阅读说明：本技术 一种光电传感器的全方位保护装置及方法 (Omnibearing protection device and method for photoelectric sensor ) 是由 刘登飞 罗仕雄 熊宇 蒲明硕 于 2020-12-03 设计创作，主要内容包括：本发明公开一种光电传感器的全方位保护装置,包括安装座,所述安装座上设置有轴体,所述轴体下端设置有升降机构,所述轴体外套设有套体,所述套体两侧各连接有横杆,两侧所述的横杆外端各设置有收纳箱体,所述收纳箱体上方设置有开口,其中一个收纳箱体内上下活动设置有发射头,另一个收纳箱体内上下活动设置有接收头,同时公开一种光电传感器的全方位保护方法,所述发射头对齐所述接收头位置设置,防止堆积灰尘或工作人员误碰导致传感器损坏,通过在发射头和接收头每次进行收起的过程中,清扫辊能对发射头和接收头表面的灰尘进行自动的清扫,保证发射头和接收头表面定期保养,能保证整个输送机构工作的稳定性。(The invention discloses an omnibearing protection device of a photoelectric sensor, which comprises a mounting seat, wherein a shaft body is arranged on the mounting seat, a lifting mechanism is arranged at the lower end of the shaft body, a sleeve body is sleeved outside the shaft body, two sides of the sleeve body are respectively connected with a cross rod, the outer ends of the cross rods at two sides are respectively provided with a containing box body, an opening is arranged above the containing box body, a transmitting head is movably arranged in one containing box body up and down, and a receiving head is movably arranged in the other containing box body up and down, and simultaneously, the omnibearing protection method of the photoelectric sensor is disclosed, the transmitting heads are arranged in a way of aligning with the receiving heads, so that the damage of the sensor caused by dust accumulation or the mistaken collision of workers is prevented, a cleaning roller can automatically clean the dust on the surfaces of the transmitting heads and the receiving heads in the process of each time of the collection, the working stability of the whole conveying mechanism can be ensured.)

1. The utility model provides a photoelectric sensor's all-round protection device, includes mount pad (1), its characterized in that: the cleaning device is characterized in that a shaft body (2) is arranged on the mounting seat (1), a lifting mechanism (3) is arranged at the lower end of the shaft body (2), a sleeve body (4) is sleeved outside the shaft body (2), both sides of the sleeve body (4) are respectively connected with a cross rod (5), the outer ends of the cross rods (5) at both sides are respectively provided with a containing box body (6), an opening (7) is arranged above the containing box bodies (6), a transmitting head (8) is movably arranged in one containing box body (6) from top to bottom, a receiving head (9) is movably arranged in the other containing box body (6) from top to bottom, the transmitting head (8) is arranged in alignment with the position of the receiving head (9), a connecting structure (10) is arranged between the transmitting head (8) and the receiving head (9) and the output end of the lifting mechanism (3), a rotating mechanism (11) is arranged on the inner wall of the, vertical driving racks (13) are arranged on the transmitting head (8) and the receiving head (9), a driven gear (14) is arranged at a rotating shaft of the rotating mechanism (11), the driven gear (14) is in meshing transmission with the driving rack (13) on the corresponding side, a movable baffle structure (15) capable of sealing the opening (7) is arranged on the cross rod (5), and driving strip-shaped grooves (16) are respectively arranged on the outer walls of the receiving head (9) and the transmitting head (8);

the driving strip-shaped groove (16) comprises an inclined strip-shaped groove (161) which is inclined from inside to outside and inwards, and the inner end of the inclined strip-shaped groove (161) is connected with a vertical strip-shaped groove (162);

the movable baffle structure (15) is provided with a driving shaft body (17), and the driving shaft body (17) is inserted into the driving strip-shaped groove (16);

a driving mechanism (18) which can enable the sleeve body (4) to rotate is arranged between the sleeve body (4) and the fixed part of the lifting mechanism (3).

2. The omni-directional protection device of a photoelectric sensor according to claim 1, wherein: the lifting mechanism (3) is a telescopic motor which is arranged downwards.

3. The omni-directional protection device of the photoelectric sensor according to claim 2, wherein: the connecting structure (10) comprises a push rod (101) arranged at the lower end of a receiving head (9) of the transmitting head (8), a through hole (102) used for enabling the push rod (101) to move up and down is formed in the lower surface of the containing box body (6), the push rod (101) movably penetrates through the through hole (102), and a connecting plate (103) is arranged between the push rod (101) and the output end of the telescopic motor (301).

4. The omni-directional protection device of a photoelectric sensor according to claim 1, wherein: the rotating mechanism (11) comprises a rotating shaft seat (111) arranged on the inner wall of the containing box body (6), and a rotating shaft body (112) is rotatably arranged on the rotating shaft seat (111).

5. The omni-directional protection device of the photoelectric sensor according to claim 4, wherein: the cleaning roller (12) comprises a brush fixing cylinder (121) which is sleeved on the circumferential outer wall of the rotating shaft body (112), and a brush body (122) is fully distributed on the outer wall of the brush fixing cylinder (121).

6. The omni-directional protection device of a photoelectric sensor according to claim 1, wherein: the movable baffle structure (15) comprises a baffle accommodating groove (151) formed in the surface of the opening (7), a baffle body (152) used for closing or opening the opening (7) is movably arranged in the baffle accommodating groove (151), and the baffle accommodating groove (151) is formed in the cross rod (5).

7. The omni-directional protection device of a photoelectric sensor according to claim 1, wherein: the width of the driving strip-shaped groove (16) is the same as the diameter and the length of the driving shaft body (17).

8. The omni-directional protection device of the photoelectric sensor according to claim 2, wherein: actuating mechanism (18) including setting up screw rod seat (181) at the cover body (4) lower surface, rotate on screw rod seat (181) and install the screw rod body (182), the circumference outer wall cover of flexible motor (301) fixed part is equipped with ring gear (183), the screw rod body (182) with ring gear (183) carry out threaded connection.

9. The omni-directional protection device of a photoelectric sensor according to claim 8, wherein: the shaft end of the screw rod body (182) is provided with a screw hole (100).

10. An omni-directional protection method for a photoelectric sensor, which is applied to the omni-directional protection device for a photoelectric sensor according to any one of claims 1 to 9, and which comprises:

the method comprises the following steps: the lifting mechanism (3) is controlled to descend, and the transmitting heads (8) and the receiving heads (9) on the two sides are driven to descend synchronously in the descending process;

step two: in the descending process of the transmitting head (8) and the receiving head (9), the driving rack (13) and the driven gear (14) are in meshing transmission, and the driven gear (14) is driven to rotate;

step three: driving the cleaning roller (12) to rotate according to the rotation process of the driven gear (14) in the step two, cleaning the cleaning roller (12) by closely adhering the transmitting head (8) or the receiving head (9) on the corresponding side, and cleaning dust;

step four: at transmission head (8) and receiving head (9) decline in-process, drive strip groove (16) and the cooperation of drive axis body (17) that corresponds one side, when drive strip groove (16) removed the stroke below, drive strip groove (16) cooperation drive axis body (17) will adjustable fender structure (15) are pulled out completely, closed opening (7), accomplish transmission head (8) or receiving head (9) all-round protection.

Technical Field

The present invention relates to a photoelectric sensor, and more particularly, to an omnidirectional protection apparatus and method for a photoelectric sensor.

Background

A photosensor is a device that converts an optical signal into an electrical signal. The working principle is based on the photoelectric effect. The photoelectric effect refers to the phenomenon that when light irradiates on some substances, electrons of the substances absorb the energy of photons, and the corresponding electric effect occurs.

Generally, the sensor is divided into an opposite-type photoelectric sensor, a reflection-type photoelectric sensor, a diffuse reflection photoelectric sensor and the like, when a conveying mechanism detects whether conveyed objects exist, the opposite-type photoelectric sensor is generally adopted for sensing, so that the subsequent conveyed objects can be placed into the sensor, two elements of the opposite-type photoelectric sensor are respectively arranged on two sides of the conveying mechanism, and the rays are very difficult to align, so that the mounting is difficult, the number of workers outside the conveying mechanism is large, the opposite-type photoelectric sensor is often damaged or changed in angle due to mistaken touch of the opposite-type photoelectric sensor, and the sensor cannot normally work.

Accordingly, further improvements are needed in the existing photoelectric sensors.

Summary of the invention

The invention aims to provide an all-round protection device for a photoelectric sensor, which can be quickly installed in an aligned mode, reduce damage to the sensor and regularly maintain the sensor to protect the sensor all round.

In order to achieve the purpose, the invention adopts the following scheme:

an omnibearing protection device of a photoelectric sensor comprises a mounting seat, wherein a shaft body is arranged on the mounting seat, a lifting mechanism is arranged at the lower end of the shaft body, a sleeve body is sleeved outside the shaft body, two sides of the sleeve body are respectively connected with a cross rod, the outer ends of the cross rods at two sides are respectively provided with a containing box body, an opening is arranged above the containing box body, a transmitting head is movably arranged in one containing box body up and down, a receiving head is movably arranged in the other containing box body up and down, the transmitting heads are aligned with the positions of the receiving heads, a connecting structure is arranged between the transmitting heads and the receiving heads as well as the output end of the lifting mechanism, the inner wall of the containing box body is provided with a rotating mechanism, the output end of the rotating mechanism is provided with a cleaning roller, vertical driving racks are arranged, the driven gear is in meshing transmission with the driving rack on the corresponding side, a movable baffle structure capable of closing the opening is arranged on the cross rod, and driving strip-shaped grooves are respectively formed in the outer walls of the receiving head and the transmitting head;

the driving strip-shaped groove comprises an inclined strip-shaped groove which is inclined from inside to outside and inwards, and the inner end of the inclined strip-shaped groove is connected with a vertical strip-shaped groove;

the movable baffle plate structure is provided with a driving shaft body, and the shaft body is inserted into the driving strip-shaped groove;

a driving mechanism which can enable the sleeve body to rotate is arranged between the sleeve body and the fixing part of the lifting mechanism.

Further, elevating system is flexible motor, flexible motor sets up down.

Furthermore, the connecting structure comprises a push rod arranged at the lower end of the receiving head of the transmitting head, a through hole for the push rod to move up and down is formed in the lower surface of the containing box body, the push rod is movably inserted into the through hole, and a connecting plate is arranged between the push rod and the output end of the telescopic motor.

Further, rotary mechanism is including setting up the pivot seat at the containing box inner wall, the last rotation of rotating shaft seat is installed and is rotated the axis body.

Further, the cleaning roller is sleeved with a brush fixing cylinder on the outer wall of the circumference of the rotating shaft body, and a brush body is fully distributed on the outer wall of the brush fixing cylinder.

Furthermore, the movable baffle structure comprises a baffle accommodating groove arranged on the surface of the opening, a baffle body used for closing or opening the opening is movably arranged in the baffle accommodating groove, and the baffle accommodating groove is arranged in the cross rod.

Further, the width of the driving strip-shaped groove is the same as the diameter length of the driving shaft body.

Further, actuating mechanism is including setting up the lead screw seat at set body lower surface, rotate on the lead screw seat and install the lead screw body, the circumference outer wall cover of flexible motor fixed part is equipped with ring gear, the lead screw body with ring gear carries out threaded connection.

Further, the shaft end of the screw rod body is provided with a screw hole.

Furthermore, a control module and a signal receiving module are arranged on the lower surface of one of the cross rods, the control module is in communication connection with the signal receiving module, and the control module is in communication connection with the lifting mechanism and the transmitting head.

The invention also aims to provide an omnibearing protection method of the photoelectric sensor, which can realize the cleaning of surface dust in the process of closed protection of the photoelectric sensor;

in order to achieve the purpose, the invention adopts the following scheme:

an omnibearing protection method for a photoelectric sensor comprises the following steps:

the method comprises the following steps: the lifting mechanism is controlled to descend, and the transmitting heads and the receiving heads on the two sides are driven to descend synchronously in the descending process;

step two: in the descending process of the transmitting head and the receiving head, the driving rack is in meshing transmission with the driven gear to drive the driven gear to rotate;

step three: driving the cleaning roller to rotate according to the rotation process of the driven gear in the step two, enabling the cleaning roller to be tightly attached to the emitting head or the receiving head on the corresponding side for cleaning, and cleaning dust;

step four: at the transmission head and the receipt head decline in-process, the cooperation of drive strip groove and the drive axis body that corresponds one side, when the drive strip groove removed the stroke below, drive strip groove cooperation drive axis body will the adjustable fender structure is pulled out completely, and closed opening accomplishes the all-round protection of transmission head or receipt head.

In summary, compared with the prior art, the invention has the beneficial effects that:

the invention solves the defects of the prior correlation photoelectric sensor in the process of detecting conveyed objects when applied to the conveying mechanism, can ensure that the transmitting head and the receiving head are always in an aligned state through the two cross rods, is more convenient to install, can automatically retract and form a closed space for protection when the conveying equipment stops running, prevents the sensor from being damaged due to dust accumulation or mistaken touch of workers, can automatically clean the dust on the surfaces of the transmitting head and the receiving head through the cleaning roller in the process of retracting the transmitting head and the receiving head each time, ensures the regular maintenance of the surfaces of the transmitting head and the receiving head, can ensure the working stability of the whole conveying mechanism, provides an all-round protection setting mode, and has simple structure and convenient use.

Drawings

FIG. 1 is one of the perspective views of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a schematic view of the present invention mounted to a conveyor;

FIG. 4 is a schematic view of the internal structure of the present invention;

FIG. 5 is a partial enlarged view of FIG. 4 at B;

FIG. 6 is an exploded view of the present invention;

FIG. 7 is a top view of the present invention;

FIG. 8 is a cross-sectional view taken along line A-A of FIG. 7;

FIG. 9 is a third perspective view of the present invention;

FIG. 10 is a front view of the internal structure of the present invention;

fig. 11 is a control schematic of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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. 1-11, the present invention provides an omnidirectional protection device for a photoelectric sensor, including a mounting base 1, wherein a shaft body 2 is disposed on the mounting base 1, a lifting mechanism 3 is disposed at the lower end of the shaft body 2, a sleeve body 4 is sleeved outside the shaft body 2, two sides of the sleeve body 4 are respectively connected with a cross bar 5, outer ends of the cross bars 5 at two sides are respectively provided with a receiving box body 6, an opening 7 is disposed above the receiving box body 6, one of the receiving box bodies 6 is provided with a transmitting head 8 movably up and down, the other receiving box body 6 is provided with a receiving head 9 movably up and down, the transmitting head 8 is disposed in alignment with the receiving head 9, a connecting structure 10 is disposed between the transmitting head 8 and the receiving head 9 and an output end of the lifting mechanism 3, a rotating mechanism 11 is disposed on an inner wall of the receiving box body 6, the transmitting head 8 and the receiving head 9 are provided with vertical driving racks 13, a rotating shaft of the rotating mechanism 11 is provided with a driven gear 14, the driven gear 14 is in meshing transmission with the driving racks 13 on the corresponding side, the cross rod 5 is provided with a movable baffle structure 15 capable of sealing the opening 7, and the outer walls of the receiving head 9 and the transmitting head 8 are respectively provided with a driving strip-shaped groove 16;

the driving strip-shaped groove 16 comprises an inclined strip-shaped groove 161 which is inclined from inside to outside and inwards, and the inner end of the inclined strip-shaped groove 161 is connected with a vertical strip-shaped groove 162;

the movable baffle plate structure 15 is provided with a driving shaft body 17, and the driving shaft body 17 is inserted into the driving strip-shaped groove 16;

a driving mechanism 18 which can enable the sleeve body 4 to rotate is arranged between the sleeve body 4 and a fixed part of the lifting mechanism 3;

the working principle of the structure is as follows:

preorder installation: install mount pad 1 in external conveying mechanism bottom, the containing box 6 of both sides sets up respectively in one side that conveying mechanism corresponds, according to the demand of detecting angle and distance, adjusts actuating mechanism 18, and horizontal pole 5 rotates around the fixed axis body 2 that sets up, and the detection range changes, makes the line between two containing box 6 and the contained angle between the conveying mechanism change to the adaptation detects the demand.

An omnibearing protection method for a photoelectric sensor comprises the following steps:

the method comprises the following steps: the lifting mechanism 3 is controlled to descend, and the transmitting heads 8 and the receiving heads 9 on the two sides are driven to descend synchronously in the descending process;

step two: in the descending process of the transmitting head 8 and the receiving head 9, the driving rack 13 is in meshed transmission with the driven gear 14, and the driven gear 14 is driven to rotate;

step three: driving the cleaning roller 12 to rotate according to the rotation process of the driven gear 14 in the step two, enabling the cleaning roller 12 to be tightly attached to the emitting head 8 or the receiving head 9 on the corresponding side for cleaning, and cleaning dust;

step four: at the decline in-process of emission head 8 and receiving head 9, drive strip groove 16 and the cooperation of the drive axis body 17 that corresponds one side, when drive strip groove 16 removed the stroke when the below, drive strip groove 16 cooperation drive axis body 17 will the adjustable fender structure 15 is pulled out completely, and closed opening 7 accomplishes emission head 8 or receiving head 9 all-round protection.

The principle of containing and cleaning dust of the transmitting head 8 and the receiving head 9 is as follows:

when conveying mechanism stop work, control elevating system 3 and descend, the decline in-process drives the transmission head 8 and the receiving head 9 of both sides through connection structure 10 and descends simultaneously, make transmission head 8 and receiving head 9 descend to in the containing box 6, at this moment, drive rack 13 descends in step, it is rotatory to drive driven gear 14 in the decline in-process, rotatory driven gear 14 drives inside cleaning roller 12 rotatory, cleaning roller 12 contacts transmission head 8 or receiving head 9 surface and cleans the dust on transmission head 8 or receiving head 9 surface, in transmission head 8 and receiving head 9 decline in-process, drive bar groove 16 with drive shaft body 17 cooperation, drive shaft body 17 moves under the drive of drive bar groove 16, make the adjustable fender structure 15 stretch out, closed opening 7 plays the purpose of protection transmission head 8 or receiving head 9.

The lifting mechanism 3 is a telescopic motor which is arranged downwards, and the arrangement mode of the lifting mechanism is provided.

The connecting structure 10 comprises a push rod 101 arranged at the lower end of a receiving head 9 of the transmitting head 8, a through hole 102 for the push rod 101 to move up and down is arranged on the lower surface of the containing box body 6, the push rod 101 is movably inserted into the through hole 102, and a connecting plate 103 is arranged between the push rod 101 and the output end of the telescopic motor 301 to ensure that the connecting structure moves synchronously with the transmitting head 8 or the receiving head 9.

The rotating mechanism 11 of the present invention comprises a rotating shaft seat 111 disposed on the inner wall of the storage box 6, and a rotating shaft body 112 is rotatably mounted on the rotating shaft seat 111.

The cleaning roller 12 of the present invention comprises a brush fixing cylinder 121 sleeved on the circumferential outer wall of the rotating shaft body 112, wherein the outer wall of the brush fixing cylinder 121 is fully provided with a brush body 122, and the brush body 122 is provided with soft bristles.

The movable baffle structure 15 of the invention comprises a baffle receiving groove 151 arranged on the surface of the opening 7, a baffle body 152 used for closing or opening the opening 7 is movably arranged in the baffle receiving groove 151, and the baffle receiving groove 151 is arranged in the cross rod 5.

The width of the driving strip-shaped groove 16 is the same as the diameter and the length of the driving shaft body 17.

The driving mechanism 18 comprises a screw rod seat 181 arranged on the lower surface of a sleeve body 4, a screw rod body 182 is rotatably arranged on the screw rod seat 181, a ring gear 183 is sleeved on the outer wall of the circumference of a fixing part of the telescopic motor 301, the screw rod body 182 is in threaded connection with the ring gear 183, and a structure for adjusting the angle between a connecting line of a transmitting head 8 and a receiving head 9 and a conveying mechanism is provided.

The screw hole 100 is arranged at the shaft end of the screw rod body 182.

According to the invention, the lower surface of one cross rod 5 is provided with a control module 200 and a signal receiving module 300, the control module 200 is in communication connection with the signal receiving module 300, and the control module 200 is in communication connection with the lifting mechanism 3 and the transmitting head 8; when the sensor receives the stop working state of the conveying mechanism, the sensor sends a command to the signal receiving module 300, the signal receiving module 300 transmits the signal to the control module 200, and the control module 200 sends a command to control the lifting mechanism 3 to descend and the transmitting head 8 to be closed;

according to the above structure, the control principle method is as follows:

the method comprises the following steps: a signal sensing device is arranged on the conveying mechanism provided with the photoelectric sensor and used for receiving the start or stop of the conveying mechanism;

step two: the signal induction device is in communication connection with a signal sending module, and the signal sending module is used for sending out a signal detected by the signal induction device;

step three: the cross bar 5 is provided with a signal receiving module 300 for receiving a signal sent by the signal sending module;

step four: the cross bar 5 is provided with a control module 200, the control module 200 is an editable controller, the control module 200 is in communication connection with the signal receiving module 300, judges the information of the signal receiving module 300 and sends a command;

step five: the control module 200 is in communication connection with the lifting mechanism 3 and the emitter 8, and controls the working states of the lifting mechanism 3 and the emitter 8 according to the command in the fourth step.

While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.