阅读说明：本技术 油膏自动称重系统及方法 (Automatic ointment weighing system and method ) 是由 石明 史程亮 于 2021-08-17 设计创作，主要内容包括：本发明公开了一种油膏自动称重系统及方法,储油膏箱的入口端连接油膏桶,油膏桶与储油膏箱之间设置有一隔膜泵,储油膏箱的出口端直接连接缆芯,出口端设置有齿轮泵,齿轮泵将油膏直接打出至缆芯,还包括称重控制单元,称重控制单元包括称重传感器和重量PLC控制器,重量PLC控制器分别与隔膜泵和称重传感器电性连接,油膏补充通过重量PLC控制器控制实现,同时进行补充油膏的累计重量计算和打出油膏的累计重量计算。通过上述方式,本发明膏自动称重系统及方法能够进行油膏在线自动补充,对缆芯实现自动加油膏,防止油膏过多时溢出,避免油膏太少时导致油膏无法打出,避免缆芯渗水现象,减少工人工作量,同时可在线实时监控油膏用量,实现材料核算。(The invention discloses an ointment automatic weighing system and method, wherein an inlet end of an ointment storage box is connected with an ointment barrel, a diaphragm pump is arranged between the ointment barrel and the ointment storage box, an outlet end of the ointment storage box is directly connected with a cable core, a gear pump is arranged at the outlet end, the gear pump directly pumps ointment out to the cable core, the ointment automatic weighing system further comprises a weighing control unit, the weighing control unit comprises a weighing sensor and a weight PLC (programmable logic controller), the weight PLC is respectively and electrically connected with the diaphragm pump and the weighing sensor, ointment supplement is realized through the control of the weight PLC, and the calculation of the total weight of supplemented ointment and the calculation of the total weight of the pumped ointment are simultaneously carried out. By the aid of the ointment automatic weighing system and method, ointment can be automatically supplemented on line, ointment can be automatically added to the cable core, the phenomenon that the ointment overflows when the amount of the ointment is too large is avoided, the phenomenon that the ointment cannot be ejected when the amount of the ointment is too small is avoided, water seepage of the cable core is avoided, workload of workers is reduced, the amount of the ointment can be monitored on line in real time, and material accounting is achieved.)

1. An ointment automatic weighing system, characterized by, includes: an ointment barrel arranged on the production line and an ointment storage box which is connected with the ointment barrel and directly conveys ointment to the cable core,

the inlet end of the ointment storage box is connected with an ointment barrel, a diaphragm pump is arranged between the ointment barrel and the ointment storage box, the outlet end of the ointment storage box is provided with a gear pump, the gear pump directly pumps the ointment out to the cable core,

still include a weighing control unit, weighing control unit includes weighing sensor and weight PLC controller, weight PLC controller respectively with diaphragm pump and weighing sensor electric connection.

2. The ointment automatic weighing system of claim 1, wherein the ointment barrel is provided with an ointment barrel control valve for controlling the opening and closing of the ointment barrel.

3. The ointment automatic weighing system of claim 1, wherein the ointment storage tank is disposed below the production line frame, the ointment barrel is connected with an inlet end of the ointment storage tank through an oil inlet pipeline, the diaphragm pump is disposed on the oil inlet pipeline, an outlet end of the ointment storage tank is connected with the cable core through an oil outlet pipeline, and the gear pump is disposed on the oil outlet pipeline.

4. The ointment automatic weighing system of claim 3, wherein an oil inlet valve is provided on the oil inlet line near an inlet of the ointment storage tank, and an oil outlet valve is provided on the oil outlet line near an outlet of the ointment storage tank.

5. The ointment automatic weighing system of claim 4, wherein the weighing sensors are arranged on the machine frame at the left and right sides of the ointment storage tank, and the weight PLC controller is arranged inside the electric control tank.

6. The ointment automatic weighing system of claim 5, wherein the weighing sensor comprises a weighing module transmitter, and the weighing module transmitter is in communication with the weight PLC controller.

7. The ointment automatic weighing system of claim 5, wherein the electric cabinet is further provided with a control solenoid valve, an input end of the control solenoid valve is in communication connection with the weight PLC, an output end of the control solenoid valve is in communication connection with an I/O point of the weight PLC, and the I/O point of the weight PLC is set by the control solenoid valve.

8. The ointment automatic weighing system of claim 7, wherein the I/O point of the weight PLC controller is further in communication connection with an oil inlet valve.

9. An ointment automatic weighing method, characterized in that, the ointment automatic weighing system according to any one of claims 1 to 8 is adopted, and the ointment automatic weighing method comprises the following control steps:

s1, when the weight of the grease in the grease storage box changes, the weighing sensor senses the corresponding weight change, the weight change is converted into analog quantity through the weighing module transmitter, and the analog quantity is output to the weight PLC controller;

s2, the weight PLC receives the weight change analog quantity and calculates and reads the accumulated weight of the supplementary factice and the accumulated weight of the factice, then outputs factice weight signal to drive the control electromagnetic valve to set the digital signal of the I/O point of the weight PLC 10,

when the I/O point of the weight PLC controller = X1, the ointment is in a full state;

stopping supplying ointment when the I/O point of the weight PLC controller is larger than X2;

when the I/O point of the weight PLC controller is less than X2, ointment is supplemented until the I/O point is X1;

wherein X2 is less than X1;

and S3, outputting a digital signal to the oil inlet valve by the I/O point of the PLC, and controlling the opening and closing of the oil inlet valve to realize the addition of the ointment.

10. The ointment automatic weighing method according to claim 9, wherein the ointment replenishment amount is calculated by the following formula:

W3=W1-W2+K×n×ρ×t

in the formula: w1 is the set weight of the corresponding full-state ointment when the I/O point = X1, W2 is the set weight of the corresponding ointment needing to be supplemented when the I/O point = X2, W3 is the weight of the supplemented ointment, K is the gear pump coefficient, n is the gear pump rotating speed, rho is the ointment density, and t is the ointment supplementing time.

Technical Field

The invention relates to the technical field of optical cable manufacturing, in particular to an ointment automatic weighing system and method.

Background

Layer stranded optical cables are generally composed of a cable core, a sheath and a protective layer, the cable core is located at the center of the optical cable, the cable core includes a loose tube, and the loose tube includes an optical fiber or an optical fiber ribbon.

As is known, the water blocking performance is an important performance index of an optical cable, moisture and water entering the optical cable may bring great damage to the loss characteristic and static fatigue performance of the optical fiber, the optical fiber may be broken due to freezing of water existing in the cable core at low temperature, and the corrosion of water to the metal body in the cable may damage the service life of the optical cable.

Most manufacturers adopt a method of filling cable cores with optical cable ointment for longitudinal water blocking, and an ointment barrel can be placed for ointment beating in the cabling process. The existing ointment barrel can overflow ointment to the ground when the ointment is too much, so that the working environment is polluted, the ointment can be prevented from being thrown out when the ointment is too little, and the cable core is seeped.

Disclosure of Invention

The invention mainly solves the technical problem of providing an ointment automatic weighing system and method, which can automatically supplement ointment on line, automatically add ointment to a cable core, prevent the ointment from overflowing and wasting the ointment when the ointment is too much, pollute the working environment, avoid the phenomenon that the ointment cannot be ejected when the ointment is too little, avoid the water seepage of the cable core and reduce the workload of workers.

In order to solve the technical problems, the invention adopts a technical scheme that: an ointment automatic weighing system is provided, including: an ointment barrel arranged on the production line and an ointment storage box which is connected with the ointment barrel and directly conveys ointment to the cable core,

the inlet end of the ointment storage box is connected with an ointment barrel, a diaphragm pump is arranged between the ointment barrel and the ointment storage box, the outlet end of the ointment storage box is directly connected with the cable core, the outlet end is provided with a gear pump, the gear pump directly pumps the ointment out to the cable core,

still include a weighing control unit, weighing control unit includes weighing sensor and weight PLC controller, weight PLC controller respectively with diaphragm pump and weighing sensor electric connection.

In a preferred embodiment of the invention, the ointment barrel is provided with an ointment barrel control valve for controlling the opening and closing of the ointment barrel.

In a preferred embodiment of the invention, the ointment storage tank is arranged below the production line frame, the ointment barrel is connected with the inlet end of the ointment storage tank through an oil inlet pipeline, the diaphragm pump is arranged on the oil inlet pipeline, the outlet end of the ointment storage tank is connected with the cable core through an oil outlet pipeline, and the gear pump is arranged on the oil outlet pipeline.

In a preferred embodiment of the invention, an oil inlet valve is provided on the oil inlet line near the inlet of the ointment storage tank, and an oil outlet valve is provided on the oil outlet line near the outlet of the ointment storage tank.

In a preferred embodiment of the invention, the weighing sensors are arranged on the racks on the left and right sides of the grease storage tank, and the weight PLC controller is arranged inside the electric control tank.

In a preferred embodiment of the present invention, the load cell includes a load module transmitter communicatively coupled to the weight PLC controller.

In a preferred embodiment of the invention, the electric cabinet is further provided with a control solenoid valve, an input end of the control solenoid valve is in communication connection with the weight PLC, an output end of the control solenoid valve is in communication connection with an I/O point of the weight PLC, and the I/O point of the weight PLC is set through the control solenoid valve.

In a preferred embodiment of the invention, the I/O point of the weight PLC controller is also in communication connection with the oil inlet valve.

In order to solve the technical problems, the invention adopts a technical scheme that: the ointment automatic weighing system comprises the following control steps:

s1, when the weight of the grease in the grease storage box changes, the weighing sensor senses the corresponding weight change, the weight change is converted into analog quantity through the weighing module transmitter, and the analog quantity is output to the weight PLC controller;

s2, the weight PLC receives the weight change analog quantity and calculates and reads the accumulated weight of the supplementary factice and the accumulated weight of the factice, then outputs factice weight signal to drive the control electromagnetic valve to set the digital signal of the I/O point of the weight PLC 10,

when the I/O point of the weight PLC controller = X1, the ointment is in a full state;

stopping supplying ointment when the I/O point of the weight PLC controller is larger than X2;

when the I/O point of the weight PLC controller is less than X2, ointment is supplemented until the I/O point is X1;

wherein X2 is less than X1;

and S3, outputting a digital signal to the oil inlet valve by the I/O point of the PLC, and controlling the opening and closing of the oil inlet valve to realize the addition of the ointment.

In a preferred embodiment of the present invention, the factice replenishment quantity is calculated as follows:

W3=W1-W2+K×n×ρ×t

in the formula: w1 is the set weight of the corresponding full-state ointment when the I/O point = X1, W2 is the set weight of the corresponding ointment needing to be supplemented when the I/O point = X2, W3 is the weight of the supplemented ointment, K is the gear pump coefficient, n is the gear pump rotating speed, rho is the ointment density, and t is the ointment supplementing time.

The invention has the beneficial effects that: the automatic factice weighing system and method can automatically supplement factice on line, automatically add factice to the cable core, prevent the factice from overflowing and wasting the factice when the factice is too much, pollute the working environment, avoid the phenomenon that the factice cannot be ejected when the factice is too little, avoid the phenomenon of water seepage of the cable core, reduce the workload of workers, monitor the dosage of the factice on line in real time and realize material accounting.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic diagram of a preferred embodiment of the automatic ointment weighing system of the present invention;

FIG. 2 is a schematic structural diagram of a preferred embodiment of a weighing control unit in the automatic ointment weighing system of the present invention;

the parts in the drawings are numbered as follows: 1. the device comprises an ointment barrel, 2, an ointment barrel control valve, 3, a diaphragm pump, 4, an ointment storage box, 5, a weighing sensor, 6, an oil inlet valve, 7, an oil outlet valve, 8, an electric cabinet, 9, an oil inlet pipeline, 10, an oil outlet pipeline, 11, a gear pump, 12, a weight PLC (programmable logic controller), 13, a weighing module transmitter, 14, a control electromagnetic valve, 15 and an I/O (input/output) point.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 2, an embodiment of the present invention includes:

example one

An ointment automatic weighing system, comprising: place the oleamen bucket 1 of production line and with the oleamen bucket 1 link to each other directly to the oil storage cream case 4 of cable core transport oleamen, oleamen bucket 1 is connected to the entry end of oil storage cream case 4, the exit end lug connection cable core of oil storage cream case 4, the exit end is provided with gear pump 11, gear pump 11 directly beats the oleamen out to the cable core.

An ointment barrel control valve 2 for controlling the opening and closing of the ointment barrel is arranged on the ointment barrel 1, and the ointment barrel control valve 2 is opened in real time to fill ointment according to needs.

The ointment storage box 4 is arranged below the production line rack, the ointment barrel 1 is connected with the inlet end of the ointment storage box 4 through an oil inlet pipeline 9, and the outlet end of the ointment storage box 4 is connected with the cable core through an oil outlet pipeline.

A diaphragm pump 3 is arranged between the ointment barrel 1 and the ointment storage tank 4, and the diaphragm pump 3 is arranged on the oil inlet pipeline 9. An oil inlet valve 6 is arranged on the oil inlet pipeline 9 close to the inlet of the ointment storage tank 4, and an oil outlet valve 7 is arranged on the oil outlet pipeline 10 close to the outlet of the ointment storage tank 4.

The diaphragm pump 3 pumps the ointment in the ointment barrel 1 to the ointment storage box 4 through the oil inlet valve 6, and the ointment in the ointment storage box 4 is pumped to the cable core through the oil outlet valve 7 under the action of the gear pump 11 to be filled with the ointment.

Further, oleamen automatic weighing system still includes a weighing control unit, and weighing control unit includes weighing sensor 5 and weight PLC controller 12, and weight PLC controller 12 respectively with diaphragm pump 3 and weighing sensor 5 electric connection.

Specifically, weighing sensor 5 sets up in the frame of storing up the oleamen case 4 left and right sides, and weighing sensor 5 is provided with the upper limit and the lower limit of oleamen weighing weight, stops to supply the oleamen to storing up oleamen case 4 when oleamen weight reaches the upper limit, carries out the oleamen to storing up oleamen case 4 when oleamen weight reaches the lower limit and supplies work, and weighing sensor 5 can realize the accumulative total of oleamen and beat out, realizes the quantitative control of oleamen.

Weighing sensor 5 includes weighing module changer 13, and weighing module changer 13 is connected with weight PLC controller 12 communication, and inside electric cabinet 8 was located to weight PLC controller 12, weighing sensor 5 controlled through weight PLC controller 12.

The electric cabinet 8 is also provided with a control electromagnetic valve 14, the input end of the control electromagnetic valve 14 is in communication connection with the weight PLC controller 12, the output end of the control electromagnetic valve 14 is in communication connection with an I/O point 15 of the weight PLC controller 12, and the I/O point 15 of the weight PLC controller 12 is set through the control electromagnetic valve 14.

The I/O point 15 of the weight PLC 12 is also in communication connection with the oil inlet valve 6, and the oil paste is added by controlling the oil inlet valve 6.

Example two

An ointment automatic weighing method adopts the ointment automatic weighing system in the first embodiment, and comprises the following control steps:

s1, when the weight of the ointment in the ointment storage box 4 changes, the weighing sensor 5 timely senses the weight change of the two sides of the ointment storage box 4, and the weight change is converted into analog quantity through the weighing module transmitter 13 and output to the weight PLC 12 in the electric cabinet 8.

S2, the weight PLC 12 receives the weight change analog quantity and calculates and reads the accumulated weight of the supplementary factice and the accumulated weight of the factice, then outputs factice weight signal to drive the control electromagnetic valve 14 to set the digital signal of the I/O point 15 of the weight PLC 12,

wherein:

when the I/O point of the weight PLC controller is =100, the ointment is in a full state;

stopping replenishing the ointment when the I/O point of the weight PLC controller is more than 40;

when the I/O point of the weight PLC controller is less than 40, the ointment is supplemented until the I/O point is 100.

The factice supplement amount calculation formula is as follows:

W3=W1-W2+K×n×ρ×t

in the formula: w1 is the set weight of the corresponding full-state ointment when the I/O point = X1, W2 is the set weight of the corresponding ointment needing to be supplemented when the I/O point = X2, W3 is the weight of the supplemented ointment, K is the gear pump coefficient, n is the gear pump rotating speed, rho is the ointment density, and t is the ointment supplementing time.

S3, and an I/O point 15 of the PLC 12 outputs a digital signal to the oil inlet valve to control the opening and closing of the oil inlet valve 6, so that the ointment is added.

In conclusion, the weighing system is realized by converting the analog quantity into analog quantity through the weighing module transmitter 13 and outputting the analog quantity to the weight PLC 12, the weight PLC 12 calculates and reads the weight of the factice, the I/O point 15 of the weight PLC 12 is set through the electric cabinet 8 to control the electromagnetic valve 14, and then the oil inlet valve 6 is controlled to realize the addition of the factice.

The ointment automatic weighing system and the ointment automatic weighing method have the beneficial effects that:

the on-line automatic supplementary of oleamen can be carried out, automatic oleamen that adds is realized to the cable core, prevents that the oleamen from overflowing extravagant oleamen when too much, pollutes operational environment, avoids the oleamen to result in the oleamen can't be beaten out when the oleamen is too few, avoids the phenomenon of cable core infiltration, reduces workman's work load, and the quantity of oleamen can be monitored on line in real time simultaneously, realizes the material accounting.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.