CN103144941A - Detection mechanism for controlling operation of rollgang - Google Patents

Abstract

The invention discloses a detection mechanism for controlling operation of rollgangs. The detection mechanism structurally comprises racks and rollgangs, wherein a detection roll and an approach switch are arranged at one end of each rollgang; the detection rolls are higher than conveying rolls and parallel to the conveying rolls; the two ends of the detection rolls are articulated with the racks; return springs are connected among the detection rolls and the racks; the approach switches are arranged on the racks capable of perceiving rotation of the detection rolls and transmitting perception signals to a control system when the detection rolls rotate; and when a component moves and collides the detection rolls to rotate, the approach switches send signals to allow the control system to control a drive mechanism to drive the conveying rolls to rotate/stop synchronously. The detection mechanism has the benefits that the control system controls a bearing rollgang motor to operate and an idle rollgang motor to stop operating so as to save energy sources; the detection rolls and the approach switches are arranged at inlets or outlets of the rollgangs, so that conveying movement connection between the two adjacent rollgangs is facilitated, information can be transmitted to the control system timely, and the component can be conveyed to a designated position.

Description

A detection mechanism for controlling the operation of conveying roller table

technical field

The invention relates to a detection mechanism for controlling the operation of a conveying roller table that needs to convey components.

Background technique

In automated production plants, parts are usually transported on conveyor rollers. The structure of the conveying roller table includes: a frame and a plurality of conveying rollers; the plurality of conveying rollers are arranged at intervals, and the two ends of each conveying roller are hingedly supported on the frame through a bearing seat, and one end of the conveying roller is passed through a sprocket The chains are connected to each other and driven by a motor, and multiple conveying rollers rotate synchronously; the parts required to be conveyed are conveyed by friction with the rotating conveying rollers. Some processes require longer conveying rollers. For the convenience of manufacturing, long conveying rollers are usually composed of multiple sets of conveying rollers. Each set of conveying rollers is equipped with only one motor as power to drive multiple conveying rollers to rotate synchronously. .

The long conveying roller table formed by splicing in the above-mentioned prior art has the following defects: in the prior art, when conveying parts are needed, each motor on multiple sets of conveying roller table is usually turned on, that is, if the long conveying roller table needs ten sets of conveying roller table , then start ten motors at the same time to drive ten groups of conveying rollers to run. When the parts to be conveyed are placed on the first group of conveying rollers, the motors of the last group of conveying rollers that are far away will not be able to convey parts without idling. waste phenomenon.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies of the above-mentioned technologies, and provide a method of accurately determining the position of the conveyed parts, thereby starting the motor on the group of conveying rollers, reducing energy consumption, saving energy and electricity, and controlling the operation of the conveying rollers. testing agency.

The technical scheme that solves the above-mentioned technical problem is:

A detection mechanism for controlling the operation of a conveyor roller table, the detection mechanism includes: a frame and a conveyor roller table supported by the frame, a detection roller and a proximity switch are arranged between two adjacent conveyor rollers at one end of the conveyor roller table The detection roller is higher than the delivery roller; the detection roller is parallel to the delivery roller and its two ends are respectively hinged on the frame, and the return spring is connected between the detection roller and the frame; the proximity switch is arranged to sense when the detection roller rotates to and can transmit the sensing signal to the frame of the control system; when the conveyed part moves the bump detection roller and makes it rotate, the proximity switch sends a signal to make the control system control the driving mechanism of the conveying roller table to drive multiple conveying rollers. Rollers rotate/stop synchronously.

A detection mechanism for controlling the operation of a conveyor roller table, the detection mechanism includes: a frame and a conveyor roller table supported by the frame, a detection roller and a proximity switch are arranged between two adjacent conveyor rollers at one end of the conveyor roller table The detection roller is higher than the delivery roller; the detection roller is parallel to the delivery roller and its two ends are respectively hinged on the frame, and the detection roller is equipped with a counterweight roller to reset it; It senses and transmits the sensing signal to the frame of the control system; when the conveyed part moves the bump detection roller and makes it rotate, the proximity switch sends a signal to make the control system control the driving mechanism of the conveying roller table to drive multiple Conveyor rollers rotate/stop synchronously.

The beneficial effects of the present invention are: the present invention overcomes the defects of the prior art. The present invention is suitable for long-distance conveying rollers, and divides the long-distance conveying rollers into multiple conveying sections, each of which is driven by a separate motor. The sprocket chain transmission mechanism drives the conveying roller table to work, the control system controls the motor of the section carrying the transport parts to work, and the motor of the no-load section stops working to save energy. The detection roller and the proximity switch of the present invention are arranged at the entrance or exit of the conveying roller table, which facilitates the connection of the conveying actions of two adjacent conveying roller stages, and transmits the information to the control system in time to drive the conveying roller conveying parts. Rotate to deliver the parts to the designated position.

Description of drawings

Fig. 1 is the front view of the present invention, shows that detection roller and proximity switch are arranged at the outlet end of first group of conveying roller table 3a and the outlet end of second group of conveying roller table 3b;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is a cross-sectional view of A-A in Fig. 1, showing a schematic structural diagram of a detection roller and a return spring;

Fig. 4 is B-B sectional view among Fig. 3;

Fig. 5 is a schematic diagram of the working state of the detection roller in Fig. 4;

Fig. 6 is a cross-sectional view of A-A in Fig. 1, showing a schematic structural view of a detection roller and a counterweight roller;

Fig. 7 is a sectional view of C-C in Fig. 6 .

"Description of Serial Numbers in the Attached Drawings"

1a: the first group of motors; 1b: the second group of motors; 2a: the first group of frames; 2b: the second group of frames; 3: conveyor rollers; 3a: the first group of conveyor rollers; 3b: the second group of conveyors Roller table; 4: detection roller; 5: proximity switch; 6: chain; 7: bearing seat; 8: double sprocket; 9: counterweight roller; 10: detection roller drive arm; 10a: protruding shaft; 11a: Return spring seat; 11b: return spring; 12: drive sprocket; 13: drive chain; 20: components.

Detailed ways

Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figure 1 and Figure 2, the present invention provides a detection mechanism for controlling the operation of the conveying roller table. The detection mechanism includes: a frame and a conveying roller table supported by the frame, two A detection roller 4 and a proximity switch 5 are arranged between the two conveying rollers 3; the detection roller 4 is higher than the conveying roller 3; The return spring 11b is connected between the frames; the proximity switch 5 is arranged on the frame that can sense and transmit the sensing signal to the control system when the detection roller 4 rotates; And when it is rotated, the proximity switch 5 sends a signal to make the control system control the driving mechanism of the conveying roller table to drive a plurality of conveying rollers 3 to rotate/stop synchronously.

As shown in Figure 3 and Figure 4, the two ends of the detection roller 4 are respectively hinged on the frame through the detection roller transmission arm 10, and its structure includes: the two ends of the detection roller 4 are respectively hinged at one end of the detection roller transmission arm 10, and the detection roller The other end of the drive arm 10 is connected to one end of the return spring 11b, and the other end of the return spring 11b is connected to the return spring seat 11a, and the return spring seat 11a is fixed on the frame; On the bearing seat 7.

As shown in Figure 1 and Figure 2, the present invention provides a detection mechanism for controlling the operation of the conveying roller table. The detection mechanism includes: a frame and a conveying roller table supported by the frame, two A detection roller 4 and a proximity switch 5 are arranged between the two conveying rollers 3; the detecting roller 4 is higher than the conveying roller 3; The counterweight roller 9 that makes it reset; the proximity switch 5 is arranged on the frame that can sense when the detection roller 4 rotates and can transmit the sensing signal to the control system; when the transported component 20 moves against the detection roller 4 and when it is rotated, the proximity switch 5 sends a signal to make the control system control the driving mechanism of the conveying roller table to drive a plurality of conveying rollers 3 to rotate/stop synchronously.

As shown in Fig. 6 and Fig. 7, the two ends of the detection roller 4 are respectively hinged on the frame through the detection roller transmission arm 10, and its structure includes: the two ends of the detection roller 4 are respectively hinged at one end of the detection roller transmission arm 10, and the Both ends of the counterweight roller 9 are respectively hinged on the other end of the detection roller transmission arm 10; the protruding shafts 10a provided outside the detection roller transmission arm 10 are respectively hinged on the bearing seat 7 of the frame.

The detection roller 4 and the switching switch 5 are arranged between two adjacent conveying rollers 3 at the entrance or exit of the conveying roller table.

The above-mentioned driving mechanism for driving a plurality of conveying rollers 3 to rotate synchronously includes a motor and a sprocket chain transmission mechanism connected with the motor, and the sprocket chain transmission mechanism includes: a plurality of conveying rollers 3 hinged on the frame. One end of the roller 3 is fixed with a two-link sprocket 8 and a chain 6 connecting two adjacent two-link sprockets on both sides; One of the sprockets 8 at one end of a conveying roller 3 is driven to rotate to realize synchronous rotation of a plurality of conveying rollers 3 .

The present invention is suitable for the long-distance conveying roller table, and divides the long-distance conveying roller table into multiple conveying sections, and each section is driven by a separate motor to drive the sprocket chain transmission mechanism on the section to drive the operation of the conveying roller table, so that the load The motor and sprocket chain transmission mechanism of the 20th section of the transport part work; the motor and the sprocket chain transmission mechanism of the no-load section are stopped to save energy. In order to connect the conveying actions of two adjacent sections of the conveying roller table, the detection roller 4 and the connecting switch 5 are arranged at the inlet end or the outlet end of the conveying roller table.

More specifically, the first set of frames 2a supports the first set of conveying rollers 3a; the second set of frames 2b supports the second set of conveying rollers 3b. The first group of frames 2a is equipped with a first group of motors 1a, and the first group of motors 1a drives the sprocket chain transmission mechanism installed on the first group of frames 2a. The second group of frames 2b is equipped with a second group of motors 1b, and the second group of motors 1b drives the sprocket chain transmission mechanism installed on the second group of frames 2b.

As shown in Figure 1, the present invention arranges the detection roller 4 and the proximity switch 5 at the entrance end of the second group of conveying rollers 3b. The signal makes the control system control the second group of motors 1b to drive the sprocket chain transmission mechanism to rotate, and the multiple conveying rollers 3 in the second group of conveying rollers 3b rotate synchronously to convey the components 20 .

In the present invention, the detection roller 4 and the proximity switch 5 are arranged at the exit end of the first group of conveying rollers 3a. When the conveyed part 20 moves to bump the detection roller 4 and makes it rotate, the proximity switch 5 sends a signal to make the control system control The first group of motors 1a of the first group of conveying rollers 3a stopped rotating. The group conveying roller table 3a stops working.

The working process of the present invention is described below:

When the component 20 is placed on the first group of conveying rollers 3a, the first group of motors 1a starts to run to drive the component 20 forward. The support shaft rotates as the center. At this time, the proximity switch 5 fixed on the first group of frames 2a receives a signal and transmits the signal to the control system to control the first group of motors 1a to stop rotating; 20 has straddled on the detection roller 4 of the second group of conveying roller table 3b inlet end, and this detection roller 4 rotates under the pressure effect of part 20, and the proximity switch 5 that is fixed on the second group of frame 2b receives signal this moment, and Transmit this signal to the control system, control the second group of motors 1b to start rotating, and drive the component 20 to move forward; when the component 20 leaves the detection roller 4, the detection roller 4 returns to the initial state under the action of the return spring/counterweight roller position, awaiting the next part shipment.

Claims (6)

1. A detection mechanism for controlling the operation of the conveying roller table, said detection mechanism comprising: a frame and a conveying roller table supported by the frame, characterized in that two adjacent conveying rollers (3) at one end of the conveying roller table A detection roller (4) and a proximity switch (5) are arranged between them; the detection roller (4) is higher than the conveying roller (3); the detection roller (4) is parallel to the conveying roller (3) and its two ends are respectively hinged on the machine On the frame, the return spring (11b) is connected between the detection roller (4) and the frame; the proximity switch (5) is set at a position that can sense when the detection roller (4) rotates and can transmit the sensing signal to the control system on the rack; when the conveyed part (20) moves the impact detection roller (4) and makes it rotate, the proximity switch (5) sends a signal to make the control system control the driving mechanism of the conveying roller table to drive multiple conveying rollers ( 3) Rotate/stop synchronously. 2. A detection mechanism for controlling the operation of the conveying roller table according to claim 1, characterized in that, the two ends of the detection roller (4) are respectively hinged on the frame through the detection roller transmission arm (10), which The structure includes: the two ends of the detection roller (4) are respectively hinged on one end of the detection roller transmission arm (10), the other end of the detection roller transmission arm (10) is connected to one end of the return spring (11b), and the other end of the return spring (11b) is connected to the return spring seat (11a), the return spring seat (11a) is fixed on the frame; the protruding shafts (10a) provided outside the detection roller drive arm (10) are respectively hinged on the bearing seats (7) of the frame. 3. A detection mechanism for controlling the operation of the conveying roller table, the detection mechanism comprising: a frame and a conveying roller table supported by the frame, characterized in that two adjacent conveying rollers (3) at one end of the conveying roller table A detection roller (4) and a proximity switch (5) are arranged between them; the detection roller (4) is higher than the conveying roller (3); the detection roller (4) is parallel to the conveying roller (3) and its two ends are respectively hinged on the machine On the frame, the detection roller (4) is equipped with a counterweight roller (9) to reset it; the proximity switch (5) is set so that it can sense when the detection roller (4) rotates and can transmit the sensing signal to the control system on the rack; when the conveyed part (20) moves the impact detection roller (4) and makes it rotate, the proximity switch (5) sends a signal to make the control system control the driving mechanism of the conveying roller table to drive multiple conveying rollers (3) Rotate/stop synchronously. 4. A detection mechanism for controlling the operation of the conveying roller table according to claim 3, characterized in that, the two ends of the detection roller (4) are respectively hinged on the frame through the detection roller transmission arm (10), which The structure includes: the two ends of the detection roller (4) are respectively hinged on one end of the detection roller transmission arm (10), and the two ends of the counterweight roller (9) are respectively hinged on the other end of the detection roller transmission arm (10); the detection roller transmission arm ( 10) The protruding shafts (10a) provided on the outside are respectively hinged on the bearing seats (7) of the frame. 5. A detection mechanism for controlling the operation of the conveying roller table according to claim 1 or 3, characterized in that the detection roller (4) and the proximity switch (5) are arranged at the entrance or exit of the conveying roller table Between two conveyor rollers (3) adjacent to each other. 6. A detection mechanism for controlling the operation of the conveying roller table according to claim 1 or 3, characterized in that the driving mechanism for driving multiple conveying rollers (3) to rotate synchronously includes a motor and a sprocket chain connected to the motor The transmission mechanism, the sprocket chain transmission mechanism includes: a plurality of conveying rollers (3) hinged on the frame, and one end of each conveying roller (3) is fixed with a double sprocket (8) and connected to the two The chain (6) of two adjacent sprockets on the side; the output shaft of the motor is connected to the driving sprocket (12), and the driving sprocket (12) drives one end of a conveying roller (3) through the driving chain (13) One of the two sprocket wheels (8) rotates to realize the synchronous rotation of a plurality of conveying rollers (3).

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