WO2020062063A1

WO2020062063A1 - Transport device and transport machine tool

Info

Publication number: WO2020062063A1
Application number: PCT/CN2018/108425
Authority: WO
Inventors: 谷小旭
Original assignee: 深圳配天智能技术研究院有限公司
Priority date: 2018-09-28
Filing date: 2018-09-28
Publication date: 2020-04-02
Also published as: CN111683884B; CN111683884A

Abstract

A transport device and a transport machine tool. The transport device (10) comprises: a rack (100); at least two rotating rollers (200) which are mounted on the rack (100) for transporting a workpiece; and a blocking device (220) which is mounted on the rack (100), and is retractably provided in a gap between adjacent rotating rollers (200). By providing a retractable blocking device (220) between adjacent rollers (200), the present invention can effectively and automatically block a workpiece to stop same, without frequently starting and stopping a motor, thereby prolonging the service life of the motor.

Description

Transmission device and transmission machine Ranch

【技术领域】[Technical Field]

The present application relates to the field of transmission technology, and in particular, to a transmission device and a transmission machine tool.

【背景技术】【Background technique】

In existing electronic product equipment and production lines, various workpieces and products need to be transmitted through a conveying mechanism.

Sometimes the workpiece needs to be repaired in the middle of the transfer, or the previous process is not completed, and the workpiece needs to wait. At this time, the workpiece needs to be temporarily stopped. If the workpiece is stopped by turning off the roller motor, the repair or waiting is over Turn on the motor and retransmit. Once the number of workpiece stops increases, the motor will start and stop frequently. Frequent start and stop of the motor will affect the life of the motor, and it may not stop immediately due to inertia.

【发明内容】 [Summary of the Invention]

The present application provides a transmission device and a transmission machine tool to solve the technical problem of how to effectively stop a workpiece in transmission without frequently starting and stopping the motor.

In order to solve the above technical problem, a technical solution adopted in the present application is to provide a transmission device, the transmission device includes: a frame; at least two rotating rollers installed on the frame for transferring workpieces; blocking The device is installed on the frame and is telescopically arranged in a gap between the adjacent rotating drums.

According to an embodiment of the present application, the transmission device further includes a sensing device and a driving device, the sensing device is disposed in a gap between two adjacent rotating drums, the driving device and the blocking device Connected, the sensor is signal-connected to the driving device for detecting the position of the workpiece, so that the driving device controls the blocking device to protrude from the plane of the rotating drum to block the workpiece.

According to an embodiment of the present application, the blocking device and the sensor are provided in a plurality of the gaps, and the blocking device or the driving device of the gap or the driving device or The sensor is connected to the sensor signal in the gap in the next stage.

According to an embodiment of the present application, the at least two rotating rollers include at least one driving roller and at least one driven roller.

According to an embodiment of the present application, the driving roller drives the driven roller to rotate through a conveyor belt, a chain, or a gear.

According to an embodiment of the present application, a V-ribbed pulley is provided on one side of the rotating drum for installing a plurality of the conveyor belts.

According to an embodiment of the present application, the conveyor belt is installed between the adjacent rotating drums.

According to an embodiment of the present application, the axial centers of the adjacent rotating drums are equal.

According to an embodiment of the present application, the active roller includes a motor, and the motor is configured to provide power to the active roller.

According to an embodiment of the present application, the rack includes an upper mounting frame, a middle mounting frame, and a lower mounting frame connected in sequence, and the upper mounting frame is used to install the rotating drum.

According to an embodiment of the present application, the upper mounting frame includes two fixing frames arranged in parallel, and the two fixing frames respectively fix two sides of the rotating drum.

According to an embodiment of the present application, a guide plate is provided on an inner side of the fixing frame, and the guide plate is located above the V-ribbed pulley.

According to an embodiment of the present application, the upper mounting frame further includes a protection cover, and the protection cover is disposed outside the fixing frame.

According to an embodiment of the present application, the transmission device further includes a connection component installed on a side of the rack, and is used for matching with other connection components of the rack for connection.

According to an embodiment of the present application, the connection assembly includes a butt plate and a connector, and the butt plate has a plurality of holes, and is matched and connected with the butt plate of another frame through the connector.

According to an embodiment of the present application, the fixing frame is provided with a row of mounting holes for detachably fixing the rotating drum.

According to an embodiment of the present application, a universal wheel is further disposed at the bottom of the frame.

According to an embodiment of the present application, the universal wheel is adjusted in height by a threaded fit to facilitate movement and fixing of the frame.

In order to solve the above technical problem, a technical solution adopted in the present application is: a transmission machine tool, the transmission machine tool includes at least two of the foregoing transmission devices.

The beneficial effect of the present application is that, unlike the case of the prior art, the transmission device and the transmission machine provided by the present application can effectively block the workpiece to stop it by setting a retractable blocking device between adjacent rollers , Without the need to start and stop the motor frequently, thereby extending the service life of the motor.

【附图说明】 [Brief Description of the Drawings]

In order to more clearly illustrate the technical solutions in the embodiments of the application, the drawings used in the description of the embodiments are briefly introduced below. Obviously, the drawings in the following description are just some embodiments of the application. Those of ordinary skill in the art can also obtain other drawings based on these drawings without paying creative labor, of which:

FIG. 1 is a schematic perspective structural diagram of a transmission device according to an embodiment of the present application; FIG.

FIG. 2 is a partial structural diagram of the upper mounting frame and the transmission roller in FIG. 1; FIG.

3 is a schematic structural view of another part of the upper mounting frame and the transmission roller in FIG. 1;

4 is a schematic diagram of another partial structure of the upper mounting bracket and the transmission roller in FIG. 1;

FIG. 5 is a perspective structural diagram of a transmission machine tool according to an embodiment of the present application.

【具体实施方式】【detailed description】

In the following, the technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall into the protection scope of the present application.

It should be noted that if there is a directional indication (such as up, down, left, right, front, back, etc.) in the embodiment of the present application, the directional indication is only used to explain in a specific posture (as shown in the drawings) (Shown) the relative positional relationship, movement, etc. of the various components, if the specific posture changes, the directional indicator will change accordingly.

In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on those that can be realized by a person of ordinary skill in the art. When the combination of technical solutions conflicts or cannot be achieved, it should be considered that such a combination of technical solutions does not exist. Is not within the scope of protection claimed in this application.

Referring to FIG. 1, this embodiment provides a transmission device 10. The transmission device 10 includes a frame 100, a rotating drum 200, and a blocking device 220.

As shown in FIG. 1, the rack 100 provided in this embodiment includes an upper mounting frame 110, a middle mounting frame 120, and a lower mounting frame 130 connected in this order. .

The rotating drum 200 is mounted on the frame 100, specifically on the upper mounting frame 110, for transferring workpieces. In a specific embodiment, the transfer device 10 includes at least two rotating drums 200.

As shown in FIG. 2 and FIG. 3, the transmission mechanism 10 further includes a blocking device 220, a driving device (not shown) disposed under the blocking device 220 and connected to the blocking device 220, and a sensor 230 connected to the driving device signal. The blocking device 220 and the sensor 230 are both disposed in a gap between two adjacent rotating drums 200. The blocking device 220 can be extended and contracted, and the sensor 230 is used to detect the position of the workpiece.

In specific operations, when multiple workpieces are being transferred, the sensor 230 can detect the current position of the workpiece and work by controlling the driving device connected to its signal, so that the driving device controls the blocking device 220 to extend out of the plane of the rotating drum 200 To block the workpiece.

In a specific embodiment, blocking devices 220 and sensors 230 are provided in a plurality of gaps of adjacent rotating drums 200, as shown in FIG. 2, where adjacent gaps may be provided, or every two gaps may be provided. It is provided, as shown in FIG. 3, or is provided in a plurality of gaps in other embodiments, and it is determined according to the specifications and dimensions of the workpiece. During operation, in the direction opposite to the working transmission direction, the blocking device 220 or sensor 230 in the upper clearance or the driving device is signal-connected to the next sensor 230, that is, the signal of the next adjacent sensor 230 connection.

In the above embodiment, the blocking device is provided in a plurality of gaps, and the adjacent workpieces can effectively maintain a safe distance to prevent collision.

In specific implementation, when the current driving device controls the blocking device 220 to block, the blocking device 220 or the sensor 230 or the driving device may further send a signal to the next-level sensor 230, so as to wake up the next next sensor 230 to Make it start to work, and can turn off the current sensor 230 to sleep.

Relative to the fact that multiple sensors 230 are always in the working state, the present application provides the ability to wake up the sensors 230 one by one, which can reduce the working time, thereby achieving the purpose of saving costs. And because the wake-ups are performed one by one, it is possible to maintain a safe distance between the workpieces without colliding with each other.

Wherein, the driving device may be an air cylinder or the like, and the blocking device 220 is moved up and down by the driving device's driving blocking device 220, so that the blocking device 220 can pass over the plane of the upper surface of the rotating drum 200 to achieve blocking of the workpiece.

Among them, five rotating drums 200 in the transmission device 10 provided in this embodiment may be used. In other embodiments, the number of the rotating drums 200 is not limited, and may be six, seven, and so on. The rotating drum 200 may be rotated along the axis. As a result, the workpiece placed on the rotating drum 200 is driven for conveyance. As shown in FIG. 2, the rotating drum 200 includes at least one driving drum 211 and at least one driven drum 212. In this embodiment, a combination of one driving drum 211 and four driven drums 212 is adopted, and four driven drums 212 are used. It is evenly distributed on both sides of the driving drum 211.

The driving drum 211 can be powered by a motor to drive the rotation of the driving drum 211. The motor provided in this embodiment may be a DC motor, which is built in the driving drum 211. The cable is led out through the central end of the driving drum 211 to achieve electrical connection. . In other embodiments, other types of motors (such as AC motors) or other driving devices can also be used, and the installation method is also not limited, such as external installation. The driving roller 211 can drive the driven roller 212 to rotate through a conveyor belt, a chain, or a gear.

As shown in FIG. 2 to FIG. 4, a conveyor belt is taken as an example here. A V-ribbed pulley 240 is provided on one side of the driving roller 211 and the driven roller 212, and between the V-ribbed pulley 240 of two adjacent rotating rollers 200. Both are equipped with a conveyor belt. Specifically, the driving roller 211 and the two adjacent driven rollers 212 are equipped with a conveyor belt to drive the two driven rollers 212 to rotate. At the same time, the driven roller 212 and the adjacent outermost roller A conveyor belt is installed between the driven rollers 212 to drive the outermost driven roller 212 to rotate. Thus, it is realized that one driven roller 211 drives four driven rollers 212 to realize rotation.

The axial distance between two adjacent rotating drums 200 is equal to facilitate the transport of the workpiece. In a specific embodiment, the axial distance is slightly greater than 3% -5% of the theoretical center distance of the conveyor belt. In this case, the conveyor belt is directly tensioned without the need for additional tensioning devices.

In other embodiments, a chain can also be used. A corresponding gear is provided on one side of the rotating drum 200 for installing the chain, or a plurality of gears that mesh with each other is directly provided to implement the driving roller 211 to drive the driven roller. 212 rotation.

As shown in FIG. 4, the upper mounting bracket 110 includes two fixing brackets 111 arranged in parallel, and a row of mounting holes is provided on the upper mounting bracket 110 for fixing both sides of the rotating drum 200. The rotating drum 200 can be fixed by using a fixing device such as a bolt. The fixing frame 111 can also be removed in the same manner.

What needs to be known is that the number of mounting holes can be more than the number of rotating drums 200. Through different installation settings, the size of the axial distance of adjacent rotating drums 200 can be controlled, which is beneficial to the transfer of workpieces of different sizes.

A guide plate 112 is also provided on the inner side of the fixing frame 111. The guide plate 112 is located directly above the V-ribbed pulley 240, and the cross section of the guide plate 112 can be gradually reduced from the outside to the inside, showing an inward direction. The oblique shape facilitates the introduction of the workpiece on the one hand, and prevents the workpiece from being caught on the V-ribbed pulley 240 on the other hand.

Further, a protective cover 113 is provided on the outside of the fixing frame 111 to prevent abrasion.

As shown in FIG. 1, a universal wheel 140 is further provided below the frame 100, specifically under the lower mounting frame 130. The universal wheel 140 can be adjusted in height by a threaded fit, such as a threaded bar structure, which is convenient. Movement and fixation of the frame 100.

The transmission device 10 may further include a connection assembly 300 that is installed on the side of the rack 100, preferably, it can be installed on two sides of the workpiece transmission path. The connection assembly 300 includes a butt rib 310 and a connection member (figure (Not shown), the docking rib 310 has a plurality of holes for placing connecting members. In this embodiment, four docking ribs 310 are installed on the four side corners of the middle mounting frame 120 to strengthen the overall structure.

Preferably, the number of the butt joint plates 310 may also be two opposite to the hypotenuse.

When splicing with other racks is required, the connection components are matched with the connection components of other racks for connection. Specifically, the corresponding positions of the butt joint plates are adopted, and the connector is used to pass through the two butt joint plates simultaneously. Holes, so as to achieve the fixation between the connecting components, and further the fixation between the racks.

The above embodiments only provide a rack structure. In other embodiments, the side section of the rack can also be in the shape of a ladder, and the transmission components are correspondingly arranged on it, which can not only realize the horizontal transmission of the workpiece but also the workpiece Transmission in the up and down direction.

As shown in FIG. 5, the present application further provides a transfer machine tool 1. The transfer machine tool 1 includes two transfer devices 10 described in any one of the above embodiments, and the two transfer devices 10 have completed the above-mentioned splicing steps.

In summary, the present application provides a transmission device and a transmission machine tool. By providing a connection component on the side of the frame, it can be easily combined with other same frames to form different types of transmission machine tools. The gap and other settings of the middle rotating drum can be adapted to the transfer of workpieces of different sizes, and the transfer device and the transfer machine provided in this application facilitate disassembly and assembly. At the same time, further by setting a blocking device between adjacent rollers, and by effectively cooperating with the driving device and the sensor, the workpiece can be automatically blocked effectively, and the workpiece can be effectively stopped without the need to frequently start and stop the motor, and One pair of sensors is turned on / off, on the one hand, automation is realized, on the one hand, costs are saved, and the service life of the transmission device is prolonged; on the other hand, it is possible to ensure a safe distance between adjacent workpieces, thereby preventing adjacent workpieces from being carried out. collision.

The above is only an implementation of this application, and does not therefore limit the patent scope of this application. Any equivalent structure or equivalent process transformation made by using the description and drawings of this application, or directly or indirectly used in other related technical fields, Both are included in the scope of patent protection of this application. Ranch

Claims

A transmission device, characterized in that the transmission device includes:

frame;

At least two rotating rollers, which are installed on the frame and used for transferring workpieces;

The blocking device is installed on the frame and is telescopically arranged in a gap between the adjacent rotating drums.
The transmission device according to claim 1, wherein the transmission device further comprises a sensing device and a driving device, the sensing device is disposed in a gap between two adjacent rotating drums, and the driving The device is connected to the blocking device, and the sensor is signal-connected to the driving device for detecting the position of the workpiece, so that the driving device controls the blocking device to protrude from the plane of the rotating drum, The workpiece is blocked.
The conveying device according to claim 2, wherein the blocking device and the sensor are provided in a plurality of the gaps, and in a direction opposite to the workpiece conveying direction, all of the gaps in the upper level are in the gaps. The blocking device or the driving device or the sensor is signal-connected to a sensor in the gap in the next stage.
The transmission device according to claim 1, wherein the at least two rotating rollers include at least one driving roller and at least one driven roller.
The transmission device according to claim 4, wherein the driven roller drives the driven roller to rotate through a conveyor belt, a chain, or a gear.
The transmission device according to claim 5, wherein a ribbed pulley is provided on one side of the rotating drum for mounting a plurality of the conveyor belts.
The conveying device according to claim 5, wherein the conveyor belt is installed between the adjacent rotating drums.
The transmission device according to claim 5, wherein the axial center distances of the adjacent rotary drums are equal.
The transmission device according to claim 4, wherein the active drum comprises a motor, and the motor is used to power the active drum.
The transmission device according to claim 1, wherein the frame comprises an upper mounting frame, a middle mounting frame, and a lower mounting frame connected in order, and the upper mounting frame is used to install the rotating drum.
The transmission device according to claim 10, wherein the upper mounting frame comprises two fixing frames arranged in parallel, and the two fixing frames respectively fix two sides of the rotating drum.
The transmission device according to claim 6 or 11, wherein a guide plate is provided on an inner side of the fixing frame, and the guide plate is located above the V-ribbed pulley.
The transmission device according to claim 10, wherein the upper mounting frame further comprises a protective cover, and the protective cover is disposed outside the fixing frame.
The transmission device according to claim 1, wherein the transmission device further comprises a connection component installed on a side of the rack for matching with other connection components of the rack for connection.
The transmission device according to claim 14, wherein the connection component comprises a butt-joint plate and a connector, and the butt-joint plate has a plurality of holes, and is matched and connected with a butt-joint plate of another frame through the connector.
The transmission device according to claim 11, wherein the fixing frame is provided with a row of mounting holes for detachably fixing the rotating drum.
The transmission device according to claim 1, wherein a bottom of the frame is further provided with a universal wheel.
The transmission device according to claim 17, wherein the universal wheel is adjusted in height by a threaded fit to facilitate movement and fixation of the frame.
A transfer machine, characterized in that the transfer machine includes at least two transfer devices according to any one of claims 1-18.