CN107472815B - A vacuum adsorption conveying device - Google Patents

Abstract

The invention discloses a vacuum adsorption conveying device which comprises a hollow base with an upward opening, a plurality of vacuum adsorption conveying units connected with the base in a sliding manner, an exhaust fan communicated with an inner cavity of the base and a driving motor, wherein the base is provided with a plurality of openings; each vacuum adsorption conveying unit comprises a shell, a driving roller, a driven roller and a conveying belt, wherein the top and the bottom of the shell are respectively provided with an opening; the conveying belt is provided with a plurality of through holes for communicating the inner cavity of the shell. The vacuum adsorption conveying device provided by the invention can meet the conveying requirements of workpieces with different sizes by adjusting the positions of the vacuum adsorption conveying units.

Description

A vacuum suction conveying device

technical field

The invention relates to the technical field of conveying equipment, in particular to a vacuum adsorption conveying device.

Background technique

The vacuum suction conveyor absorbs the workpiece on the conveyor belt through vacuum, and at the same time, the conveyor belt rotates to transport the workpiece to the next process. However, the workpieces to be conveyed are of different sizes. Therefore, in the prior art, only vacuum suction conveyors of different models and different conveyor belt widths can be designed to meet the conveyance of different workpieces. However, this leads to too many product models, and the main components of different types of vacuum adsorption conveyors are not interchangeable, which increases the production cost and management cost.

It can be seen that the prior art still needs to be improved and enhanced.

Contents of the invention

In view of the shortcomings of the above-mentioned prior art, the object of the present invention is to provide a vacuum adsorption conveying device, aiming at solving the technical problem in the prior art that the same vacuum adsorption conveyor cannot meet the conveyance of workpieces with different sizes.

In order to achieve the above object, the present invention has taken the following technical solutions:

A vacuum adsorption conveying device, comprising a base, an exhaust fan, a driving motor, and a plurality of vacuum adsorption conveying units slidably connected to the base; The driving roller and the driven roller at both ends of the top of the housing, and the conveyor belt wound on the driving roller and the driven roller; the conveyor belt is provided with a number of through holes for communicating with the inner cavity of the housing; the drive motor is used The driving rollers of each vacuum adsorption conveying unit are driven to rotate synchronously; the inlet end of the exhaust fan communicates with the inner cavity of each shell.

In the vacuum adsorption conveying device, a linear guide rail is respectively provided on both sides of the base, a supporting seat is respectively provided at both ends of the bottom of the housing, and a linear bearing is respectively provided on each supporting seat, and each linear bearing is connected to a corresponding The linear guide rails are slidably connected; a locking device is arranged on a supporting seat in each vacuum adsorption conveying unit.

In the vacuum adsorption conveying device, the base is hollow and has an opening facing upwards. The bottom of each shell is provided with an opening for communicating with the inner cavity of the base. The inner cavity of the base is connected to the inlet end of the exhaust fan. Two first adjusting rollers are arranged side by side at the bottom of the cavity, and one second adjusting roller is arranged above the two first adjusting rollers, and each adjusting roller is respectively hinged with the shell; in the projection on the horizontal plane, the length direction of each adjusting roller is respectively Parallel to the conveyor belt; a belt is provided on the top of the base, and the belt passes around each adjustment roller of each vacuum suction conveying unit, and the width of the belt is greater than the width of the opening at the top of the base.

In the vacuum adsorption conveying device, a viewing window is respectively opened at the positions corresponding to the three regulating rollers on both sides of each housing, and a cover plate is detachably provided at each viewing window.

In the vacuum adsorption conveying device, each driving roller is coaxially provided with an axial through hole; the driving motor is connected to a transmission shaft, and the transmission shaft passes through the axial through hole of each driving roller and is keyed. .

In the vacuum adsorption conveying device, a side plate is respectively provided at the two ends of the base, and a beam is connected to the top of the two side plates; Connect with drive shaft.

In the vacuum suction conveying device, the driven roller includes a mandrel detachably arranged on the housing, two bearings sleeved on the mandrel, and an interference fit with the outer rings of the two bearings. The cylinder body is provided with threads at both ends of the mandrel, and a horizontal opening is respectively provided at the two ends of the mandrel on the shell, and the two ends of the mandrel are respectively put into the corresponding horizontal openings and locked by nuts.

In the vacuum adsorption conveying device, each housing is provided with an adjusting seat corresponding to each mounting plate, and each adjusting seat is provided with a threaded hole horizontally, and an adjusting bolt is connected to the threaded hole of each adjusting seat , the ends of the adjusting bolts respectively abut against the ends of the mandrel.

In the vacuum adsorption conveying device, a partition is arranged in the middle of the base to divide the inner cavity of the base into two parts, and at least two vacuum adsorption conveying units are respectively arranged on both sides of the partition; There are two sets, and the inlet ends of each exhaust fan are respectively connected to the inner cavities of the base on both sides of the partition.

Beneficial effect:

The present invention provides a vacuum adsorption conveying device. Compared with the prior art, by setting a base and a plurality of vacuum adsorption conveying units slidably connected to the base and other components, each vacuum absorbing conveying unit can be moved to a suitable position during use. Therefore, it is suitable for the adsorption transportation of workpieces of different sizes, and the applicability of the vacuum adsorption transportation device is improved; in addition, since each vacuum adsorption transportation unit has the same structure, it is interchangeable, which reduces the production cost and facilitates later maintenance work.

Description of drawings

Fig. 1 is a perspective view of the vacuum adsorption conveying device provided by the present invention viewed from the feed side.

Fig. 2 is a perspective view of the vacuum adsorption conveying device provided by the present invention viewed from the discharge side.

Fig. 3 is a right side view of the vacuum suction conveying device provided by the present invention.

FIG. 4 is a partially enlarged view of the S1 area in FIG. 1 .

Fig. 5 is a sectional view of A-A in Fig. 3 .

FIG. 6 is a partially enlarged view of the area S2 in FIG. 5 .

Fig. 7 is a perspective view of the vacuum suction conveying unit viewed obliquely downward in the vacuum suction conveying device provided by the present invention.

Fig. 8 is an oblique perspective view of the vacuum adsorption conveying unit viewed obliquely upward in the vacuum adsorption conveying device provided by the present invention.

FIG. 9 is a partially enlarged view of the area S3 in FIG. 7 .

Detailed ways

The present invention provides a vacuum adsorption conveying device. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Please refer to FIG. 1 to FIG. 9 , the present invention provides a vacuum suction conveying device.

First, please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 7, the vacuum adsorption conveying device includes a base 301, an exhaust fan 302, a driving motor 20, and a plurality of vacuum adsorption conveying units 4 slidably connected to the base; Each of the vacuum adsorption conveying units includes a housing 41 with an opening on the top, a driving roller 42 and a driven roller 43 respectively hinged at both ends of the top of the housing, and a conveyor belt 44 wound around the driving roller and the driven roller. ; The conveyor belt is provided with several through holes for communicating with the inner cavity of the housing; the driving motor 20 is used to drive the driving rollers of each vacuum adsorption conveying unit to rotate synchronously; the inlet end of the exhaust fan 302 is connected to each housing lumen. In the accompanying drawings, only one row of through holes is schematically drawn on each conveyor belt. In fact, multiple rows of through holes can be provided, and each through hole is evenly distributed.

When working, the exhaust fan is used to vacuum the inner cavity of the base and the inner cavity of each vacuum adsorption conveying unit housing. Since the conveyor belt is provided with through holes, the workpiece will be adsorbed on the conveyor belt after contacting it. After the driving motor drives each driving roller to rotate, the workpiece is transported to the next process. Since each vacuum adsorption conveying unit is slidably connected to the base, the workpieces of different sizes can be conveyed by moving each vacuum adsorption unit to a suitable position, thereby improving the applicability of the vacuum adsorption conveying device. The unit structure is the same, so each component of each vacuum adsorption conveying unit is interchangeable, which reduces the manufacturing cost and facilitates subsequent maintenance work.

There are many ways to realize the slidable connection between each of the above-mentioned vacuum adsorption delivery units and the base. Here is a way to realize it, but it is not limited to this: a linear guide rail 309 is respectively arranged on both sides of the base (only 1 root), the two ends of the bottom of the housing are respectively provided with a support seat 45, and each support seat is respectively provided with a linear bearing 46, and each linear bearing is slidably connected with the corresponding linear guide rail; one of each vacuum adsorption conveying unit A locking device 48 is provided on the supporting seat. Through the cooperation of the linear guide rail and the linear bearing, it is convenient for the vacuum adsorption conveying unit to move along the linear guide rail; when it moves to a suitable position, the vacuum adsorption conveying unit can be locked on the base by the locking device to transport the workpiece stably.

Please refer to Figure 5, Figure 6 and Figure 8, further, the base is a hollow structure with the opening facing upwards, the bottom of each shell is provided with an opening for communicating with the inner cavity of the base, and the inner cavity of the base is connected to the inlet of the exhaust fan At the bottom of each housing cavity, two first adjusting rollers 471 are arranged side by side, and a second adjusting roller 472 is arranged above the two first adjusting rollers. Each adjusting roller is hinged with the housing respectively; in the projection on the horizontal plane The length direction of each adjustment roller is parallel to the conveyor belt respectively; a belt 32 is arranged on the top of the base, and the belt bypasses each adjustment roller of each vacuum adsorption conveying unit, the width of the belt is greater than the width of the opening at the top of the base, and the top of the base The opening in the base extends the entire length of the base (the opening in the top of the base is not shown). Fig. 6 schematically shows the way of belt winding, through this arrangement, no matter where each vacuum suction conveying unit moves on the base, the bottom opening of each vacuum suction conveying unit is always in communication with the inner cavity of the base. In addition, since the belt is tightened by the tensioning device and then clings to the upper part of the base during use, it plays a role of sealing the opening of the upper part of the base that does not correspond to the vacuum suction delivery unit. The present invention does not limit how the two ends of the belt are tensioned. Fig. 4 has shown a kind of simple and easy belt tensioning mode, and belt 32 two ends respectively protrude outside side plate and are fixed on a fixing block 321, and each fixing block is screwed with a bolt 322 at both ends respectively, and the end of bolt The upper part is against the corresponding side plate, and the tension of the belt can be realized by tightening the bolts.

Further, a viewing window is respectively opened at two sides of each housing corresponding to the three adjusting rollers, and a cover plate 411 is detachably provided at each viewing window. When winding the belt, the two cover plates can be opened first for easy operation; after the belt winding is completed, the cover plates can be closed. Preferably, each cover plate is transparent to facilitate subsequent observation of the tightness of the belt.

Further, each driving roller is coaxially provided with an axial through hole; the driving motor is connected with a transmission shaft 31, and the transmission shaft passes through the axial through hole of each driving roller and is connected with a key. In practical applications, in order to facilitate processing, a keyway can be provided on the side wall of the transmission shaft, which moves along the entire length of the transmission shaft, and a key is fixed on the inner wall of each driving roller, and the keyway on the transmission shaft is connected with each driving roller. The keys in the rollers are clearance fit, so as to ensure that each vacuum adsorption conveying unit can move linearly along the linear guide rail, and also ensure that the drive shaft can drive each driving roller to rotate synchronously.

Further, two ends of the base are respectively provided with a side plate 101, and a beam 102 is connected to the top of the two side plates; the driving motor is arranged at one end of the beam, and is connected to the drive shaft through a pulley connection. . Specifically, the main shaft sleeve of the driving motor is provided with a driving wheel (not shown in the figure), the driving wheel is connected with a driven wheel (not shown in the figure) through a synchronous belt, and the driven wheel is set on an output shaft 209, The output shaft is fixedly connected coaxially with the transmission shaft 31 . Through this setting, the whole device is made more stable, and at the same time, the setting of the driving motor is made more compact. Of course, when the footprint of the vacuum suction conveying device is not considered, a motor fixing seat (not shown in the figure) can also be provided at the end of the vacuum suction conveying device, and the drive motor is connected to the reducer (not shown in the figure) , the output shaft of the reducer is fixedly connected with the above-mentioned drive head coaxially. It can be observed from Fig. 1 and Fig. 2 that the bottom of each side plate is respectively connected with a mounting base 103, and each mounting base is provided with a connecting hole, which facilitates the installation and fixing of the vacuum suction conveying device through bolts.

Please refer to Figure 9, further, the driven roller includes a core 431 detachably arranged on the shell, two bearings sleeved on the core shaft (not shown in the figure), and the two bearings A cylindrical body 432 with an interference fit on the outer ring, threads are provided at both ends of the mandrel, and a horizontal opening is respectively provided at the two ends of the mandrel on the housing, and the two ends of the mandrel are respectively put into the corresponding horizontal openings center and lock with nuts. This setting makes the structure of the driven roller simple and easy to assemble and disassemble.

Further, each housing is provided with an adjusting seat 481 corresponding to each mounting plate, and each adjusting seat is provided with a threaded hole horizontally, and an adjusting bolt 482 is connected to the threaded hole of each adjusting seat, and each adjusting bolt The ends of the mandrel are respectively against the ends of the mandrel. The conveyor belt can be tensioned by tightening the adjusting bolt, and the adjustment is quick and convenient.

Please refer to Fig. 5 and Fig. 6, further, a partition 3011 is arranged in the middle of the base to divide the inner cavity of the base into two parts, and at least two vacuum adsorption conveying units are respectively arranged on both sides of the partition, as shown in the figure Six vacuum suction conveying units are schematically drawn, but not limited thereto; there are two exhaust fans 302 in total, and the inlet ends of each exhaust fan are respectively connected to the inner cavities of the base on both sides of the partition. Through this arrangement, the vacuum adsorption conveying device can be divided into two stations, and the two stations can work independently or combined together, thus further improving the applicability of the vacuum adsorbing conveying device.

It can be seen from Figure 3 and Figure 5 that the upper surface of the base is set as a slope, and the bottom of each shell is also set as a slope correspondingly. This setting is mainly to facilitate the installation of the exhaust fan more compactly, and the exhaust fan can be directly arranged on the base on the higher side without interfering with the movement of the individual vacuum suction conveying units. Of course, if the exhaust fan is not directly installed on the side of the base, the upper surface of the base can also be set as a plane, and correspondingly, the bottom ends of each housing are also set as a plane.

It can be understood that those skilled in the art can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention, and all these changes or replacements should belong to the protection scope of the appended claims of the present invention.

Claims (7)

1. A vacuum adsorption conveying device is characterized by comprising a base, an exhaust fan, a driving motor and a plurality of vacuum adsorption conveying units which are connected with the base in a sliding manner; each vacuum adsorption conveying unit comprises a shell with an opening at the top, a driving roller and a driven roller which are respectively hinged to two ends of the top of the shell, and a conveying belt wound on the driving roller and the driven roller; the conveying belt is provided with a plurality of through holes for communicating the inner cavity of the shell; the driving motor is used for driving the driving rollers of the vacuum adsorption conveying units to synchronously rotate; the inlet end of the exhaust fan is communicated with the inner cavity of each shell; two sides of the base are respectively provided with a linear guide rail, two ends of the bottom of the shell are respectively provided with a supporting seat, each supporting seat is respectively provided with a linear bearing, and each linear bearing is connected with the corresponding linear guide rail in a sliding way; one supporting seat in each vacuum adsorption conveying unit is provided with a locking device; the base is of a hollow structure with an upward opening, the bottom of each shell is provided with an opening for communicating with the inner cavity of the base, the inner cavity of the base is communicated with the inlet end of the exhaust fan, the bottom of the inner cavity of each shell is provided with two first adjusting rollers in parallel, a second adjusting roller is arranged above the two first adjusting rollers, and each adjusting roller is hinged with the shell; the length direction of each adjusting roller is parallel to the conveying belt in the projection on the horizontal plane; the top of the base is provided with a belt, the belt bypasses each adjusting roller of each vacuum adsorption conveying unit, and the width of the belt is larger than that of an opening at the top of the base.

2. The vacuum adsorption conveying device of claim 1, wherein a window is formed on each of two sides of each housing corresponding to the three regulating rollers, and a cover plate is detachably disposed at each window.

3. The vacuum suction conveying device according to claim 1, wherein each driving roller is coaxially provided with an axial through hole; the driving motor is connected with a transmission shaft, and the transmission shaft penetrates through the axial through holes of the driving rollers and is in key connection.

4. The vacuum adsorption conveying device according to claim 3, wherein two branch ends of the base are respectively provided with a side plate, and the top ends of the two side plates are connected with a cross beam; the driving motor is arranged at one end of the cross beam and is connected with the transmission shaft in a belt wheel connection mode.

5. The vacuum adsorption conveying device of claim 1, wherein the driven roller comprises a mandrel detachably disposed on the housing, two bearings sleeved on the mandrel, and a cylinder body in interference fit with outer rings of the two bearings, two ends of the mandrel are respectively provided with threads, two horizontal openings are respectively disposed on the housing at positions corresponding to two ends of the mandrel, and two ends of the mandrel are respectively placed into the corresponding horizontal openings and locked by nuts.

6. The vacuum suction conveying device according to claim 5, wherein each of the housings has an adjusting seat corresponding to each of the mounting plates, each of the adjusting seats has a threaded hole horizontally formed therein, and an adjusting bolt is connected to the threaded hole of each of the adjusting seats, and an end of each of the adjusting bolts abuts against an end of the mandrel.

7. The vacuum adsorption conveying device according to any one of claims 1 to 6, wherein a partition plate is arranged in the middle of the base to divide the inner cavity of the base into two parts, and at least two vacuum adsorption conveying units are respectively arranged on two sides of the partition plate; the exhaust fans are arranged in two, and the inlet ends of the exhaust fans are respectively communicated with the inner cavities of the bases on the two sides of the partition board.

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