CN209955420U - Paper tube machine constant tension and security control system - Google Patents
Paper tube machine constant tension and security control system Download PDFInfo
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- CN209955420U CN209955420U CN201920687633.2U CN201920687633U CN209955420U CN 209955420 U CN209955420 U CN 209955420U CN 201920687633 U CN201920687633 U CN 201920687633U CN 209955420 U CN209955420 U CN 209955420U
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Abstract
The utility model provides a paper tube machine permanent pulling force and security control system relates to paper processing system technical field, which comprises a frame, be equipped with belt drive mechanism and main motor and pulling force measurement and control device in the frame, pulling force measurement and control device includes force sensor, a control mechanism, pulling force adjusting device and display, a control mechanism includes the PLC controller, lower limit switch S1, upper limit switch S2 and upper limit switch S3, force sensor sets up on force adjusting device and links to each other with the PLC controller, lower limit switch S1 and upper limit switch S2 link to each other with force adjusting device, upper limit switch S3 links to each other with force adjusting device, upper limit switch S3 still links to each other with main motor. The tension of the belt can be kept to be controlled to constantly run within a set range by the arranged tension measurement and control device, so that the stability of the product quality is improved; when foreign matters are drawn into the belt, the tension adjusting device is controlled to release the belt on the belt transmission mechanism, so that the further development of disability accidents is avoided, the risk is reduced, and the safety is improved.
Description
Technical Field
The utility model belongs to the technical field of paper article system of processing and specifically relates to a paper tube machine permanent pulling force and security control system are related to.
Background
The paper tube machine is a machine for producing paper tubes, and the produced paper tubes are applied to various industries, such as chemical fiber industrial tubes, film industrial tubes, printing industrial tubes, paper making industrial tubes, leather industrial tubes, food packaging tubes, building industrial tubes, exhibition industrial tubes and the like. Paper tube machines are also of various types, the most common being spiral paper tube machines and flat-wound paper tube machines.
The applicant finds that the existing paper tube machine has at least the following technical problems: no matter what kind of form paper tube machine exists, basically all need the belt to carry out the crimping to the paper tape, but at present paper tube machine is when the staff operates, can't know the tensile size of belt, need rely on operative employee's experience and sensation, adjust the tensile size of belt with the hand wheel, nevertheless the pulling force is not of uniform size, can't the accurate confirmation, make the quality of product unstable, and the idol has carelessly, when having the foreign matter to be drawn into the belt, can't make emergency measures, take place the disability accident occasionally, make paper tube machine operative employee be in among the danger often.
Disclosure of Invention
The utility model aims to provide a paper tube machine constant tension and security control system to solve the technical problems that the tension of the belt is adjusted by a hand wheel in the prior art, the tension is different, the product quality is unstable, and the belt is often damaged or disabled, and a security protection system is lacked; the utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a paper tube machine constant tension and security control system, which comprises a frame, a belt transmission mechanism for paper rolling and a main motor for driving the belt transmission mechanism are arranged on the frame, and the paper tube machine constant tension and security control system also comprises a tension measurement and control device,
the tension measurement and control device comprises a tension sensor, a control mechanism, a tension adjusting device and a display, wherein the control mechanism comprises a PLC (programmable logic controller), a lower limit switch S1, an upper limit switch S2 and an upper limit switch S3, the tension sensor is arranged on the tension adjusting device and connected with the PLC, the display is connected with the PLC and displays the measured value of the tension sensor, the lower limit switch S1 and the upper limit switch S2 are connected with the tension adjusting device and respectively control the tension adjusting device to adjust the loosening and tensioning of the upper belt of the belt transmission mechanism, the upper limit switch S3 is connected with the tension adjusting device and control the tension adjusting device to adjust the loosening of the upper belt of the belt transmission mechanism, and the upper limit switch S3 is also connected with the main motor and controls the braking of the main motor.
The control principle of the system is explained in connection with the use process:
the system can be directly replaced on the existing paper tube machine, a tension sensor is additionally arranged on the tension adjusting device of the existing paper tube machine, preferably an air cylinder or a motor is used as the tension adjusting device, and then the tension sensor is connected to a control mechanism and a display to form a tension measuring and controlling device; when the device is used, a standard tension value, a tension upper limit value, a tension lower limit value and a tension upper limit value are set according to actual needs, the tension sensor displays the detected tension value on the belt on the display through the PLC, observation of an operator is facilitated, when the tension sensor detects that the tension value of the belt is greater than or equal to the upper limit value, the tension adjusting device is adjusted through the upper limit switch S2 to enable the belt transmission mechanism to release the belt, and when the tension value is reduced to a standard value, the tension adjusting device stops; therefore, the tension of the belt can be kept to be controlled to be constantly operated within a set range, and the stability of the product quality is improved; when foreign matters are drawn into the belt, the tension of the belt is increased sharply and reaches an upper limit value, the upper limit switch S3 controls the main motor to stop running, the belt is not in transmission, and the tension adjusting device is controlled to release the belt on the belt transmission mechanism, so that the development of further disabled accidents is avoided, the risk is reduced, and the safety and the product quality are improved.
Optionally, belt drive includes annular belt, two perpendicular rollers that link to each other with main motor, the reelpipe mould of level setting between two perpendicular rollers, perpendicular roller setting is in the frame, the both ends of annular belt overlap respectively on two perpendicular rollers and through the frictional force after the tensioning realize belt drive along with the rotation of perpendicular roller, the mid portion of annular belt is twist knot form winding and on the reelpipe mould and laminate the surperficial slip of reelpipe mould. The twisted shape means that after the annular belt is straightened, one end of the annular belt is fixed, the other end of the annular belt rotates by 360 degrees, the middle part of the annular belt can become a spiral shape, and then the pipe coiling mould is inserted between the two side belts after the annular belt is straightened, so that the connection between the annular belt and the pipe coiling mould is completed.
Optionally, be equipped with the slide rail in the frame, it all is equipped with a slip table to correspond every vertical roll on the slide rail, erects the roller setting on the slip table, tension adjusting device is for being equipped with the cylinder or the hydro-cylinder of solenoid valve, the solenoid valve is opened and close through lower limit switch S1, upper limit switch S2 and upper limit switch S3 control, tension adjusting device promotes the slip table through opening and close of solenoid valve and slides relatively on the slide rail and then adjusts the pulling force size between endless belt and the vertical roll. The tension adjusting device adjusts the relative position between the sliding tables by adjusting the length of the telescopic rod of the air cylinder or the oil cylinder through the opening and closing of the electromagnetic valve, so that the tension of the annular belt is adjusted.
Optionally, a lead screw is arranged on the rack, a ball nut is arranged on the lead screw corresponding to each vertical roller, the vertical rollers are arranged on the ball nuts, the tension adjusting device is a motor, the motor controls forward and reverse rotation through a lower limit switch S1, an upper limit switch S2 and an upper limit switch S3, and the tension adjusting device drives the lead screw to synchronously rotate through the forward and reverse rotation of the motor so as to adjust the relative position of the ball nuts on the lead screw. When the motor rotates forwards and backwards, the moving directions of the ball nuts on the lead screw are opposite, and then the relative distance of the vertical rollers on the sliding table is adjusted, so that the tensile force of the annular belt is adjusted. It is worth noting that the motor and the lead screw of the tension adjusting device can be connected and driven in a belt pulley and transmission belt mode, and a smaller motor is used through the variable shaft transmission effect of the belt pulley, so that the space is saved.
Optionally, a manual control wheel for manually adjusting rotation of the lead screw is further arranged on the tension measurement and control device, and the manual control wheel is coaxially connected with the lead screw. The manual control wheel that sets up can regard as artifical emergent adjusting device, avoids mechanical failure and can't control the pulling force size of endless belt.
Optionally, the lower limit switch S1, the upper limit switch S2 and the upper limit switch S3 are all connected with a PLC controller and control the braking of the tension adjusting device and the main motor through the PLC controller, the lower limit switch S1 is correspondingly provided with a lower limit normally open contact K1 and a contactor KM1, the upper limit switch S2 is correspondingly provided with an upper limit normally open contact K2 and a contactor KM2, the upper limit switch S3 is correspondingly provided with an upper limit normally open contact K3 and a contactor KM3, the contactor KM1 and the contactor KM2 are interlocked with each other, the contactor KM3 controlling the main motor is controlled through the input end of the PLC controller, and the lower limit normally open contact K1, the upper limit normally open contact K2 and the upper limit normally open contact K3 are interlocked with each other. The tension sensor transmits the acquired signal to the PLC controller, the signal is displayed in real time in a digital mode, when the signal is smaller than or equal to a lower limit value, a lower limit normally open contact K1 is closed, a motor rotates forwards (or an electromagnetic valve of an oil cylinder or an air cylinder is opened and closed), a belt is gradually tensioned, and the belt is stopped when the signal reaches a set value; when the value is larger than or equal to the upper limit value, the upper limit normally open contact K2 is closed, the motor is enabled to rotate reversely (or the electromagnetic valve of the oil cylinder or the air cylinder is enabled to be opened and closed), the belt is gradually loosened, and the device stops when the value reaches a set value; when the tension is greater than or equal to the upper limit value, the upper limit normally open contact K3 is closed, the main motor is stopped, meanwhile, the motor rotates reversely (or an electromagnetic valve of an oil cylinder or an air cylinder is opened and closed), the belt is loosened until the tension is zero, under the condition, the upper limit normally open contact K2 and the lower limit normally open contact K1 lose control action, the main motor cannot be automatically started again, manual restarting is needed, and personal safety is guaranteed.
Optionally, the lower limit switch S1, the upper limit switch S2, and the upper limit switch S3 are all manual button switches that control the tension adjusting device and the main motor. After the manual button switch can manually observe the display, the tension of the annular belt can be adjusted and the main motor can be braked according to the displayed numerical value.
Optionally, the main motor is connected with the vertical roller through a motor rotating shaft and drives the vertical roller to rotate synchronously.
Optionally, each vertical roller is correspondingly provided with a tension measuring and controlling device and a main motor.
Optionally, the motor adopted by the tension adjusting device is a speed reducing motor.
The utility model provides a pair of paper tube machine permanent pulling force and security control system, its beneficial effect is:
the tension of the belt can be kept to be controlled to constantly run within a set range by the arranged tension measurement and control device, so that the stability of the product quality is improved; when foreign matters are drawn into the belt, the tension of the belt is increased sharply and reaches an upper limit value, the upper limit switch S3 controls the main motor to stop running, the belt is not in transmission, and the tension adjusting device is controlled to release the belt on the belt transmission mechanism, so that the development of further disabled accidents is avoided, the risk is reduced, and the safety and the product quality are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic side view of a paper tube machine according to embodiment 4 of the present invention;
fig. 2 is a schematic top view of a paper tube machine according to embodiment 4 of the present invention;
fig. 3 is a schematic front view of a paper tube machine according to embodiment 4 of the present invention;
fig. 4 is a schematic front view of a paper tube machine according to embodiment 3 of the present invention;
fig. 5 is a schematic circuit diagram of the control mechanism of the present invention;
fig. 6 is a schematic diagram of the circuit connection of the contactor KM1, contactor KM2 and contactor KM3 according to the present invention.
In the figure, 1-a frame, 2-a main motor, 3-a tension sensor, 4-a control mechanism, 5-a tension adjusting device, 6-a display, 7-an annular belt, 8-a vertical roller, 9-a pipe coiling mold, 10-a slide rail, 11-a sliding table, 12-a lead screw, 13-a ball nut, 14-a manual control wheel and 15-a motor rotating shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As an alternative to the above-described embodiment,
example 1:
as shown in fig. 1-6, a constant tension and security control system for a paper tube machine comprises a frame 1, a belt transmission mechanism for rolling paper and a main motor 2 for driving the belt transmission mechanism are arranged on the frame 1, and a tension measurement and control device is further included,
the tension measurement and control device comprises a tension sensor 3, a control mechanism 4, a tension adjusting device 5 and a display 6, wherein the control mechanism 4 comprises a PLC (programmable logic controller), a lower limit switch S1, an upper limit switch S2 and an upper limit switch S3, the tension sensor 3 is arranged on the tension adjusting device 5 and is connected with the PLC, the display 6 is connected with the PLC and displays the measured value of the tension sensor 3, the lower limit switch S1 and the upper limit switch S2 are connected with the tension adjusting device 5 and respectively control the tension adjusting device 5 to adjust the loosening and tensioning of the upper belt of the belt transmission mechanism, the upper limit switch S3 is connected with the tension adjusting device 5 and controls the tension adjusting device 5 to adjust the loosening of the upper belt of the belt transmission mechanism, and the upper limit switch S3 is also connected with the main motor 2 and controls the braking of the main motor 2.
The control principle of the system is explained in connection with the use process:
the system can be directly replaced on the existing paper tube machine, the tension sensor 3 is additionally arranged on the tension adjusting device 5 of the existing paper tube machine, preferably, an air cylinder or a motor is used as the tension adjusting device 5, and then the tension sensor 3 is connected to the control mechanism 4 and the display 6 to form a tension measuring and controlling device; when the device is used, a standard tension value, a tension upper limit value, a tension lower limit value and a tension upper limit value are set according to actual needs, the tension sensor 3 displays the detected tension value on the belt on the display 6 through the PLC, observation of an operator is facilitated, when the tension sensor 3 detects that the tension value of the belt is greater than or equal to the upper limit value, the tension adjusting device 5 is adjusted through the upper limit switch S2 to enable the belt transmission mechanism to release the belt, and when the tension value is reduced to the standard value, the tension adjusting device 5 stops; therefore, the tension of the belt can be kept to be controlled to be constantly operated within a set range, and the stability of the product quality is improved; when foreign matters are drawn into the belt, the tension of the belt is increased sharply and reaches the upper limit value, the upper limit switch S3 controls the main motor 2 to stop running, the belt is not in transmission, and the tension adjusting device 5 is controlled to release the belt on the belt transmission mechanism, so that the development of further disability accidents is avoided, the risk is reduced, and the safety and the product quality are improved.
Example 2:
on the basis of the above-mentioned embodiments, as a further preferable solution: as shown in fig. 1-4, the belt transmission mechanism includes an annular belt 7, two vertical rollers 8 connected to the main motor 2, and a pipe coiling mold 9 horizontally disposed between the two vertical rollers 8, the vertical rollers 8 are disposed on the frame 1, two ends of the annular belt 7 are respectively sleeved on the two vertical rollers 8 and realize belt transmission along with rotation of the vertical rollers 8 by means of the friction force after tensioning, and the middle part of the annular belt 7 is twisted and wound on the pipe coiling mold 9 and is attached to the surface of the pipe coiling mold 9 to slide. The twisted shape means that after the annular belt 7 is straightened, one end of the annular belt 7 is fixed, the other end of the annular belt 7 rotates 360 degrees, the middle part of the annular belt 7 becomes spiral, and then the pipe coiling mold 9 is inserted between the two side belts after the annular belt 7 is straightened, namely the connection of the annular belt 7 and the pipe coiling mold 9 is completed.
Example 3:
on the basis of the above-mentioned embodiments, as a further preferable solution: as shown in fig. 4, be equipped with slide rail 10 in the frame 1, it all is equipped with a slip table 11 to correspond every vertical roller 8 on the slide rail 10, and vertical roller 8 sets up on slip table 11, the cylinder or the hydro-cylinder of tension adjusting device 5 for being equipped with the solenoid valve, the solenoid valve is opened and close through lower limit switch S1, upper limit switch S2 and upper limit switch S3 control, tension adjusting device 5 promotes slip table 11 through opening and close of solenoid valve and relative slip on slide rail 10 and then adjusts the pulling force size between endless belt 7 and the vertical roller 8. The tension adjusting device 5 adjusts the relative position between the sliding tables 11 by adjusting the length of the telescopic rod of the cylinder or the oil cylinder through the opening and closing of the electromagnetic valve, and further adjusts the tension of the annular belt 7.
Example 4:
on the basis of the above-mentioned embodiments, as a further preferable solution: as shown in fig. 1-3, a screw 12 is disposed on the machine frame 1, a ball nut 13 is disposed on the screw 12 corresponding to each vertical roller 8, the vertical rollers 8 are disposed on the ball nuts 13, the tension adjusting device 5 is a motor, the motor controls forward and reverse rotation through a lower limit switch S1, an upper limit switch S2 and an upper limit switch S3, and the tension adjusting device 5 drives the screw 12 to synchronously rotate through forward and reverse rotation of the motor to adjust a relative position of the ball nut 13 on the screw 12. When the motor rotates forwards and backwards, the moving directions of the ball nuts 13 on the lead screw 12 are opposite, and then the relative distance of the vertical roller 8 on the sliding table 11 is adjusted, so that the tension of the annular belt 7 is adjusted. It should be noted that, as shown in fig. 1 and fig. 2, the motor of the tension adjusting device 5 and the lead screw 12 can be connected and driven by a belt pulley and a driving belt, and a smaller motor is used by the variable-shaft driving function of the belt pulley, thereby saving space
Example 5:
on the basis of the above-mentioned embodiments, as a further preferable solution: as shown in fig. 1-3, a manual control wheel 14 for manually adjusting the rotation of the lead screw 12 is further disposed on the tension measurement and control device, and the manual control wheel 14 is coaxially connected with the lead screw 12. The manual control wheel 14 can be used as a manual emergency adjusting device to avoid mechanical failure and incapability of controlling the tension of the annular belt 7.
Example 6:
on the basis of the above-mentioned embodiments, as a further preferable solution: as shown in fig. 5-6, a lower limit switch S1, an upper limit switch S2 and an upper limit switch S3 are all connected to a PLC controller and control the tension adjusting device 5 and the braking of the main motor 2 through the PLC controller, the lower limit switch S1 is correspondingly provided with a lower limit normally open contact K1 and a contactor KM1, the upper limit switch S2 is correspondingly provided with an upper limit normally open contact K2 and a contactor KM2, the upper limit switch S3 is correspondingly provided with an upper limit normally open contact K3 and a contactor KM3, the contactor KM1 and the contactor KM2 are interlocked, the contactor KM3 controlling the main motor 2 is controlled through an input end of the PLC controller, and the lower limit normally open contact K1, the upper limit normally open contact K2 and the upper limit normally open contact K3 are interlocked. The tension sensor 3 transmits the acquired signal to the PLC controller, and displays the signal in real time in a digital mode, when the signal is smaller than or equal to a lower limit value, a lower limit normally open contact K1 is closed, a motor rotates forwards (or an electromagnetic valve of an oil cylinder or an air cylinder is opened and closed), a belt is gradually tensioned, and the belt is stopped when the signal reaches a set value; when the value is larger than or equal to the upper limit value, the upper limit normally open contact K2 is closed, the motor is enabled to rotate reversely (or the electromagnetic valve of the oil cylinder or the air cylinder is enabled to be opened and closed), the belt is gradually loosened, and the device stops when the value reaches a set value; when the value is larger than or equal to the upper limit value, the upper limit normally open contact K3 is closed, the main motor 2 is stopped, meanwhile, the motor rotates reversely (or an electromagnetic valve of an oil cylinder or an air cylinder is opened and closed), the belt is loosened until the tension is zero, under the condition, the upper limit normally open contact K2 and the lower limit normally open contact K1 lose the control effect, the main motor 2 cannot be automatically started again, manual restarting is needed, and personal safety is guaranteed.
Example 7:
on the basis of the above-mentioned embodiments, as a further preferable solution: the lower limit switch S1, the upper limit switch S2, and the upper limit switch S3 are all manual button switches that control the tension adjusting device 5 and the main motor 2. The manual button switch can adjust the tension of the endless belt 7 and brake the main motor 2 according to the displayed value after manually observing the display 6.
Example 8:
on the basis of the above-mentioned embodiments, as a further preferable solution: as shown in fig. 4, the main motor 2 is connected with the vertical rollers 8 through the motor rotating shaft 15 and drives the vertical rollers 8 to rotate synchronously, each vertical roller 8 is correspondingly provided with a tension measuring and controlling device and the main motor 2, and the motor of the tension adjusting device 5 is a speed reducing motor.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A paper tube machine constant tension and security control system comprises a frame (1), wherein the frame (1) is provided with a belt transmission mechanism for rolling paper and a main motor (2) for driving the belt transmission mechanism, and is characterized by also comprising a tension measurement and control device,
the tension measurement and control device comprises a tension sensor (3), a control mechanism (4), a tension adjusting device (5) and a display (6), the control mechanism comprises a PLC controller, a lower limit switch S1, an upper limit switch S2 and an upper limit switch S3, the tension sensor (3) is arranged on the tension adjusting device (5) and is connected with the PLC controller, the display (6) is connected with the PLC and displays the measured value of the tension sensor (3), the lower limit switch S1 and the upper limit switch S2 are connected with the tension adjusting device (5) and respectively control the tension adjusting device (5) to adjust the loosening and tightening of the belt on the belt transmission mechanism, the upper limit switch S3 is connected with the tension adjusting device (5) and controls the tension adjusting device (5) to adjust the loosening of the belt on the belt transmission mechanism, the upper limit switch S3 is also connected with the main motor (2) and controls the braking of the main motor (2).
2. The paper tube machine constant-tension and security control system according to claim 1, wherein the belt transmission mechanism comprises an annular belt (7), two vertical rollers (8) connected with the main motor (2), and a tube coiling mold (9) horizontally arranged between the two vertical rollers (8), the vertical rollers (8) are arranged on the frame (1), two ends of the annular belt (7) are respectively sleeved on the two vertical rollers (8) and realize belt transmission along with rotation of the vertical rollers (8) through friction force after tensioning, and the middle part of the annular belt (7) is wound on the tube coiling mold (9) in a twist knot shape and is attached to the surface of the tube coiling mold (9) to slide.
3. The paper tube machine constant tension and security control system according to claim 2, wherein a slide rail (10) is arranged on the frame (1), a sliding table (11) is arranged on the slide rail (10) corresponding to each vertical roller (8), the vertical rollers (8) are arranged on the sliding table (11), the tension adjusting device (5) is a cylinder or an oil cylinder provided with an electromagnetic valve, the electromagnetic valve is controlled to be opened and closed through a lower limit switch S1, an upper limit switch S2 and an upper limit switch S3, and the tension adjusting device (5) pushes the sliding table (11) to relatively slide on the slide rail (10) through the opening and closing of the electromagnetic valve so as to adjust the tension between the annular belt (7) and the vertical rollers (8).
4. The constant-tension and security control system of the paper tube machine as claimed in claim 2, wherein a lead screw (12) is provided on the frame (1), a ball nut (13) is provided on the lead screw (12) corresponding to each vertical roller (8), the vertical rollers (8) are provided on the ball nuts (13), the tension adjusting device (5) is a motor, the motor controls forward and reverse rotation through a lower limit switch S1, an upper limit switch S2 and an upper limit switch S3, and the tension adjusting device (5) drives the lead screw (12) to synchronously rotate through forward and reverse rotation of the motor so as to adjust the relative position of the ball nut (13) on the lead screw (12).
5. The paper tube machine constant tension and security control system according to claim 4, wherein a manual control wheel (14) for manually adjusting rotation of the lead screw (12) is further arranged on the tension measurement and control device, and the manual control wheel (14) is coaxially connected with the lead screw (12).
6. The constant-tension and security control system of the paper tube machine as claimed in claim 1, wherein the lower limit switch S1, the upper limit switch S2 and the upper limit switch S3 are all connected to a PLC controller and control the tension adjusting device (5) and the braking of the main motor (2) through the PLC controller, the lower limit switch S1 is correspondingly provided with a lower limit normally open contact K1 and a contactor KM1, the upper limit switch S2 is correspondingly provided with an upper limit normally open contact K2 and a contactor KM2, the upper limit switch S3 is correspondingly provided with an upper limit normally open contact K3 and a contactor KM3, the contactor KM1 and the contactor KM2 are interlocked, the contactor KM3 of the main motor (2) is controlled through an input end of the PLC controller, and the lower limit normally open contact K1, the upper limit normally open contact K2 and the upper limit normally open contact K3 are interlocked.
7. The constant tension and security control system of the paper tube machine as claimed in claim 1, wherein the lower limit switch S1, the upper limit switch S2 and the upper limit switch S3 are all manual button switches for controlling the tension adjusting device (5) and the main motor (2).
8. The constant-tension and security control system of the paper tube machine as claimed in claim 3 or 5, wherein the main motor (2) is connected with the vertical roller (8) through a motor rotating shaft (15) and drives the vertical roller (8) to rotate synchronously.
9. The constant-tension and security control system of the paper tube machine as claimed in claim 3 or 5, wherein each vertical roller (8) is provided with a tension measurement and control device and a main motor (2) correspondingly.
10. The constant tension and security control system of the paper tube machine as claimed in claim 5, wherein the motor adopted by the tension adjusting device (5) is a speed reducing motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920687633.2U CN209955420U (en) | 2019-05-14 | 2019-05-14 | Paper tube machine constant tension and security control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920687633.2U CN209955420U (en) | 2019-05-14 | 2019-05-14 | Paper tube machine constant tension and security control system |
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| Publication Number | Publication Date |
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| CN209955420U true CN209955420U (en) | 2020-01-17 |
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| CN201920687633.2U Expired - Fee Related CN209955420U (en) | 2019-05-14 | 2019-05-14 | Paper tube machine constant tension and security control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370587A (en) * | 2021-06-21 | 2021-09-10 | 湖北克拉弗特实业有限公司 | Preparation device of paper straw |
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2019
- 2019-05-14 CN CN201920687633.2U patent/CN209955420U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370587A (en) * | 2021-06-21 | 2021-09-10 | 湖北克拉弗特实业有限公司 | Preparation device of paper straw |
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