CN217229081U

CN217229081U - Screw conveyer with foreign matter detection protection

Info

Publication number: CN217229081U
Application number: CN202220293522.5U
Authority: CN
Inventors: 房少刚; 穆云龙; 宓连村
Original assignee: Haihui Group Co ltd
Current assignee: Haihui Group Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-08-19
Anticipated expiration: 2032-02-14

Abstract

The utility model relates to a screw conveyer with foreign matter detects protection belongs to conveying equipment technical field. The screw conveyer comprises a horizontal conveying groove and a screw conveying shaft, wherein the screw conveying rod is transversely arranged along the length direction of the conveying groove, two ends of the screw conveying shaft are respectively connected with side walls at two ends of the conveying groove through bearing seats, one end of the screw conveying shaft penetrates out of the conveying groove and is connected with the output end of a driving motor through a coupling, a rotating speed sensor is fixed at the coupling of the screw conveyer through a support, the sensing end of the rotating speed sensor is abutted to the coupling, the rotating speed sensor is electrically connected with a PLC (programmable logic controller), and the power supply control end of the driving motor is electrically connected with the PLC. The utility model discloses a screw conveyer detects the rotational speed of shaft coupling by speed sensor, through opening of PLC controller automatic control driving motor, realizes the automatic protection when the foreign matter blocks up.

Description

Screw conveyer with foreign matter detection protection

Technical Field

The utility model relates to a conveying equipment technical field, concretely relates to screw conveyer with foreign matter detects protection.

Background

Screw conveyors are used in industrial processes to convey materials. However, the conveyed materials sometimes have solid foreign matters with different sizes. When the foreign matter size is too big, can cause bolt conveyer reamer to damage or motor stall damage scheduling problem. Because present screw conveyer adopts unmanned on duty automatic operation more, and the artifical inspection can't in time discover screw conveyer internal foreign matter blocking condition, can't in time discover to handle when the foreign matter gets into the conveyer, can only wait until the foreign matter seriously blocks up equipment and causes equipment trouble to shut down or can discover the problem after damaging, but the problem has caused serious equipment damage and economic loss this moment. And when blocking up big particulate matter, the big particulate matter often can tightly block in screw conveyer, hardly takes out it.

Disclosure of Invention

For solving the problem among the prior art, the utility model discloses a designed screw conveyer with foreign matter detection protection, can carry out the self-protection by auto-stop when blockking up the foreign matter, the clearance of the plug of being convenient for moreover.

The utility model adopts the technical proposal that: the screw conveyer comprises a horizontal conveying groove, a screw conveying shaft and a driving motor, wherein the screw conveying shaft is transversely arranged along the length direction of the conveying groove, two ends of the screw conveying shaft are respectively connected with two end wall plates of the conveying groove through bearing seats, one end of the screw conveying shaft penetrates out of the conveying groove and is connected with the output end of the driving motor through a coupler, the coupler of the screw conveyer is connected with a rotating speed sensor through a support, the rotating speed sensor is electrically connected with a PLC (programmable logic controller), and the power supply control end of the driving motor is electrically connected with the PLC.

Furthermore, the PLC controller of the screw conveyer is electrically connected with an audible and visual alarm.

Further, the discharge opening of the conveying trough is arranged at the bottom of one end far away from the driving motor.

Further, the conveyer trough includes the wallboard at U type cell body and both ends, the inboard both ends of cell body are provided with vertically U type baffle respectively, the wallboard that the conveyer trough is close to driving motor one end is the equipment wallboard, the outside at this end shield of cell body is connected through fastening bolt to the equipment wallboard, the wallboard that driving motor one end was kept away from to the conveyer trough is articulated wallboard, articulated wallboard articulates on the cell body through the round pin axle, is located the inboard of this end shield.

Furthermore, the contact surfaces of the wall plates at the two ends and the baffle plates at the two ends of the groove body are respectively provided with a sealing rubber gasket.

Compared with the prior art, the utility model discloses a screw conveyer with foreign matter detects protection's progress part lies in: set up speed sensor in the shaft coupling department of conveyer, and through the power of PLC controller control driving motor, when the foreign matter enters into screw conveyer and influences equipment operation, screw conveyer's rotational speed can slow down and even stop, speed sensor passes this real-time rotational speed signal to the PLC controller, the PLC controller is with real-time rotational speed and normal rotational speed comparison and calculate the difference, the PLC controller just can control driving motor outage shut down when the difference is greater than the alarm value of settlement, and send the warning shut down signal by audible-visual annunciator, remind the user in time to look over the fault conditions. The two ends of the spiral conveying shaft are connected with the groove body of the conveying groove in an assembling mode through the wall plates, the spiral conveying shaft can be opened and lifted, and foreign matters in the conveying shaft can be conveniently cleaned when the conveying device is blocked by the foreign matters.

Drawings

Fig. 1 is a schematic view of a screw conveyor with foreign matter detection protection.

In the figure, a conveying trough 1, a spiral conveying shaft 2, a driving motor 3, a coupling 4, a speed sensor 5, an 11-U-shaped trough body, an assembly wall plate 12, a hinged wall plate 13, a sealing rubber pad 14, a discharge opening 15 and a baffle 16.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments. The technical solutions in the embodiments of the present invention are clearly and completely described, and the described embodiments are only some embodiments of the present invention, not all embodiments of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1, the utility model discloses a designed an embodiment of screw conveyer with foreign matter detection protection, screw conveyer includes horizontal conveyer trough 1, auger delivery axle 2 and driving motor 3 in this embodiment. The spiral conveying shaft 2 is transversely arranged along the length direction of the conveying groove 1, two ends of the spiral conveying shaft 2 are respectively connected with wall plates at two ends of the conveying groove 1 through bearing seats, and the right side end of the spiral conveying shaft 2 penetrates out of the wall plates of the conveying groove 1 and is connected with the output end of the driving motor 3 through a coupler 4. There is speed sensor 5 at 4 departments of shaft coupling of screw conveyer through the leg joint, and 5 electric connection of speed sensor have a PLC controller, give the PLC controller with the real-time rotational speed condition transmission of shaft coupling 4. The PLC controller is arranged in an electric control cabinet of the screw conveyor, and a power supply control end of the driving motor 3 is electrically connected with the PLC controller. Simultaneously, screw conveyer's PLC controller electric connection has audible-visual annunciator. The PLC is used for calculating and comparing a rotating speed value transmitted by the rotating speed sensor 5 in real time with a set safety value, automatically controlling the driving motor 3 to stop when blockage occurs, and controlling the audible and visual alarm to give an alarm.

Conveying trough 1 includes the wallboard at U type cell body 11 and both ends, and the outside of U type cell body 11 is provided with twice and supports deep floor, and conveying trough 1's discharge opening 15 is opened in the left end bottom of keeping away from driving motor 3. The inner sides of two ends of the U-shaped groove body 11 are respectively provided with a vertical U-shaped baffle 16, wherein the baffle 16 at the right side end is provided with two symmetrical internal thread through holes, and a distance is reserved between the baffle 16 and the right side end face of the groove body 11. The wall plate of the conveying trough 1 close to the right side end of the driving motor 3 is an assembly wall plate 12, and the assembly wall plate 12 is connected to the outer side of the baffle plate at the right side end of the U-shaped trough body 11 through two fastening bolts. The wallboard of the left end of the conveying trough 1 far away from the driving motor 3 is a hinged wallboard 13, and two sides of the hinged wallboard 13 are respectively hinged on the trough wall of the U-shaped trough body 11 through pin shafts and located on the inner side of the end baffle. Sealing rubber pads 14 are provided on the contact surfaces between the assembly wall plates 12 and the hinge wall plates 13 at both ends and the stoppers 16 at both ends of the U-shaped tank 11.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and the description of the invention.

Claims

1. Screw conveyer with foreign matter detects protection, its characterized in that, screw conveyer includes horizontal conveyer trough, auger delivery axle and driving motor, the auger delivery axle is horizontal wherein along the length direction of conveyer trough, and the both ends of auger delivery axle are connected with the wallboard at conveyer trough both ends through the bearing frame respectively, the conveyer trough is worn out to the one end of auger delivery axle to through coupling joint driving motor's output, there is speed sensor at the shaft coupling department of auger conveyer through the leg joint, speed sensor electric connection PLC controller, driving motor's power control end electric connection PLC controller.

2. The screw conveyor with foreign object detection protection as claimed in claim 1, wherein a sound and light alarm is electrically connected to the PLC controller of the screw conveyor.

3. The screw conveyor with foreign object detection protection according to claim 2, wherein the discharge opening of the conveying chute is opened at a bottom of an end away from the driving motor.

4. The screw conveyor with the foreign matter detection protection function according to claim 3, wherein the conveying trough comprises a U-shaped trough body and wall plates at two ends, vertical U-shaped baffles are arranged at two ends of the inner side of the trough body respectively, the wall plate, close to one end of the driving motor, of the conveying trough is an assembly wall plate, the assembly wall plate is connected to the outer side of the end baffle of the trough body through a fastening bolt, the wall plate, far away from one end of the driving motor, of the conveying trough is a hinged wall plate, and the hinged wall plate is hinged to the trough body through a pin shaft and located on the inner side of the end baffle.

5. The screw conveyor with the foreign matter detection protection function according to claim 4, wherein sealing rubber pads are respectively arranged on contact surfaces of the wall plates at the two ends and the baffle plates at the two ends of the groove body.