CN108820872B - Feeding mechanism - Google Patents

Abstract

The invention belongs to the technical field of automatic production equipment, and discloses a feeding mechanism which comprises a rack, wherein the rack is provided with: the feeding assembly is stacked with a plurality of trays carrying products and can lift the trays layer by layer; the tray suction assembly is positioned above the feeding assembly and can suck the tray on the feeding assembly; the translation assembly can move the tray sucked by the tray suction assembly to a feeding area so as to be used for a manipulator to grasp products; the tray recycling assembly is located below the feeding area and can enable the trays after the products are grabbed to descend and recycle layer by layer. The invention can realize automatic feeding and tray recovery and improve the production efficiency.

Description

Feeding mechanism

Technical Field

The invention relates to the technical field of automatic production equipment, in particular to a feeding mechanism.

Background

On an automatic production line for winding a framework coil, a feeding mechanism is essentially required to feed the framework to be wound. The existing feeding mechanism is low in automation degree, and most of the feeding mechanisms are required to finish operation by means of manual assistance; some feeding mechanisms can realize full automation of the feeding process, but the recovery of the tray after the material is taken out is often completed by means of manpower. In addition, when being sent by fork truck with stacking the tray, need the manual work to place the tray on the conveying line by the tray, lack can be direct with fork truck complex feed mechanism, this process has increased the cost of labor again. Therefore, the automation degree of the process on feeding and tray recovery is low, the production efficiency is low, and the labor cost is high.

Disclosure of Invention

The invention aims to provide a feeding mechanism which can realize automatic feeding and tray recovery and improve production efficiency.

To achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a feed mechanism, includes the frame, be provided with in the frame:

the feeding assembly is stacked with a plurality of trays carrying products and can lift the trays layer by layer;

the tray suction assembly is positioned above the feeding assembly and can suck the tray on the feeding assembly;

the translation assembly can move the tray sucked by the tray suction assembly to a feeding area so as to be used for a manipulator to grasp products; and

The tray recycling assembly is located below the feeding area, and the tray recycling assembly can descend and recycle the trays after the products are grabbed layer by layer.

Preferably, the feeding assembly comprises:

the first upright post is arranged on the rack;

the first lifting plate is connected to the first upright post in a sliding manner; and

The first driving part is arranged on the frame and connected with the first lifting plate, and the first driving part can drive the first lifting plate to slide along the first upright post.

Preferably, the tray suction assembly includes:

the support frame is arranged on the frame; and

The suction plate is arranged on the supporting frame and can move up and down relative to the supporting frame, and the suction plate is provided with a plurality of vacuum suction cups which face the feeding assembly.

Preferably, the tray sucking assembly further comprises an adjusting block connected to the sucking plate, the vacuum chuck is arranged on the adjusting block, and the adjusting block is arranged at the bottom of the sucking plate and can swing on the bottom surface of the sucking plate.

Preferably, the adjusting block is provided with a strip-shaped hole, and the vacuum chuck is arranged at the strip-shaped hole.

Preferably, the translation assembly comprises:

the translation sliding rail is arranged on the rack;

the carrier is arranged on the translation sliding rail and can slide along the translation sliding rail; and

And the translation driving part is connected with the carrying platform and can drive the carrying platform to slide along the translation sliding rail.

Preferably, the translation driving section includes:

the translation driving motor is arranged on the frame;

the first gear is connected to the output end of the translation driving motor, and the second gear is rotatably connected to the frame;

a toothed belt connected between the first gear and the second gear; and

The transmission block is arranged on the carrier and sleeved outside the toothed belt, the transmission block is provided with tooth grooves matched with the toothed belt, and the transmission block can drive the carrier to slide under the movement of the toothed belt.

Preferably, the tray recycling assembly includes:

the second upright post is arranged on the rack;

the second lifting plate is connected to the second upright post in a sliding manner; and

The second driving part is arranged on the frame and connected with the second lifting plate, and the second driving part can drive the second lifting plate to slide along the second upright post.

Preferably, the feeding mechanism further comprises a baffle assembly arranged on the frame, and the baffle assembly can be lifted relative to the translation assembly so as to resist the tray on the translation assembly.

Preferably, the feeding mechanism further comprises a plurality of limiting rods vertically arranged around the feeding assembly and the tray recycling assembly in a surrounding mode, and the limiting rods can limit the tray when the tray ascends or descends.

The beneficial effects are that:

according to the invention, a plurality of trays carrying products are stacked on the feeding assembly, the trays rise layer by layer, after the uppermost tray is sucked up by the tray suction assembly, the translation assembly moves between the feeding assembly and the tray suction assembly, the tray put down by the tray suction assembly is received, and the tray is moved to the feeding area for the manipulator to grasp the products, so that feeding is completed; after loading is completed, the translation assembly is separated from the tray and returns back, at the moment, the tray falls onto the tray recycling assembly, the tray recycling assembly descends layer by layer, and the trays without products are recycled after being stacked. The invention can realize automatic feeding and tray recovery, improves the production efficiency and reduces the labor cost.

Drawings

FIG. 1 is a schematic diagram of a loading mechanism of the present invention;

FIG. 2 is a schematic view of a loading assembly carrying a tray of the loading mechanism of the present invention;

FIG. 3 is a schematic view of the structure of the feeding assembly of the feeding mechanism of the present invention;

FIG. 4 is a schematic view of a tray suction assembly of the feeding mechanism of the present invention;

FIG. 5 is a schematic view of the structure of the suction plate, adjusting block and vacuum chuck fitting of the present invention;

FIG. 6 is a schematic structural view of a translation assembly of the loading mechanism of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at A;

FIG. 8 is a schematic view of the tray suction assembly, baffle assembly and translation assembly of the present invention;

FIG. 9 is a schematic structural view of a baffle assembly of the present invention;

fig. 10 is a schematic structural view of a feeding assembly and a stop lever according to the present invention.

In the figure:

80. a tray;

1. a feeding assembly; 11. a first upright; 12. a first lifting plate; 121. fork grooves; 13. a first driving section; 131. a first screw rod; 132. a first nut; 14. a first slide rail; 15. a first slider;

2. a tray suction assembly; 21. a support frame; 22. a suction plate; 221. an arc-shaped hole; 23. a vacuum chuck; 24. a lifting cylinder; 25. a guide rod; 26. an adjusting block; 261. a strip-shaped hole;

3. a translation assembly; 31. translating the slide rail; 32. a carrier; 33. a translation slider; 34. a translation driving section; 341. a translation driving motor; 342. a first gear; 343. a second gear; 344. a toothed belt; 345. a transmission block;

4. a tray recycling assembly;

5. a baffle assembly; 51. a baffle bracket; 52. a slipway cylinder; 53. a baffle; 531. a stop block;

6. and a limit rod.

Detailed Description

The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.

The invention provides a feeding mechanism which is used for feeding a framework to be wound, and as shown in fig. 1, the feeding mechanism comprises a frame, and a feeding assembly 1, a tray sucking assembly 2, a translation assembly 3 and a tray recycling assembly 4 which are arranged on the frame. Wherein, the feeding component 1 is stacked with a plurality of trays 80 carrying products (namely, skeletons to be wound), and the trays 80 can be lifted layer by layer; the tray sucking assembly 2 is positioned above the feeding assembly 1 and can suck the uppermost single tray 80 on the feeding assembly 1; the translation assembly 3 can receive the tray 80 put down by the tray suction assembly 2, and move the tray 80 to a feeding area for a manipulator to grasp products, so that feeding is completed; the tray recycling assembly 4 is located below the feeding area, after feeding is completed, the translation assembly 3 is separated from the tray 80 and retreats, at this time, the tray 80 falls onto the tray recycling assembly 4, the tray recycling assembly 4 descends layer by layer, and the trays 80 which do not carry products are recycled after being stacked. The invention can realize automatic feeding and tray recovery, improves the production efficiency and reduces the labor cost.

In this embodiment, as shown in fig. 2, the feeding assembly 1 includes a first upright 11 disposed on a frame, a first lifting plate 12 slidably connected to the first upright 11, and a first driving portion 13 disposed on the frame and connected to the first lifting plate 12, where the first driving portion 13 can drive the first lifting plate 12 to slide along the first upright 11. The first stand 11 can be two, and parallel arrangement is in the frame, and first lifter plate 12 respectively with two first stand 11 sliding connection can guarantee the stationarity when first lifter plate 12 slides. The first upright 11 is provided with the first slide rail 14, the first lifting plate 12 is provided with the first slide block 15 matched with the first slide rail 14, and the first lifting plate 12 slides on the first upright 11 through the matching of the first slide rail 14 and the first slide block 15, so that the sliding smoothness is ensured. The first lifting plate 12 obtains sliding power through the first driving part 13, specifically, the first driving part 13 comprises a first screw rod 131 parallel to the first upright 11 and rotationally arranged on the frame and a first screw nut 132 connected to the first lifting plate 12, the first screw nut 132 is sleeved on the first screw rod 131 and is matched and connected with the first screw rod 131, and when the first screw rod 131 rotates clockwise or anticlockwise, the first screw nut 132 can be driven to move along the axis direction of the first screw rod 131, so that the first lifting plate 12 is driven to ascend or descend. The rotation of the first screw 131 may be driven by a conventional motor, which is a common structure in the prior art, and will not be described herein.

In order to facilitate the cooperation of the feeding assembly 1 and the forklift, save the cost of manual carrying between the two, save the carrying step, in this embodiment, as shown in fig. 3, two fork grooves 121 are formed in the first lifting plate 12, and one side of the fork groove 121, which is far away from the upright post, is provided with an opening, the two fork grooves 121 are respectively matched with two steel forks of the forklift, when the forklift transports the stacked pallet 80 to the feeding assembly 1, the two steel forks are respectively correspondingly inserted into the two fork grooves 121, the stacked pallet 80 can be directly placed on the first lifting plate 12, and after the placement is completed, the steel forks of the forklift can directly exit the fork grooves 121 after being lowered by a certain distance. Through set up fork pocket 121 on first lifter plate 12, can be convenient for fork truck directly place the tray 80 that stacks up on the first lifter plate 12, practice thrift cost of labor and handling time, improve production efficiency.

The feeding assembly 1 lifts the tray 80 to the tray sucking assembly 2, as shown in fig. 4, the tray sucking assembly 2 comprises a supporting frame 21 arranged on the frame and a sucking plate 22 arranged on the supporting frame 21, the sucking plate 22 can move up and down relative to the supporting frame 21, and the sucking plate 22 is provided with a plurality of vacuum sucking discs 23 facing the feeding assembly 1. After the tray is sucked by the vacuum chuck 23, the suction plate 22 moves upward, and the tray 80 can be sucked up. Wherein, the up-and-down movement of the suction plate 22 is realized by a lifting cylinder 24 arranged on the supporting frame 21, the output end of the lifting cylinder 24 penetrates through the supporting seat and is connected with the suction plate 22 for driving the suction plate 22 to move up and down, the number of the lifting cylinders 24 can be two, the power for driving the suction plate 22 can be increased, and the stability of the suction plate 22 during movement is ensured. The tray suction assembly 2 is further provided with a plurality of guide rods 25, and the guide rods 25 penetrate through the supporting frame 21 and are connected with the suction plate 22, so that a guide effect can be achieved when the suction plate 22 moves up and down, and a plurality of positions of the suction plate 22 are supported. The vacuum chuck 23 can realize vacuum adsorption to the tray 80 by externally connecting a vacuum pumping device.

As shown in fig. 5, in order to adjust the position of the vacuum chuck 23 according to the structure of the tray 80, the tray suction assembly 2 is provided with an adjusting block 26 connected to the suction plate 22, the vacuum chuck 23 is disposed on the adjusting block 26, and the adjusting block 26 is disposed at the bottom of the suction plate 22 and can swing on the bottom surface of the suction plate 22 to drive the vacuum chuck 23 to swing on the suction plate 22 for position adjustment. Specifically, the middle part of the adjusting block 26 is rotatably connected to the suction plate 22 through a rotation pivot, the vacuum chuck 23 is arranged at one end of the adjusting block 26, a screw is arranged at the other end of the adjusting block 26 in a penetrating manner, an arc hole 221 which is identical to the swing path of the other end of the adjusting block 26 is arranged on the suction plate 22, the screw penetrates through the arc hole 221 and can move in the arc hole 221, and after the position of the adjusting block is adjusted in place, the screw is locked with the suction plate 22 through a nut, so that the position between the adjusting block and the suction plate 22 is fixed. The adjusting block 26 is provided with a strip-shaped hole 261, and the vacuum chuck 23 is mounted at the strip-shaped hole 261 and the mounting position thereof can be adjusted along the strip-shaped hole 261. By providing the adjusting block 26, the position of the vacuum chuck 23 can be adjusted, so that the position suitable for the suction of the vacuum chuck 23 can be selected according to the structure of the tray 80.

After the tray sucking assembly 2 sucks the uppermost tray 80, the translation assembly 3 moves between the tray sucking assembly 2 and the feeding assembly 1. As shown in fig. 6, the translation assembly 3 includes a translation slide rail 31 disposed on the frame, a carrier 32 disposed on the translation slide rail 31 and capable of sliding along the translation slide rail 31, and a translation driving portion 34 disposed on the frame. The two parallel translation sliding rails 31 are respectively provided with a translation sliding block 33 matched with the translation sliding rails 31 on the two sides, and the translation sliding rails 31 slide on the translation sliding rails 31 to enable the carrier 32 to move smoothly along the translation sliding rails 31. The translation driving unit 34 is connected to the stage 32, and can drive the stage 32 to move along the translation rail 31.

As shown in fig. 6 and 7, the translational driving portion 34 includes a translational driving motor 341, a first gear 342, a second gear 343, a toothed belt 344 and a transmission block 345, where the translational driving motor 341 is disposed on a frame, the first gear 342 is connected to an output end of the translational driving motor 341, the second gear 343 is rotatably connected to the frame, the toothed belt 344 is connected between the first gear 342 and the second gear 343 and is cooperatively connected with the first gear 342 and the second gear 343, and the first gear 342 is driven to rotate by the translational driving motor 341, so as to drive the second gear 343 to rotate and the toothed belt 344 to move. The transmission block 345 is arranged on the carrier 32 and sleeved outside the toothed belt 344, the transmission block 345 is provided with tooth grooves matched with the toothed belt 344, and the toothed belt 344 can drive the transmission block 345 to move when moving, so that the carrier 32 is driven to slide along the translation sliding rail 31.

After the translation assembly 3 conveys the tray 80 to the loading area, the manipulator grabs the product on the tray 80 to the next process, and the loading process is completed. When the products on the tray 80 are all taken away, the translation assembly 3 is separated from the tray 80 and returns to the tray sucking assembly 2 and the feeding assembly 1 assembly, and the next tray 80 is conveyed. In this embodiment, as shown in fig. 8 and 9, by providing the shutter assembly 5 to resist the tray 80 on the translation assembly 3 at the loading area, the shutter assembly 5 can be lifted relative to the translation assembly 3, and when the shutter assembly 5 is lowered, the tray 80 is resisted, so that when the translation assembly 3 is retracted, the tray 80 can be disengaged. The shutter assembly 5 may be provided on the frame or on the support frame 21 of the tray suction assembly 2 (see fig. 8). The baffle assembly 5 comprises a baffle support 51 arranged on the frame, a sliding table cylinder 52 arranged on the baffle support 51, and a baffle 53 connected to the output end of the sliding table cylinder 52, wherein the baffle 53 is driven to lift by the sliding table cylinder 52, when the translation assembly 3 moves from the lower part of the tray 80 adsorption assembly to the feeding area, the baffle 53 lifts, and the translation assembly 3 can pass through the tray 80; when the translation assembly 3 needs to be retracted below the tray suction assembly after being separated from the tray 80, the baffle 53 descends to prop against the tray 80, so that the tray 80 is prevented from moving along with the translation assembly 3. The baffle 53 is provided with two stops 531 protruding therefrom to facilitate the resistance to the tray 80.

The tray recycling assembly 4 is located below the loading area, and when the translation assembly 3 retreats, the tray 80 loses the supporting function and falls onto the tray recycling assembly 4. The tray recycling assembly 4 comprises a second upright post arranged on the frame, a second lifting plate connected to the second upright post in a sliding manner, and a second driving part arranged on the frame and connected with the second lifting plate, wherein the second driving part can drive the second lifting plate to slide along the second upright post. The tray 80 from which the product has been taken falls onto the second lifter plate and descends a layer of trays by a distance such that the next tray falls, a plurality of trays 80 can be stacked together and eventually removed by a forklift. The specific structure of the tray recycling assembly 4 for realizing the lifting movement of the second lifting plate is substantially similar to the structure of the feeding assembly 1 for realizing the movement of the first lifting plate 12, and will not be described herein. The specific structure of the second lifting plate is the same as that of the first lifting plate 12, and the second lifting plate can be matched with a forklift, so that the tray 80 is finally taken away through the forklift, the time for manually placing the tray 80 on the forklift is saved, and the production efficiency is improved.

As shown in fig. 10, the feeding mechanism further includes a plurality of stop bars 6 vertically looped around the feeding assembly 1 and the tray recycling assembly 4, and the stop bars 6 can stop the tray 80 when the tray 80 rises or falls. Specifically, the stop lever 6 is located on three sides of the first lifter plate 12 and the second lifter plate except the side near the input side of the forklift. By providing the stopper rod 6, a plurality of trays 80 can be stacked neatly on the first lifter plate 12 and the second lifter plate.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims (7)

1. The utility model provides a feed mechanism, includes the frame, its characterized in that is provided with in the frame:

the feeding assembly (1) is stacked with a plurality of trays (80) carrying products, and the feeding assembly (1) can lift the trays (80) layer by layer;

the tray suction assembly (2) is positioned above the feeding assembly (1) and can suck the tray (80) on the feeding assembly (1);

the translation assembly (3) can move the tray (80) sucked by the tray suction assembly (2) to an feeding area for a manipulator to grasp a product; and

The tray recycling assembly (4) is positioned below the feeding area, and the tray recycling assembly (4) can descend and recycle the trays (80) after the products are grabbed layer by layer;

the baffle assembly (5) is arranged on the frame, and the baffle assembly (5) can be lifted relative to the translation assembly (3) so as to resist the tray (80) on the translation assembly (3);

the baffle assembly (5) comprises a baffle support (51) arranged on the frame, a sliding table cylinder (52) arranged on the baffle support (51), and a baffle (53) connected to the output end of the sliding table cylinder (52), wherein the baffle (53) is driven to lift by the sliding table cylinder (52);

the translation assembly (3) comprises:

a translation sliding rail (31) arranged on the frame;

a carrier (32) which is provided on the translation slide rail (31) and can slide along the translation slide rail (31); and

A translation driving part (34) connected with the carrying platform (32), wherein the translation driving part (34) can drive the carrying platform (32) to slide along the translation sliding rail (31);

the translation driving section (34) includes:

a translation drive motor (341) provided to the frame;

a first gear (342) and a second gear (343), wherein the first gear (342) is connected to the output end of the translation driving motor (341), and the second gear (343) is rotatably connected to the frame;

a toothed belt (344) connected between the first gear (342) and the second gear (343); and

The transmission block (345) is arranged outside the carrier (32) and sleeved outside the toothed belt (344), the transmission block (345) is provided with tooth grooves matched with the toothed belt (344), and the transmission block (345) can drive the carrier (32) to slide under the movement of the toothed belt (344).

2. Feeding mechanism according to claim 1, characterized in that the feeding assembly (1) comprises:

the first upright post (11) is arranged on the rack;

the first lifting plate (12) is connected to the first upright post (11) in a sliding manner; and

The first driving part (13) is arranged on the frame and connected with the first lifting plate (12), and the first driving part (13) can drive the first lifting plate (12) to slide along the first upright post (11).

3. Feeding mechanism according to claim 1, characterized in that the tray suction assembly (2) comprises:

a support (21) provided on the frame; and

The suction plate (22) is arranged on the supporting frame (21) and can move up and down relative to the supporting frame (21), and the suction plate (22) is provided with a plurality of vacuum suckers (23) facing the feeding assembly (1).

4. A feeding mechanism according to claim 3, wherein the tray suction assembly (2) further comprises an adjusting block (26) connected to the suction plate (22), the vacuum chuck (23) is arranged on the adjusting block (26), and the adjusting block (26) is arranged at the bottom of the suction plate (22) and can swing at the bottom surface of the suction plate (22).

5. Feeding mechanism according to claim 4, characterized in that the adjusting block (26) is provided with an elongated hole (261), and the vacuum chuck (23) is mounted at the elongated hole (261).

6. Feeding mechanism according to claim 1, characterized in that the tray recycling assembly (4) comprises:

the second upright post is arranged on the rack;

the second lifting plate is connected to the second upright post in a sliding manner; and

The second driving part is arranged on the frame and connected with the second lifting plate, and the second driving part can drive the second lifting plate to slide along the second upright post.

7. The feeding mechanism according to any one of claims 1-6, further comprising a plurality of limit bars (6) vertically looped around the feeding assembly (1) and the tray recycling assembly (4), wherein the limit bars (6) can limit the tray (80) when the tray (80) rises or falls.