 detects gypsum mold 100, and the full slurry of distance measuring sensor 314 is surveyed After detecting low liquid level height away from point, mold point distance measurement normal opened contact X0 closure, completely slurry point distance measurement low liquid level normal opened contact X1 is closed Close, completely slurry point distance measurement high liquid level normal opened contact X2 remain closed so that solenoid valve output contact Y1 obtain it is electric, solenoid valve 313 it is electric After open, the slip casting in gypsum mold 100, only as full slurry point distance measurement low liquid level normal opened contact X1 and mold point distance measurement is normally opened connects When point X0 is activated simultaneously, solenoid valve 313 just understands slip casting, solenoid valve interlock normal opened contact Y12 solenoid valve 313 it is electric after formed from Circuit is protected, when so that liquid level starting variation in gypsum mold 100, completely slurry point distance measurement low liquid level normal opened contact X1 is disconnected, solenoid valve 313 can continue to electric；

When slurry liquid position reaches 100 top of gypsum mold in gypsum mold 100, triggering completely slurry point distance measurement high liquid level is normally opened Contact X2 is disconnected, and solenoid valve 313 is closed, and stops slip casting, in the scanning of lower whorl, because of solenoid valve output contact Y1 power loss, and electricity Magnet valve interlocking normally closed contact Y11 is restored to normally off, and work once electrified, turntable 2 continue to rotate rotary tray motor 21 again.

C row instructs-it is centrifuged route: after equipment is powered, centrifugation 41 output contact Y2 of motor obtains electric, and centrifugation motor 41 works, So that power separating device works, double-sided synchronous belt 44 is rotated, and provides power to be moved to the slip casting disk 22 of slip casting station, is centrifuged Motor shutdown switch normally closed contact X3 corresponds to emergency stop switch, and can triggering centrifugation if necessary, motor shutdown switch is normally closed connects Point X3 to be centrifuged 41 power loss of motor.

D row instruction-height rises route: servo motor starting rotating forward normal opened contact X4, servo motor stop rotating forward normally closed Contact X5 and servo motor rotate forward output contact Y3 concatenation, when needing to adjust 3 height of grouting device, pass through pressing on control panel Button or numerical value input, triggering servo motor starting rotate forward normal opened contact X4, and servo motor starting rotates forward normal opened contact X4 and servo Motor rotates forward self-sustaining normal opened contact Y31 and connects, and forms self-keeping circuit, so that servo motor is rotated forward output contact Y3 and keeps rotating forward, So that vertical adjustment plate 34 declines, grouting device 3 is driven to increase.

E row instruction-height declines route: servo motor starting reversion normal opened contact X6, servo motor stop inverting normally closed Contact X7 and servo motor reversion output contact Y4 concatenation, when needing to adjust 3 height of grouting device, pass through pressing on control panel Button or numerical value input, triggering servo motor starting reversion normal opened contact X6, servo motor starting reversion normal opened contact X6 and servo Motor reversal self-sustaining normal opened contact Y41 simultaneously connects, and forms self-keeping circuit, and servo motor reversion output contact Y4 is made to keep rotating forward, So that vertical adjustment plate 34 declines, grouting device 3 is driven to decline.

As shown in Fig. 4 to 10, grouting equipment applied by the utility model PLC internal control route, the grouting equipment packet Pedestal 1, the turntable being rotatably disposed on pedestal 12, grouting device 3 and power segmenting device 4 are included, turntable 2 is by rotary tray motor 21 driving rotations, rotary tray motor 21 is connect by retarder with turntable 2, rotatable on turntable 2 to be disposed with multiple slip casting disks 22, Grouting device 3 is set to 2 top of turntable, when slip casting disk 22 follows turntable 2 to rotate and arrive at 3 lower section of grouting device, the slip casting disk 22 connect with power segmenting device 4, and slip casting disk 22 accesses the power of power segmenting device 4, and spinning.

Slip casting disk 22 is distributed on turntable 2 by axis of the rotation axis of turntable 2, and in the present embodiment, slip casting disk 22 is with three Two quantity is alternatively arranged, i.e., turntable 2 is alternatively arranged with three rows and two rows, the company in 22 center of circle of slip casting disk of each row Line passes through the center of circle of turntable 2, the arrangement of the station on turntable 2 can be made close with three or two arrangement, occupied area be reduced, at other In embodiment, slip casting disk 22 can be alternatively arranged with other quantity, for example five or three are alternatively arranged.

Slip casting disk 22 includes centrifugal pan and the pallet being fixed on centrifugal pan, and pallet is equipped with for placing gypsum mold 100 circular recess area, circular recess area is stepped, and circular recess area and 100 bottom of gypsum mold cooperate, and prevents plaster mold Tool 100 is got rid of during rotation to be fallen, and is enumerated in figure and is placed a gypsum mold 100 on slip casting disk 22.

As shown in Fig. 2, grouting device 3 includes slip casting unit 31, PLC32, bracket 33 and vertical adjustment plate 34, the slip casting list Member 31 includes slip casting supervisor 311, is set to the electricity that slip casting is responsible for the grouting nozzle 312 of 311 ends, is set on slip casting supervisor 311 Magnet valve 313 is set to the distance measuring sensor 314 that slip casting is responsible on 311 sides, and slip casting supervisor 311 is connected to mud feed pipe, electromagnetism Valve 313 controls the flowing and stopping of mud, and solenoid valve 313 connect with the output unit terminal of PLC32, distance measuring sensor 314 and The input unit terminal of PLC32 connects.

Electromagnetic valve model can be selected rich environmentally friendly equipment Co., Ltd, Co., Ltd production of splashing DMF-Z electromagnetic impulse valve or DFD series solenoid valve of 441 factories etc..

The type of distance measuring sensor 314 is infra red type, and distance measuring sensor 314 is equipped with mold point distance measurement and completely starches ranging Point, as shown in Fig. 2, the infrared ray for completely starching point distance measurement is directed at 22 center of slip casting disk, when gypsum mold 100 is placed on slip casting disk 22 When, whether the infrared ray of completely slurry point distance measurement is directed at the grouting port of gypsum mold 100, full for detecting slurry in gypsum mold 100 Material；The infrared ray of mold point distance measurement is directed at 22 edge of slip casting disk, and when gypsum mold 100 is placed on slip casting disk 22, mold is surveyed Infrared ray away from point is directed at gypsum mold frontside edge, for whether detecting gypsum mold 100 in slip casting station, three one When the slip casting disk 22 of row is moved to 312 lower section of grouting nozzle, three grouting nozzles 312 are simultaneously toward 100 slip casting of gypsum mold, two rows Slip casting disk 22 when being moved to 312 lower section of grouting nozzle, two slip castings in gypsum mold 100 of grouting nozzle 312 in the outer part.

Infrared distance sensor is a kind of sensing device, and the measuring system of to be with infrared ray be medium, measurement range is wide, rings It is short between seasonable, it is mainly used in modern science and technology, national defence and industrial or agricultural field.Infrared distance sensor has a pair of of infrared signal hair It penetrates and reception diode, the infrared distance sensor utilized launches a branch of infrared light, form one after being irradiated to object instead The process penetrated is reflected into sensor and is followed by the collection of letters number, and the number of transmitting and received time difference are then received using ccd image processing According to calculating the distance of object after signal processor processes.The production of SHARP company, Japan can be selected in infrared distance sensor GP2D12 infrared distance sensor, or the affiliated brand product of Germany.

Vertical adjustment plate 34 is slideably positioned on bracket 33 by screw rod slide unit 35, and screw rod slide unit 35 is driven by servo motor 36 Dynamic, vertical adjustment plate 34 is fixed on the sliding stand of screw rod slide unit 35, and slip casting unit 31 is fixed on vertical adjustment plate 34, servo Motor 36 drives slip casting unit 31 to move up and down by screw rod slide unit 35, and the control of servo motor 36 position precision is very accurate, can To convert torque and revolving speed for voltage signal with drive control object.36 rotor speed of servo motor is controlled by input signal, And energy fast reaction is used as executive component, and with electromechanical time constant is small, the linearity is high, initiating in automatic control system The characteristics such as voltage, the angular displacement that the electric signal received can be converted on motor reel or angular speed output, therefore being capable of essence The position of quasi- adjustment slip casting unit 31, to adapt to the gypsum mold 100 of different height.

314 height of distance measuring sensor is adjustable, is installed with adjustment base on vertical adjustment plate 34, which is equipped with hole , it is adjustably equipped with a vertical adjustment bar in hole location, vertical adjustment bar is connected through a screw thread part and is fixed on adjustment base On, distance measuring sensor 314 is fixed on adjusting rod.

31 quantity of slip casting unit is corresponding with 22 quantity maximum value of each column slip casting disk, and in the present embodiment, slip casting unit 31 is 3 A, the distance of the grouting nozzle 312 of adjacent slip casting unit 31 is identical with the distance of center circle of slip casting disk 22 adjacent in every arrangement, when three one When the grouting nozzle 312 of row is located on slip casting station, three grouting nozzles 312 and three slip casting disks 22 are corresponded, and grouting nozzle 312 Right above the grouting port of gypsum mold 100 on slip casting disk 22, when the grouting nozzle 312 of two rows is located on slip casting station When, two grouting nozzles 312 are corresponded with two slip casting disks 22 in the outer part；In other embodiments, slip casting unit 31 can be Other quantity, 31 quantity of slip casting unit are identical as the most quantity of a row of 22 quantity of slip casting disk.

As shown in Figures 4 and 5, power segmenting device 4 is set to 2 lower section of turntable, and power segmenting device 4 includes centrifugation motor 41, active synchronization belt wheel 42, driven pulley 43 and double-sided synchronous belt 44, active synchronization belt wheel 42 and centrifugation 41 output shaft end of motor Affixed, active synchronization belt wheel 42 and driven pulley 43 are connected by double-sided synchronous belt 44, and the interior outside of double-sided synchronous belt 44 is all provided with There is synchronous gear, the rotary shaft of slip casting disk 22 extends to below turntable 2, in the slip casting disk 22 of each row, wherein one or more notes The rotary shaft for starching disk 22 is equipped with centrifugal synchronous wheel 221, is connected between the rotary shaft of the slip casting disk 22 of each row by belt, note When slurry disk 22 follows turntable 2 to rotate and arrive at 3 lower section of grouting device, one of centrifugal synchronous wheel 221 and double-sided synchronous belt 44 Outer middle side part engagement (is nibbled for the centrifugal synchronous wheel 221 among turntable 2 with the outer middle side part of double-sided synchronous belt 44 in the present embodiment Close), double-sided synchronous belt 44 delivers power to centrifugal synchronous wheel 221 and slip casting disk 22.

The application method of above-mentioned grouting equipment, comprising the following steps:

Step 1: 3 height of grouting device is adjusted by servo motor 36, in grouting device according to 100 height of gypsum mold Feeding station and discharge station is respectively set in 3 front-end and back-end, and worker or manipulator are arranged on feeding station, will be to slip casting Gypsum mold 100 be placed on slip casting disk 22；

It is rotated Step 2: turntable 2 is driven by rotary tray motor 21, gypsum mold 100 is driven to turn to the slip casting of grouting device 3 Immediately below mouth 312, slip casting disk 22 accesses the double-sided synchronous belt 44 of power separating device, and slip casting disk 22 follows gypsum mold 100 certainly Rotation, the mold point distance measurement of distance measuring sensor 314 detect gypsum mold 100, and completely starch the low liquid that point distance measurement detects setting After the height of position, PLC32 is transmitted a signal to, is stopped operating by PLC32 control turntable 2, and control the opening of solenoid valve 313, toward stone Slip casting in cream mold 100, the completely grouting port of slurry point distance measurement alignment gypsum mold 100, detect liquid level in gypsum mold 100, slurry is full When transmit a signal to PLC32, closed by PLC32 control solenoid valve 313, stop slip casting, then turntable 2 continues to rotate, weight The gap of the above process of duplicate step, slip casting is very short, substantially increases production efficiency；

Step 3: arranging manually or mechanically hand in discharge station, the gypsum mold 100 that slip casting finishes is removed.

Specific implementation two

In slip casting route, mold point distance measurement normal opened contact X0, completely slurry point distance measurement high liquid level normal opened contact X2 and solenoid valve are defeated Contact Y1 is concatenated out.Other technical characteristics are the same as specific embodiment one.

B row instruction-slip casting route: according to mold height, the mould of distance measuring sensor 314 is set on PLC32 control panel Have the triggering height (mold point distance measurement is apart from die top distance) of point distance measurement, sets the high liquid level height of distance measuring sensor 314 (mold point distance measurement is apart from die top distance).

Mold point distance measurement on distance measuring sensor 314 detects that gypsum mold 100, mold point distance measurement normal opened contact X0 close Close, completely slurry point distance measurement high liquid level normal opened contact X2 remain closed so that solenoid valve output contact Y1 obtain it is electric, solenoid valve 313 it is electric After open, the slip casting in gypsum mold 100, in the present embodiment, only need to completely slurry point distance measurement low liquid level normal opened contact X1 activation, electromagnetism Valve 313 will slip casting；

When slurry liquid position reaches 100 top of gypsum mold in gypsum mold 100, triggering completely slurry point distance measurement high liquid level is normally opened Contact X2 is disconnected, and solenoid valve 313 is closed, and stops slip casting, in the scanning of lower whorl, because of solenoid valve output contact Y1 power loss, and electricity Magnet valve interlocking normally closed contact Y11 is restored to normally off, and work once electrified, turntable 2 continue to rotate rotary tray motor 21 again.

The present embodiment and specific embodiment one the difference is that, only need to completely slurry point distance measurement low liquid level normal opened contact X1 swash It is living, solenoid valve 313 will slip casting, it is red with the mold point distance measurement of the distance measuring sensor 314 of the grouting equipment of the present embodiment cooperation Outside line, edge of the alignment slip casting disk 22 close to discharge station side, it is ensured that the infrared detection of mold point distance measurement to gypsum mold When 100, gypsum mold 100 has been in slip casting station, i.e. the grouting port of gypsum mold 100 underface that is located at grouting nozzle.

It above are only several specific embodiments of the utility model, but the design concept of the utility model is not limited to This, all non-essential modifications to the present invention made by this concept should belong to infringement scope of protection of the utility model Behavior.

Claims (7)

1. a kind of PLC internal control route for grouting equipment, the PLC includes CPU, input unit and output unit, Be characterized in that: the input unit includes solenoid valve interlocking normally closed contact, mold point distance measurement normal opened contact, completely starches the high liquid of point distance measurement Position normal opened contact, the output unit include rotary tray motor output contact, solenoid valve output contact and centrifugation motor output contact.

2. the PLC internal control route according to claim 1 for grouting equipment, it is characterised in that: including distributing line Road and slip casting route, the distributed lines interlock normally closed contact by solenoid valve and rotary tray motor output contact concatenates, described In slip casting route, mold point distance measurement normal opened contact completely starches point distance measurement high liquid level normal opened contact and solenoid valve output contact concatenation.

3. the PLC internal control route according to claim 2 for grouting equipment, it is characterised in that: the input is single Member further includes expiring slurry point distance measurement low liquid level normal opened contact and solenoid valve interlocking normal opened contact, in the slip casting route, mold ranging Point normal opened contact completely starches point distance measurement low liquid level normal opened contact, completely starches point distance measurement high liquid level normal opened contact and solenoid valve output contact Concatenation, solenoid valve interlocking normal opened contact simultaneously connect mold point distance measurement normal opened contact and completely starch point distance measurement low liquid level normal opened contact.

4. the PLC internal control route according to claim 1 for grouting equipment, it is characterised in that: the input is single Member further includes centrifugation motor shutdown switch normally closed contact.

5. the PLC internal control route according to claim 4 for grouting equipment, it is characterised in that: further include centrifugation Route, the centrifugation route are concatenated by centrifugation motor shutdown switch normally closed contact and centrifugation motor output contact.

6. the PLC internal control route according to claim 1 for grouting equipment, it is characterised in that: the input is single Member further includes that servo motor starting rotates forward normal opened contact, servo motor stops rotating forward normally closed contact, servo motor rotating forward self-sustaining Normal opened contact, servo motor starting reversion normal opened contact, servo motor stops reversion normally closed contact and servo motor inverts self-insurance Normal opened contact is held, the output unit further includes that servo motor rotates forward output contact and servo motor reversion output contact.

7. the PLC internal control route according to claim 6 for grouting equipment, it is characterised in that: further include height Rise route and height decline route, the height rises in route, and servo motor starting rotates forward normal opened contact, servo motor stops It only rotates forward normally closed contact and servo motor rotates forward output contact concatenation, the servo motor starting rotates forward normal opened contact and servo electricity Machine rotates forward self-sustaining normal opened contact and connects, in the height decline route, servo motor starting reversion normal opened contact, servo motor Stop reversion normally closed contact and servo motor rotates forward output contact concatenation, the servo motor starting reversion normal opened contact and servo Motor rotates forward self-sustaining normal opened contact and connects.