CN210312540U

CN210312540U - Single-layer bidirectional conveying mechanism

Info

Publication number: CN210312540U
Application number: CN201921187818.3U
Authority: CN
Inventors: 唐顺; 林禅煜; 杨振国; 周峰; 李艳红
Original assignee: Foshan Polytechnic
Current assignee: Foshan Polytechnic
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-14
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a two-way transport mechanism of individual layer, include: the device comprises a rack, a lifting mechanism and a lifting mechanism, wherein the rack is provided with a conveying mechanism, and the conveying mechanism is provided with a conveying platform; the tray releasing mechanism comprises a first lifting device and two tray supporting devices, the conveying platform is arranged above the first lifting device, and the tray supporting devices are used for supporting trays which are not released; the tray stacking mechanism comprises a second lifting device and four one-way supporting clamping seats, the one-way supporting clamping seats pass from bottom to top in one way, and the one-way supporting clamping seats are used for supporting the placed trays; the rack is sequentially provided with the tray throwing mechanism and the tray stacking mechanism from back to front. After the work piece on the tray is taken away by whole, conveying platform drives empty tray and resets backward, and after empty tray reachd the assigned position, second elevating gear jack-up conveying platform, empty tray were supported by the one-way support cassette, makes the utility model discloses can carry out automatic recovery and stack to empty tray.

Description

Single-layer bidirectional conveying mechanism

Technical Field

The utility model relates to an automation line field, in particular to two-way transport mechanism of individual layer.

Background

In the existing partial automatic production line, in order to avoid collision between trays containing workpieces, the trays need to be put on the automatic production line in batches, and after the workpieces on the trays are all taken away, the trays need to be recovered manually.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a two-way transport mechanism of individual layer, this transport mechanism can carry out the automation to empty tray and retrieve.

The utility model provides a solution of its technical problem is:

a single-deck bi-directional transport mechanism comprising:

the conveying device comprises a rack, wherein conveying mechanisms capable of carrying back and forth are mounted on the left side and the right side of the rack, a conveying platform is arranged on the two conveying mechanisms together, and the conveying platform is driven by the conveying mechanisms to move back and forth;

the tray releasing mechanism comprises a first lifting device and two tray supporting devices, the two tray supporting devices are respectively arranged on the left side and the right side of the rack, the first lifting device is arranged on the rack and positioned between the two tray supporting devices, the conveying platform is arranged above the first lifting device, and the tray supporting devices are used for supporting trays which are not released;

the tray stacking mechanism comprises a second lifting device and at least two one-way supporting clamping seats, at least one-way supporting clamping seat is arranged on each of the left side and the right side of the rack, the second lifting device is arranged on the rack and is positioned between all the one-way supporting clamping seats, the one-way supporting clamping seats pass from bottom to top in a one-way mode, and the one-way supporting clamping seats are used for supporting a dropped tray;

the rack is sequentially provided with the tray throwing mechanism and the tray stacking mechanism from back to front.

Further, the single-layer bidirectional conveying mechanism further comprises a plurality of trays, two clearance grooves are formed in the lower bottom surfaces of the trays, and positioning grooves are formed in the right side surfaces of the trays.

In addition, the upper surface of each tray all is equipped with a plurality of cushion.

In addition, the tray supporting device comprises a telescopic cylinder, the tail end of a piston rod of the telescopic cylinder is connected with a bracket, and a moving path of the bracket is intersected with the clearance groove.

In addition, a positioning block matched with the positioning groove is arranged on the rack.

Furthermore, a third lifting device and a third front-back limit switch are installed on the front portion of the rack, the third lifting device is located in front of the tray stacking mechanism, the third lifting device is located between the two conveying mechanisms, and the third front-back limit switch is located on a moving path of the conveying platform.

In addition, a baffle is arranged in the middle of the rack and is positioned between the tray stacking mechanism and the third lifting device.

Furthermore, the one-way supporting clamping seat comprises a supporting block and a fixed seat with a clamping groove, the supporting block comprises an upper part and a lower part, the upper part is obliquely arranged on the lower part, the upper part protrudes out of the clamping groove, and the lower part is hinged in the clamping groove.

In addition, the one-way support clamping seat further comprises a compression spring, and the compression spring is connected between the upper portion and the clamping groove.

Further, the tray releasing mechanism further comprises a first upper limit switch, a first lower limit switch, a first front limit switch and a first rear limit switch, the first upper limit switch and the first lower limit switch are positioned on the moving path of the first lifting device, and the first front limit switch and the first rear limit switch are positioned on the moving path of the conveying platform; the tray stacking mechanism further comprises a second front limit switch and a second rear limit switch, and the second front limit switch and the second rear limit switch are located on the moving path of the conveying platform.

The utility model has the advantages that: when the workpieces on the tray are completely taken away, the conveying platform drives the empty tray to reset backwards, and when the empty tray reaches a designated position, the second lifting device jacks up the conveying platform, and the empty tray is supported by the one-way supporting clamping seat, so that the utility model can automatically recover and stack the empty tray; in addition, the utility model discloses owing to be provided with tray input mechanism, consequently can be equipped with the tray of work piece with a plurality of and stack from top to bottom and put in proper order, replaced the tray of dividing in the prior art and put in the mode of batching. The utility model is used for the tray transportation of automation line.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic perspective view of an embodiment of a single-layer bidirectional transport mechanism provided in the present invention;

fig. 2 is another schematic perspective view of an embodiment of a single-layer bidirectional transport mechanism according to the present invention;

fig. 3 is a schematic view of a three-dimensional structure of the single-layer bidirectional transport mechanism provided by the present invention after the tray is removed;

FIG. 4 is a left side view of FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 3;

fig. 6 is a cross-sectional view of the one-way supporting clamping seat provided by the present invention.

In the drawings: 10-rack, 100-conveying mechanism, 110-conveying motor, 120-conveying platform, 200-tray throwing mechanism, 300-tray stacking mechanism, 210-first lifting device, 220-tray supporting device, 410-workpiece, 400-tray, 221-telescopic cylinder, 222-bracket, 420-clearance groove, 430-positioning groove, 431-positioning block, 440-positioning pin, 450-cushion block, 230-first upper and lower limit switch, 500-third lifting device, 510-third front and rear limit switch, 310-second lifting device, 320-one-way supporting clamping seat, 321-supporting block, 323-clamping groove, 322-fixing seat, 324-upper part, 325-lower part, 326-compression spring, 330-second front and rear limit switch, 240-first front and rear limit switches, 600-baffles.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other. Finally, it should be noted that the terms "center, upper, lower, left, right, vertical, horizontal, inner, outer" and the like are used herein to indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms first, second and third as used herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Fig. 1 shows three directions of front-back, left-right, and up-down, which will be described below as references. Fig. 1 to 4 illustrate an embodiment of a single-layer bidirectional transportation mechanism, which includes a frame 10, wherein a transportation mechanism 100 capable of transporting back and forth is installed on the frame 10, the transportation mechanism 100 is specifically a transportation belt, in order to suspend the middle of the frame 10, the number of the transportation mechanism 100 is two, two transportation mechanisms 100 are respectively installed on the left and right sides of the frame 10, and the two transportation mechanisms 100 are driven by a transportation motor 110; the two conveying mechanisms 100 are provided with a conveying platform 120 together, and when the conveying platform 120 is placed on the upper surfaces of the two conveying mechanisms 100, the conveying platform 120 is driven by the conveying mechanisms 100 to move back and forth.

The rack 10 is provided with a tray releasing mechanism 200 and a tray stacking mechanism 300 in sequence from the back to the front. The tray releasing mechanism 200 includes a first lifting device 210 and two tray supporting devices 220, the first lifting device 210 is specifically a lifting cylinder, the two tray supporting devices 220 are respectively installed at the left and right sides of the rack 10, and the first lifting device 210 is installed on the rack 10 and located between the two tray supporting devices 220; the conveying platform 120 is arranged above the first lifting device 210, a plurality of trays 400 with workpieces 410 are arranged above the conveying platform 120, specifically, the tray supporting device 220 comprises a telescopic cylinder 221, a bracket 222 is connected to the tail end of a piston rod of the telescopic cylinder 221, the bracket 222 is supported on the rack 10, and the bracket 222 is used for supporting the trays 400. In order to enable the two brackets 222 to support the trays 400, the lower bottom surface of each tray 400 is provided with two clearance grooves 420, the moving path of the bracket 222 intersects with the clearance grooves 420, when the piston rod of the telescopic cylinder 221 extends, the bracket 222 also extends into the clearance grooves 420 to support the tray 400, and when the piston rod of the telescopic cylinder 221 retracts, the bracket 222 also retracts and leaves the clearance grooves 420. In order to enable a plurality of trays 400 to be stacked in an up-and-down aligned manner, a positioning groove 430 is formed on the right side surface of each tray 400, and a positioning block 431 matched with the positioning groove 430 is installed on the rack 10; in addition, the upper surface of each tray 400 is provided with two positioning pins 440, the lower bottom surface of each tray 400 is provided with two positioning holes, and the positions of the two positioning holes correspond to the positions of the two positioning pins 440 one by one, so that two adjacent trays 400 are positioned by the positioning pins 440 and the positioning holes. Meanwhile, in order to avoid the mutual collision between two adjacent trays 400, a plurality of spacers 450 are arranged on the upper surface of each tray 400, and since the shape of the tray 400 is preferably rectangular, the plurality of spacers 450 are distributed on the upper surface of the tray 400 in a rectangular manner.

The utility model discloses a to a plurality of tray 400 carries out automatic input, tray input mechanism 200 still includes first upper and lower limit switch 230, first upper and lower limit switch 230 is located on first elevating gear 210's the removal route, first upper and lower limit switch 230 specifically is photoelectric sensing switch, first upper and lower limit switch 230 respectively with first elevating gear 210 with telescopic cylinder 221 carries out signal of telecommunication connection. With the above structure, the steps of putting the tray 400 are as follows: 1. after receiving the signal for releasing the tray 400, the first lifting device 210 drives the conveying platform 120 to ascend and abut against the tray 400 at the bottommost layer; 2. the piston rods of the two telescopic cylinders 221 are retracted simultaneously, and the two brackets 222 are separated from the clearance grooves 420 of the trays 400, so that all the trays 400 are placed on the conveying platform 120; 3. the first lifting device 210 drives the conveying platform 120 to descend, when the tray 400 at the bottommost layer triggers the first upper and lower limit switches 230, the piston rods of the two telescopic cylinders 221 extend simultaneously, and the two brackets 222 extend into the clearance groove 420 of the tray 400 at the penultimate layer, so that the tray 400 which is not dropped is supported by the two brackets 222; 4. the first lifting device 210 drives the conveying platform 120 to continuously descend, and when the conveying platform 120 contacts with two conveying mechanisms 100, the conveying platform 120 drives a tray 400 to move along the feeding direction of the conveying mechanisms 100.

In other embodiments, a third lifting device 500 and a third front-rear limit switch 510 are installed at the front of the frame 10, the third lifting device 500 is specifically a lifting cylinder, the third lifting device 500 is located in front of the tray stacking mechanism 300, the third lifting device 500 is located between the two conveying mechanisms 100, and the third front-rear limit switch 510 is located on the moving path of the conveying platform 120; the third front-rear limit switch 510 is specifically a photoelectric sensing switch, and the third front-rear limit switch 510 is electrically connected to the conveying motor 110 and the third lifting device 500, respectively. When the conveying platform 120 triggers the third front-rear limit switch 510, at this time, the conveying motor 110 stops operating, and the third lifting device 500 drives the conveying platform 120 to ascend, so that a manipulator in the next process can conveniently clamp the workpiece 410 on the tray 400, when the workpiece 410 on the tray 400 is completely taken away, the third lifting device 500 drives the conveying platform 120 to descend, at this time, both the conveying mechanisms 100 are transported backwards, and when the conveying platform 120 contacts both the conveying mechanisms 100, the conveying platform 120 drives one tray 400 to move along the reset direction of the conveying mechanisms 100.

The tray stacking mechanism 300 includes a second lifting device 310 and at least two one-way supporting clamping seats 320, the second lifting device 310 is specifically a lifting cylinder, the number of the one-way supporting clamping seats 320 is preferably four, two one-way supporting clamping seats 320 are installed on the left and right sides of the rack 10, and the second lifting device 310 is installed on the rack 10 and located between the four one-way supporting clamping seats 320. As shown in fig. 5 and 6, the one-way supporting socket 320 includes a supporting block 321 and a fixing seat 322 having a slot 323, the supporting block 321 includes an upper portion 324 and a lower portion 325, the upper portion 324 and the lower portion 325 are integrally formed, the upper portion 324 is obliquely disposed on the lower portion 325, the upper portion 324 protrudes out of the slot 323, and the lower portion 325 is hinged in the slot 323. The working principle of the one-way supporting clamping seat 320 is as follows: because the inner side surface of the lower portion 325 abuts against the clamping groove 323, and the inner side surface of the upper portion 324 is spaced from the clamping groove 323 by a distance, when the one-way support clamping seat 320 receives an acting force from bottom to top, the support block 321 rotates upward and retracts into the clamping groove 323, at this time, the one-way support clamping seat 320 is in a retracted state, when the acting force disappears, the support block 321 can automatically rotate downward under the action of gravity until the inner side surface of the lower portion 325 abuts against the clamping groove 323, the support block 321 cannot continue to rotate downward, and at this time, the one-way support clamping seat 320 is in an opened state. In order to ensure that the supporting block 321 can be accurately reset after losing the acting force from bottom to top, the one-way supporting card holder 320 further includes a compression spring 326, the compression spring 326 is connected between the upper portion 324 and the card slot 323, when the acting force from bottom to top drives the supporting block 321 to rotate upwards, the compression spring 326 stores energy at this time, and when the acting force disappears, the compression spring 326 releases energy, so that the supporting block 321 can automatically rotate downwards. In order to allow the dropped tray 400 to be smoothly placed on the supporting block 321, the top surface of the supporting member is a horizontal surface when the one-way supporting cartridges 320 are in the opened state.

As shown in fig. 1 to 4, the utility model discloses a carry out automatic recovery to the tray 400 of having put in, tray stacking mechanism 300 still includes limit switch 330 around the second, limit switch 330 is located around the second on conveying platform 120's the moving path, limit switch 330 specifically is photoelectric sensing switch around the second, limit switch 330 around the second respectively with conveying motor 110 with second elevating gear 310 carries out signal of telecommunication and connects. With the above structure, the steps of recovering the tray 400 that has been dropped are as follows: 1. in the process that the conveying platform 120 is reset backwards, when the dropped tray 400 triggers the second front and rear limit switches 330, at this time, the conveying motor 110 stops operating, and the second lifting device 310 drives the conveying platform 120 to lift, so that the empty tray 400 also lifts; 2. while the empty tray 400 is gradually lifted upwards, the two sides of the empty tray 400 continuously press the supporting members, so that all the one-way supporting clamping seats 320 are in a contracted state; 3. when the empty tray 400 is higher than all the one-way supporting clamping seats 320, the one-way supporting clamping seats 320 are in an open state at the moment because the extrusion force from bottom to top disappears; 4. after the second lifting device 310 is lifted to a certain height, the second lifting device 310 drives the conveying platform 120 to descend until the empty tray 400 is supported by the four unidirectional supporting clamping seats 320, and at this time, the two conveying mechanisms 100 are transported backwards; 5. when the conveying platform 120 contacts two conveying mechanisms 100, the conveying platform 120 moves along the reset direction of the conveying mechanisms 100, and no tray 400 is placed on the conveying platform 120. It should be noted that, if the empty tray 400 is already stacked on the tray stacking mechanism 300, when the next empty tray 400 is lifted by the second lifting device 310, the empty tray 400 can jack up the existing empty tray 400, and all the empty trays 400 are stacked on the four unidirectional support cartridges 320.

The utility model discloses a right conveying platform 120 resets, tray delivery mechanism 200 still includes first front and back limit switch 240, first front and back limit switch 240 is located on conveying platform 120's the removal route, first front and back limit switch 240 specifically is photoelectric sensing switch, first front and back limit switch 240 with conveying motor 110 carries out signal of telecommunication and connects. When conveying platform 120 triggers limit switch 240 around first, conveying motor 110 stall, this moment the utility model discloses be in standby state, wait for next operation.

In other embodiments, in order to improve the safety of the present invention, a baffle 600 is installed in the middle of the frame 10, the baffle 600 is located between the tray stacking mechanism 300 and the third lifting device 500, and a space through which the conveying platform 120 can pass is left below the baffle 600.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.

Claims

1. A single-deck bi-directional transport mechanism, comprising:

the conveying device comprises a rack (10), wherein conveying mechanisms (100) capable of being conveyed back and forth are mounted on the left side and the right side of the rack (10), a conveying platform (120) is arranged on the two conveying mechanisms (100) together, and the conveying platform (120) is driven by the conveying mechanisms (100) to move back and forth;

the tray releasing mechanism (200) comprises a first lifting device (210) and two tray supporting devices (220), the two tray supporting devices (220) are respectively installed on the left side and the right side of the rack (10), the first lifting device (210) is installed on the rack (10) and located between the two tray supporting devices (220), the conveying platform (120) is arranged above the first lifting device (210), and the tray supporting devices (220) are used for supporting the trays (400) which are not released;

the tray stacking mechanism (300) comprises a second lifting device (310) and at least two one-way supporting clamping seats (320), wherein at least one-way supporting clamping seat (320) is installed on each of the left side and the right side of the rack (10), the second lifting device (310) is installed on the rack (10) and located between all the one-way supporting clamping seats (320), the one-way supporting clamping seats (320) pass in one way from bottom to top, and the one-way supporting clamping seats (320) are used for supporting the dropped trays (400);

the tray throwing mechanism (200) and the tray stacking mechanism (300) are sequentially arranged on the rack (10) from back to front.

2. The single layer bi-directional transport mechanism of claim 1, wherein: the tray is characterized by further comprising a plurality of trays (400), two clearance grooves (420) are formed in the lower bottom surface of each tray (400), and positioning grooves (430) are formed in the right side surface of each tray (400).

3. A single deck bi-directional transport mechanism as recited in claim 2, wherein: the upper surface of each tray (400) is provided with a plurality of cushion blocks (450).

4. A single deck bi-directional transport mechanism as recited in claim 2, wherein: the tray supporting device (220) comprises a telescopic cylinder (221), the tail end of a piston rod of the telescopic cylinder (221) is connected with a bracket (222), and a moving path of the bracket (222) is intersected with the clearance groove (420).

5. A single deck bi-directional transport mechanism as recited in claim 2, wherein: and a positioning block (431) matched with the positioning groove (430) for use is arranged on the rack (10).

6. The single layer bi-directional transport mechanism of claim 1, wherein: the front portion of the rack (10) is provided with a third lifting device (500) and a third front-rear limit switch (510), the third lifting device (500) is located in front of the tray stacking mechanism (300), the third lifting device (500) is located between the two conveying mechanisms (100), and the third front-rear limit switch (510) is located on a moving path of the conveying platform (120).

7. The single layer bi-directional transport mechanism of claim 6, wherein: the middle part of frame (10) is installed baffle (600), baffle (600) are located the tray is stacked mechanism (300) and between third elevating gear (500).

8. The single layer bi-directional transport mechanism of claim 1, wherein: the one-way supporting clamping seat (320) comprises a supporting block (321) and a fixed seat (322) with a clamping groove (323), the supporting block (321) comprises an upper part (324) and a lower part (325), the upper part (324) is obliquely arranged on the lower part (325), the upper part (324) protrudes out of the clamping groove (323), and the lower part (325) is hinged in the clamping groove (323).

9. The single layer bi-directional transport mechanism of claim 8, wherein: the one-way support cartridge (320) further includes a compression spring (326), the compression spring (326) being connected between the upper portion (324) and the card slot (323).

10. The single layer bi-directional transport mechanism of claim 1, wherein: the tray releasing mechanism (200) further comprises a first upper limit switch, a first lower limit switch (230) and a first front limit switch and a first rear limit switch (240), the first upper limit switch and the first lower limit switch (230) are located on a moving path of the first lifting device (210), and the first front limit switch and the first rear limit switch (240) are located on a moving path of the conveying platform (120); the tray stacking mechanism (300) further comprises a second front-rear limit switch (330), and the second front-rear limit switch (330) is located on a moving path of the conveying platform (120).