CN216234563U - Limit control feeding mechanism - Google Patents
Limit control feeding mechanism Download PDFInfo
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- CN216234563U CN216234563U CN202122789806.1U CN202122789806U CN216234563U CN 216234563 U CN216234563 U CN 216234563U CN 202122789806 U CN202122789806 U CN 202122789806U CN 216234563 U CN216234563 U CN 216234563U
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- sensor
- screw feeder
- controller
- feeding mechanism
- stroke
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Abstract
The utility model discloses a limit control feeding mechanism which comprises a storage bin, a screw feeder, an intermediate barrel and a controller, wherein the intermediate barrel is arranged between the storage bin and the screw feeder, the inlet of the intermediate barrel is connected with the discharge hole of the storage bin, the outlet of the intermediate barrel is connected with the feed hole of the screw feeder, a spiral conveyor is arranged in the intermediate barrel, the spiral conveyor is connected with a motor, and the motor is connected with the controller; the upper part of the screw feeder is provided with an upper sensor, the lower part of the screw feeder is provided with a lower sensor, and the upper sensor and the lower sensor are connected with a controller. The middle barrel is used as a feeding buffer section, the upper sensor and the lower sensor are used for detecting the stock of raw materials in the spiral feeder, when the upper sensor detects the raw materials, the raw materials in the spiral feeder are accumulated, the controller stops feeding the spiral feeder through the motor control spiral conveyor until the lower sensor detects that no raw materials exist at the lower part of the spiral feeder, the controller feeds the spiral feeder through the motor control spiral conveyor, and when the normal feeding of the spiral feeder to the extruder is ensured, the raw materials are prevented from overflowing and being wasted after being accumulated.
Description
Technical Field
The utility model belongs to the technical field of ceiling film production, and particularly relates to a limiting control feeding mechanism.
Background
In the production process of the ceiling film, raw materials are directly fed from a storage bin to a screw feeder, then are conveyed to an extruder by the screw feeder to obtain molten materials, and the molten materials are further produced into the film by a rolling machine and a calender. In actual production, the staff is according to the follow-up technology shaping condition of product, the extrusion rate of control extruder, but can not the synchronous control feed bin unloading rate, consequently the condition that the rate of extrusion is less than unloading rate appears, leads to the raw materials to pile up in the spiral shell confession machine, slowly can spill over, causes the raw materials extravagant. In addition, if the raw material is accumulated in the screw feeder, the screw of the screw feeder moves upwards, so that the gear box is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a limiting control feeding mechanism which is used for controlling the blanking of a storage bin, avoiding raw material accumulation and causing overflow waste, and solving the problem that a screw machine top is damaged due to raw material accumulation.
The technical scheme adopted by the utility model is that the limit control feeding mechanism comprises a storage bin and a screw feeder, wherein a screw is arranged in the screw feeder, the top end of the screw is connected with a gear box, an intermediate barrel is arranged between the storage bin and the screw feeder, the inlet of the intermediate barrel is connected with the discharge hole of the storage bin, the outlet of the intermediate barrel is connected with the feed hole of the screw feeder, a spiral conveyor is arranged in the intermediate barrel and is connected with a motor, and the motor is connected with a controller; the upper part of the screw feeder is provided with an upper sensor, the lower part of the screw feeder is provided with a lower sensor, and the upper sensor and the lower sensor are connected with a controller.
Preferably, the gear box top is equipped with stroke sensing device, and stroke sensing device includes stroke pole, driving plate and micro-gap switch, stroke pole bottom end fixed connection gear box top, driving plate connection stroke pole upper portion, and one end level stretches out the gear box top and connects micro-gap switch, micro-gap switch connection director.
Preferably, the stroke rod adopts a threaded rod, a stabilizing plate is fixedly arranged above the transmission plate on the stroke rod, and the stabilizing plate adopts an iron plate.
Preferably, the gearbox further comprises a mounting frame, the mounting frame is of a box body structure with openings on two sides, the bottom of the mounting frame is fixed to the rack on one side of the top end of the gearbox through bolts, and the micro switch is mounted in the mounting frame.
Preferably, an alarm is arranged below the screw feeder and connected with the controller.
Preferably, one side of the upper sensor and one side of the lower sensor are also provided with purging pipes, and the purging pipes are connected with an air generating device.
Compared with the prior art, the utility model has the beneficial effects that:
1) the middle barrel is additionally arranged between the storage bin and the screw feeder and serves as a feeding buffer section, the stock of raw materials in the screw feeder is detected by using the upper sensor and the lower sensor, when the upper sensor detects the raw materials, the accumulation of the raw materials in the screw feeder is indicated, the controller controls the screw conveyor to stop feeding the screw feeder through the motor until the lower sensor detects that no raw materials exist at the lower part of the screw feeder, the controller controls the screw conveyor to feed the screw feeder through the motor, and the phenomenon that the raw materials overflow and waste after accumulation is avoided while the screw feeder normally feeds the extruder is ensured;
2) through set up stroke induction system on the gear box top, when spiral shell confession quick-witted screw rod was to the action of gear box ascending top, stroke induction system gives the controller with signal transmission, and controller control motor stops, closes spiral shell confession machine and screw conveyer to make the alarm send alarm signal, thereby avoid the raw materials to pile up and cause the bad gear box in screw rod machine top.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a stroke sensing device according to the present invention;
FIG. 3 is a schematic view of the microswitch installation of the present invention;
the labels in the figure are: 1. feed bin, 2, spiral shell supply machine, 201, alarm, 3, gear box, 4, middle section of thick bamboo, 401, screw conveyer, 402, motor, 5, controller, 6, last sensor, 7, lower sensor, 8, stroke induction system, 801, stroke pole, 802, driving plate, 803, micro-gap switch, 804, firm version, 805, mounting bracket, 9, sweep the pipe.
Detailed Description
The utility model will be further explained in conjunction with the drawings attached to the specification in order to facilitate better understanding by those skilled in the art.
Example 1
As shown in fig. 1-3, a limit control feeding mechanism comprises a storage bin 1, a screw feeder 2, a gear box 3, a middle cylinder 4, a controller 5, an upper sensor 6, a lower sensor 7 and a stroke sensing device 8.
The screw feeder 2 is internally and vertically provided with a screw, the top end of the screw is connected with a gear box 3, the gear box 3 is fixed on the frame and is connected with a motor, and the motor is connected with a controller 5. The middle cylinder 4 is arranged between the stock bin 1 and the screw feeder 2, the inlet of the middle cylinder 4 is connected with the discharge hole of the stock bin 1 through a conveying pipeline, the outlet of the middle cylinder 4 is connected with the feed hole of the screw feeder 2, and a metal separator 10 is arranged between the outlet of the middle cylinder 4 and the feed hole of the screw feeder 2 to screen and separate metal in the raw materials; go up sensor 6 and install on 2 upper portions of spiral shell confession machine, lower sensor 7 is installed in 2 lower parts of spiral shell confession machine, goes up sensor 6 and lower sensor 7 and connects controller 5 respectively, specifically, go up sensor 6 and lower sensor 7 and adopt level sensor, when last sensor 6 detects the raw materials, explain that the raw materials piles up in the spiral shell confession machine 2, controller 5 controls screw conveyer 401 through motor 402 and stops to the 2 pay-off of spiral shell confession machine, and no raw materials in 2 lower parts of spiral shell confession machine are detected to sensor 7 down, and controller 5 controls screw conveyer 401 through motor 402 and supplies material to spiral shell confession machine 2, when guaranteeing the normal feed of spiral shell confession machine 2 to the extruder, avoids the raw materials to pile up the back and spills over extravagantly.
Preferably, the stroke rod 801 is a threaded rod, so that the transmission plate 802 is convenient to mount, a stabilizing plate 804 is fixedly arranged on the stroke rod 801 above the transmission plate 802, the stabilizing plate 804 is an iron plate, the weight of the stroke rod 801 is increased, and when the screw rod is not pushed up, the micro switch 803 is prevented from being mistakenly operated due to vibration during machine operation.
Preferably, the stroke sensing device 8 further comprises a mounting frame 805, the mounting frame 805 is a box structure with openings at two sides and is made of steel plates, the bottom of the mounting frame 805 is fixed to the rack on one side of the top end of the gear box 3 through bolts, and the micro switch 803 is installed in the mounting frame 805, so that the stability of the micro switch 803 is ensured, and misoperation caused by interference of other factors is prevented.
Preferably, an alarm 201 is arranged below the screw feeder 2, the alarm 201 is connected with the controller 5, after the micro switch 803 is started, the controller 5 controls the alarm 201 to give out an early warning, so that a worker can timely handle the alarm, and after the micro switch 803 automatically resets, the alarm is eliminated.
Preferably, go up sensor 6 and sensor 7 one side still is equipped with the purge tube 9 down, and purge tube 9 connects air generating device, utilizes compressed air to purge sensor 6 and sensor 7 down, avoids raw materials to glue to influence sensor 6 and sensor 7 judgement down.
The feeding device utilizes the middle barrel 4 to limit and control feeding to the screw feeder 2, so that the normal feeding of the screw feeder 2 is ensured, meanwhile, the accumulation of raw materials in the screw feeder is avoided, and the raw materials are prevented from overflowing and being wasted; in addition, the upper part of the gear box 3 is provided with the stroke sensing device 8, so that the action of the screw rod is timely known, the equipment is controlled to stop running, and the gear box 3 is prevented from being damaged by the upper top of the device. After the device is put into use, the series of problems caused by accumulation of materials in the spiral feeder 2 are effectively solved, continuous production is ensured, and the practicability is high.
The above-described examples are merely illustrative of preferred embodiments of the present invention and do not limit the scope of the present invention. Various modifications and alterations of this invention will become apparent to those skilled in the art without departing from the spirit and principles of this invention, and it is intended to cover such modifications and alterations in the utility model as fall within the true spirit and scope of the appended claims.
Claims (6)
1. A limit control feeding mechanism comprises a storage bin (1) and a screw feeder (2), wherein a screw rod is arranged in the screw feeder (2), and the top end of the screw rod is connected with a gear box (3), and is characterized in that an intermediate barrel (4) is arranged between the storage bin (1) and the screw feeder (2), the inlet of the intermediate barrel (4) is connected with the discharge hole of the storage bin (1), the outlet of the intermediate barrel is connected with the feed hole of the screw feeder (2), a spiral conveyor (401) is arranged in the intermediate barrel (4), the spiral conveyor (401) is connected with a motor (402), and the motor (402) is connected with a controller (5); sensor (6) are installed on spiral shell confession machine (2) upper portion, and sensor (7) down are installed to the lower part, go up sensor (6) and sensor (7) connection director (5) down.
2. A limit control feeding mechanism according to claim 1, characterized in that a stroke sensing device (8) is arranged above the gear box (3), the stroke sensing device (8) comprises a stroke rod (801), a driving plate (802) and a microswitch (803), the bottom end of the stroke rod (801) is fixedly connected with the top end of the gear box (3), the driving plate (802) is connected with the upper part of the stroke rod (801), one end of the driving plate horizontally extends out of the top end of the gear box (3) to be connected with the microswitch (803), and the microswitch (803) is connected with the controller (5).
3. The feeding mechanism with the limit control as claimed in claim 2, wherein the stroke rod (801) is a threaded rod, a stabilizing plate (804) is fixedly arranged on the stroke rod (801) above the transmission plate (802), and the stabilizing plate (804) is an iron plate.
4. A feeding mechanism with limit control according to claim 2, characterized in that the stroke sensing device (8) further comprises a mounting bracket (805), the mounting bracket (805) is a box structure with openings at two sides, the bottom of the mounting bracket is fixed on the rack at one side of the top end of the gear box (3) through bolts, and the micro switch (803) is installed in the mounting bracket (805).
5. A position-limiting control feeding mechanism according to claim 1, characterized in that an alarm (201) is arranged below the screw feeder (2), and the alarm (201) is connected with the controller (5).
6. The limit control feeding mechanism according to claim 1, wherein a purging pipe (9) is further arranged on one side of the upper sensor (6) and one side of the lower sensor (7), and the purging pipe (9) is connected with an air generating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122789806.1U CN216234563U (en) | 2021-11-15 | 2021-11-15 | Limit control feeding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122789806.1U CN216234563U (en) | 2021-11-15 | 2021-11-15 | Limit control feeding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216234563U true CN216234563U (en) | 2022-04-08 |
Family
ID=80940753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122789806.1U Active CN216234563U (en) | 2021-11-15 | 2021-11-15 | Limit control feeding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216234563U (en) |
-
2021
- 2021-11-15 CN CN202122789806.1U patent/CN216234563U/en active Active
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