CN114538149A

CN114538149A - Feeding device

Info

Publication number: CN114538149A
Application number: CN202210258135.2A
Authority: CN
Inventors: 方云科; 帅宝玉; 张前锋
Original assignee: Hangzhou Aike Automation Technology Co ltd; Hangzhou Iecho Technology Co ltd
Current assignee: Hangzhou Aike Automation Technology Co ltd; Hangzhou Iecho Technology Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-05-27

Abstract

The invention discloses a feeding device which comprises an installation frame, a single stripping mechanism, a stock tray and a blowing mechanism, wherein the single stripping mechanism is positioned above the stock tray and used for adsorbing single sheet stock, the stock tray is provided with a stock position used for storing a sheet stock stack, the installation frame is provided with a lifting mechanism used for driving the stock tray to move towards the direction of the single stripping mechanism, and the blowing mechanism is positioned on one side of the stock tray and used for blowing the upper layer of the sheet stock stack. Because the air outlet direction of the air blowing mechanism and the horizontal plane have a preset elevation angle, the air outlet of the air blowing mechanism can blow the upper sheet stock in the sheet stock stack. The sheet material at the uppermost layer is usually in the largest turnover angle, the sheet material is blown up and simultaneously adsorbed by the single stripping mechanism, the sheet material at the uppermost layer is adsorbed, and the rest sheet materials fall back to the sheet material pile after the blowing mechanism is stopped, so that the phenomenon that the feeding device brings out the rest sheet materials is avoided. Therefore, the rejection rate of the sheet materials can be reduced, and the enterprise benefit is improved.

Description

Feeding device

Technical Field

The invention relates to the technical field of cutting equipment, in particular to a feeding device.

Background

Die cutting equipment is usually equipped with an automatic feeding mechanism, but the existing feeding mechanism often drives more than two sheets into the feeding driving roller during feeding. The redundant sheet materials are often placed incorrectly, and the redundant sheet materials are scrapped after cutting, so that the cutting precision and the enterprise benefit are seriously influenced.

Therefore, how to provide a technical solution capable of solving the above problems is a technical problem which needs to be solved urgently by those skilled in the art.

Disclosure of Invention

The invention aims to provide a feeding device, which blows up upper-layer sheet materials through a blowing mechanism, ensures that the uppermost-layer sheet materials are adsorbed by a single stripping mechanism by utilizing different turnover angles of the sheet materials at different positions, avoids adsorbing redundant sheet materials, further improves the cutting precision and improves the enterprise benefit.

In order to achieve the above object, the present invention provides a feeding device, comprising:

a mounting frame;

the material storage tray is provided with a material storage position for storing a sheet stack, and the mounting frame is provided with a lifting mechanism for driving the material storage tray to move towards the direction of the single stripping mechanism;

the single-sheet stripping mechanism is positioned above the material storage tray and used for adsorbing single sheets;

and the blowing mechanism is positioned on one side of the material storage tray and used for blowing the upper layer of the sheet material pile, and a preset elevation angle is formed between the air outlet direction of the blowing mechanism and the horizontal plane.

Preferably, the mounting rack comprises a vertical plate, the stock tray is located on one side of the vertical plate, the vertical plate is provided with a blowing opening located above the stock tray, the blowing mechanism is installed on one side, away from the stock tray, of the vertical plate, the air outlet of the blowing mechanism corresponds to the blowing opening, and the single stripping mechanism is located above the vertical plate.

Preferably, the air blowing port is provided with a filter screen.

Preferably, the blowing mechanism is a fan, a mounting seat is arranged on one side, away from the stock tray, of the vertical plate, and the fan is connected with the vertical plate through the mounting seat.

Preferably, the mounting bracket still includes the bottom plate, the bottom plate with the lower extreme fixed connection of riser, elevating system's stiff end with bottom plate fixed connection, elevating system's removal end with stock tray fixed connection.

Preferably, the single stripping mechanism comprises an adsorption belt driving roller and an adsorption belt driven roller which are parallel to the material storage tray, an adsorption belt driving wheel and an adsorption belt driven wheel are respectively arranged on the peripheries of the adsorption belt driving roller and the adsorption belt driven roller, the feeding adsorption belt is installed around the adsorption belt driving wheel and the adsorption belt driven wheel and rotates, and the single stripping mechanism further comprises an adsorption vacuum tube for adsorbing the sheet materials under negative pressure.

Preferably, the two driven rollers of the adsorption belt are arranged with the axes thereof parallel.

Preferably, one side that the upper end of riser was kept away from stock tray is equipped with the feeding drive roller, feeding drive roller top is equipped with the feeding pinch roller.

Preferably, one side of the vertical plate, which is far away from the material storage tray, is provided with a driving motor, and the feeding driving roller and the adsorption belt driving roller are in transmission connection with the driving motor through a feeding driving belt.

Preferably, the mounting rack further comprises side plates located on two sides of the vertical plate, the upper ends of the side plates are higher than the upper end of the vertical plate, and the single stripping mechanisms are fixed through the side plates.

The feeding device provided by the invention comprises an installation frame, a single stripping mechanism, a stock tray and a blowing mechanism, wherein the single stripping mechanism is positioned above the stock tray and used for adsorbing single sheet stock, the stock tray is provided with a stock position used for storing a sheet stock pile, the installation frame is provided with a lifting mechanism used for driving the stock tray to move towards the direction of the single stripping mechanism, and the blowing mechanism is positioned on one side of the stock tray and used for blowing the upper layer of the sheet stock pile.

Because the air outlet direction of the air blowing mechanism and the horizontal plane have a preset elevation angle, the air outlet of the air blowing mechanism can blow the upper sheet stock in the sheet stock stack. The sheet material at the uppermost layer is usually in the largest turnover angle, the single stripping mechanism is used for absorbing while the sheet material stack is blown, the sheet material at the uppermost layer is absorbed, and the rest sheet materials fall back to the sheet material stack after the blowing mechanism is stopped, so that the situation that the feeding device brings out the rest sheet materials is avoided. Therefore, the rejection rate of the sheet materials can be reduced, and the enterprise benefit is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a first embodiment of a feeding mechanism provided in the present invention;

FIG. 2 is a schematic structural diagram of a second embodiment of a feeding mechanism according to the present invention;

FIG. 3 is a schematic structural view of the adsorption assembly of FIG. 1;

FIG. 4 is a side view of the adsorbent assembly of FIG. 3;

FIG. 5 is a side view of the adsorbent assembly of FIG. 3 engaged with a stack of sheets;

FIG. 6 is a top view of the adsorbent assembly of FIG. 3;

FIG. 7 is a schematic view of the suction assembly of FIG. 2 engaged with a fan;

FIG. 8 is a schematic view after the stack of flakes has been blown up.

Wherein the reference numerals in fig. 1 to 8 are:

the device comprises a mounting frame 1, a material storage tray 2, a single-sheet stripping mechanism 3, a lifting mechanism 4, a fan 5, a sheet stock pile 6, an air nozzle 7, a bottom plate 11, a vertical plate 12, a side plate 13, a filter screen 14, an adsorption belt driving roller 31, a driving motor 32, a feeding driving roller 33, a feeding adsorption belt 34, an adsorption vacuum tube 35, a feeding pinch roller 36, an adsorption belt driven roller 37 and a baffle 38.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 8, fig. 1 is a schematic structural diagram of a first embodiment of a feeding mechanism according to the present invention; FIG. 2 is a schematic structural diagram of a second embodiment of a feeding mechanism according to the present invention; FIG. 3 is a schematic structural view of the adsorption assembly of FIG. 1; FIG. 4 is a side view of the adsorbent assembly of FIG. 3; FIG. 5 is a side view of the adsorbent assembly of FIG. 3 engaged with a stack of sheets; FIG. 6 is a top view of the adsorbent assembly of FIG. 3; FIG. 7 is a schematic view of the suction assembly of FIG. 2 engaged with a fan; FIG. 8 is a schematic view after the stack of flakes has been blown up. .

The structure of the feeding device provided by the invention is shown in figure 1 or figure 2, and the feeding device comprises a mounting frame 1, a single-sheet stripping mechanism 3, a material storage tray 2 and a blowing mechanism. Wherein, stock tray 2 sets up along the horizontal direction to link to each other with mounting bracket 1 through elevating system 4. The stock tray 2 is provided with a stock level on which a stack 6 of sheet stock can be placed. The single-sheet peeling mechanism 3 is fixed above the stock tray 2 by the mounting frame 1, and the single-sheet peeling mechanism 3 can peel a single sheet from the stack 6 of sheets for subsequent cutting. In addition, the mounting rack 1 is provided with a blowing mechanism, and the blowing mechanism is positioned on one side of the material storage tray 2. The blowing mechanism blows air towards the material storage position, and a preset elevation angle is formed between the air-out direction and the horizontal plane. When the air blowing mechanism blows air, the sheet stock on the upper layer of the sheet stock pile 6 can be blown to turn up, and the single stripping mechanism 3 is matched with the air blowing mechanism to strip the turned-up sheet stock on the uppermost layer.

The blowing mechanism blows a plurality of sheet materials on the upper layer of the sheet material pile 6 to turn up along the preset elevation angle, as shown in fig. 8, the turning angle of the sheet material on the uppermost layer is the largest, and the turning angles of the rest sheet materials are smaller than that of the sheet material on the uppermost layer. At the moment, the single stripping mechanism 3 adsorbs the sheet material on the uppermost layer through negative pressure, so that the risk of adsorbing redundant sheet materials can be effectively reduced, and the enterprise benefit is improved. The turning angle of the sheet material is related to the air supply amount of the blowing mechanism and the material of the sheet material, and a user can set the air supply amount according to needs, and the air supply amount is not limited herein.

Optionally, the mounting frame 1 includes a vertical plate 12, a bottom plate 11 and two side plates 13. The bottom plate 11 is fixedly connected with the lower part of the vertical plate 12, the side plates 13 are perpendicular to the bottom plate 11 and the vertical plate 12, and the two side plates 13 are respectively arranged on two sides of the vertical plate 12 and fixedly connected with the vertical plate 12.

Alternatively, as shown in fig. 2, the stock tray 2 is positioned above the bottom plate 11. The fixed end of the lifting mechanism 4 is fixedly connected with the bottom plate 11, the movable end of the lifting mechanism 4 is fixedly connected with the material storage tray 2, and the lifting mechanism 4 acts to drive the material storage tray 2 to lift. The structure of the lifting mechanism 4 can refer to the prior art, and is not described in detail herein.

Alternatively, as shown in figure 2, the stock pallet is located between two side plates 13. The upper end of the side plate 13 is higher than the upper end of the vertical plate 12, and the two ends of the single stripping mechanism 3 are fixed through the side plate 13.

The single stripping mechanism 3 comprises an adsorption belt driving roller 31, an adsorption belt driven roller 37 and an adsorption vacuum pipe 35 which are all parallel to the material storage tray 2. As shown in fig. 3, the suction belt driving roller 31 has a suction belt driving wheel on the outer periphery thereof, the suction belt driven roller 37 has a suction belt driven wheel on the outer periphery thereof, and the feed suction belt 34 is wound around the suction belt driving wheel and the suction belt driven wheel and is pressed against the suction belt driving wheel outer periphery. The feed sorbent strip 34 may rotate with the sorbent strip drive wheel. The adsorption vacuum pipe 35 is positioned inside the feeding adsorption belt 34 and connected with a negative pressure device. One side of the adsorption vacuum pipe 35 facing the sheet material pile 6 is provided with an adsorption hole, and the sheet material is attached to the feeding adsorption belt 34 after being adsorbed by the negative pressure of the adsorption vacuum pipe 35 and moves towards the discharge hole under the driving of the feeding adsorption belt 34.

Optionally, the periphery of the suction belt driving roller 31 is provided with a plurality of suction belt driving wheels, and the suction belt driving wheels are distributed along the length direction of the suction belt driving roller 31. A plurality of adsorption belt driven wheels are arranged on the periphery of the adsorption belt driven roller 37, and the adsorption belt driven wheels correspond to the adsorption belt driving wheels one by one. And a feeding adsorption belt 34 is arranged on the periphery of each group of adsorption belt driving wheel and each group of adsorption belt driven wheel. The plurality of feed adsorption belts 34 move the sheet material, and the inclination of the sheet material can be reduced.

Optionally, as shown in fig. 4, the cross section of the vacuum adsorbing tube 35 is substantially rectangular, and a discharge lifting angle is formed on one side of the lower side surface of the vacuum adsorbing tube 35, which is close to the discharge hole. The size of the discharging lifting angle can be equal to that of the preset elevation angle, so that the adsorbed sheet materials can be conveyed to the discharging opening of the feeding device along the preset lifting angle. The excessive sheet materials cannot enter the discharge hole due to the small turning angle, so that the possibility of excessive feeding is reduced.

Optionally, the height of the lower side surface of the adsorption vacuum tube 35 gradually increases along with the gradual reduction of the distance from the discharge hole, so as to form a discharge lifting angle. The lower side surface of the adsorption vacuum tube 35 is attached to the feeding adsorption belt 34, so that the feeding adsorption belt 34 also forms a discharging lifting angle. The discharge port of the feeding device is higher than the lower side surface of the adsorption vacuum tube 35, and the discharge lifting angle can convey the adsorbed sheet materials to the discharge port.

Optionally, a blocking piece 38 is arranged below the single stripping mechanism 3, and two ends of the blocking piece 38 can be fixed through the side plates 13. The upper end of the baffle plate 38 is higher than the upper layer of the sheet stack, and the sheet adsorbed by the sheet peeling mechanism 3 can pass over the baffle plate 38. When the turning angle of the sheet stock is smaller than the lifting angle of the discharged material, the sheet stock is blocked by the blocking piece 38, so that the possibility of excessive feeding is further reduced.

Optionally, as shown in fig. 2 and 3, a feeding driving roller 33 is further disposed between the two side plates 13, the feeding driving roller 33 is located on one side of the upper end of the vertical plate 12 away from the stock tray 2, that is, the feeding driving roller 33 is located below the discharge hole. An installation beam is arranged between the upper ends of the two side plates 13, a feeding pinch roller 36 is arranged on the lower side of the installation beam, and the feeding pinch roller 36 is positioned above the discharge hole. The feeding pinch roller 36 corresponds to the feeding drive roller 33, and the feeding pinch roller and the feeding drive roller are matched to press the sheet material sent out from the discharge port and further convey the sheet material forwards.

As shown in fig. 3, a driving motor 32 is arranged on one side of the vertical plate 12 away from the material storage tray 2, a feeding belt wheel and an adsorption belt wheel are respectively arranged on the feeding driving roller 33 and the adsorption belt driving roller 31, and the feeding driving belt presses the outer sides of the feeding belt wheel and the adsorption belt wheel, so as to drive the feeding driving roller 33 and the adsorption belt driving roller 31 to rotate, thereby realizing the transportation of the sheet material. Of course, other structures can be adopted by the user to drive the feeding driving roller 33 and the suction belt driving roller 31 to be in transmission connection with the driving motor 32.

In the first embodiment of the present application, as shown in fig. 1, the blowing mechanism is a tuyere 7, and the tuyere 7 is connected to an air source to blow air to the stack of sheets. The number of the air nozzles 7 can be two, and the two air nozzles 7 are respectively arranged on the two side plates. The two air nozzles 7 simultaneously supply air to the sheet stock pile, and can blow the sheet stocks from two sides, thereby ensuring that the two sides of the sheet stocks are symmetrical when the sheet stocks are turned up and reducing the inclination of the sheet stocks.

In the second embodiment of the present application, as shown in fig. 2, the blowing mechanism is a fan 5, and the material storage tray 2 is located on one side of the vertical plate 12. The vertical plate 12 is provided with an air blowing opening which is positioned above the material storage tray 2 and corresponds to the material storage position, the fan 5 is arranged at one side of the air blowing opening far away from the material storage tray 2, and the air outlet of the fan 5 is blown to the sheet stock pile 6 through the air blowing opening. The single stripping mechanism 3 is positioned above the vertical plate 12, a discharge port is formed between the single stripping mechanism 3 and the vertical plate 12, and the sheet material adsorbed by the single stripping mechanism 3 is sent out from the discharge port.

Optionally, the air blowing port is provided with a filter screen 14, and the air outlet of the air blowing mechanism is blown to the air blowing mechanism after being filtered by the filter screen 14, so that the influence of impurities on the sheet stock pile 6 can be reduced.

Optionally, the fan 5 is connected with a vertical plate 12 through a mounting seat, and the mounting seat is arranged on one side of the vertical plate 12 far away from the stock tray 2. As shown in fig. 2, the air outlet is rectangular, and the longitudinal direction of the air outlet is parallel to the stock tray 2. When the sheet stock with any size is placed on the stock tray 2, the air blowing port can be matched with the sheet stock. The mounting seat is arranged along the direction vertical to the material storage tray 2, the cross section of the mounting seat is L-shaped, one side of the mounting seat is fixedly connected with the vertical plate 12, and the other side of the mounting seat is fixedly connected with the fan 5, so that the fan 5 has a preset elevation angle. Of course, the user may also use other shapes of the air outlet and the mounting seat as required, and is not limited herein.

In this embodiment, the feeding mechanism is provided with a blowing mechanism capable of blowing the upper layer of the sheet stack 6 to be turned up, and the single-sheet peeling mechanism 3 cooperates with the blowing mechanism to adsorb the uppermost sheet after the upper layer sheet is turned up. The blowing mechanism blows to enable the turning angle of the sheet material on the uppermost layer to be the largest, so that the possibility that the single stripping mechanism 3 adsorbs redundant sheet materials is reduced, the cutting precision is further ensured, and the enterprise benefit is improved. In addition, a discharging lifting angle is formed on one side of the lower side surface of the adsorption vacuum pipe 35 close to the discharging port, and a blocking piece 38 is further arranged below the adsorption vacuum pipe 35. The discharging lifting angle can ensure that the adsorbed sheet material is always turned upwards by a larger angle, and the sheet material which is not adsorbed is turned upwards by a smaller angle. When the sheet materials are conveyed, the sheet materials with larger turning angles pass through the upper part of the baffle plate 38, and the sheet materials with smaller turning angles are blocked by the baffle plate 38. Thus further reducing the possibility of over-loading.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The above description describes the feeding mechanism provided by the present invention in detail. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, it is possible to make various improvements and modifications to the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A loading device, comprising:

a mounting frame (1);

the material storage tray (2) is provided with a material storage position for storing a sheet material pile (6);

the single stripping mechanism (3) is positioned above the material storage tray (2) and used for adsorbing single sheet materials, and the mounting rack (1) is provided with a lifting mechanism (4) used for driving the material storage tray (2) to move towards the direction of the single stripping mechanism (3);

the blowing mechanism is positioned on one side of the material storage tray (2) and used for blowing the upper layer of the sheet material pile (6), and a preset elevation angle is formed between the air outlet direction of the blowing mechanism and the horizontal plane.

2. The feeding device according to claim 1, wherein the single stripping mechanism (3) comprises an adsorption belt driving roller (31) and an adsorption belt driven roller (37) which are parallel to the stock tray (2), the peripheries of the adsorption belt driving roller (31) and the adsorption belt driven roller (37) are respectively provided with an adsorption belt driving wheel and an adsorption belt driven wheel, the feeding adsorption belt (34) is installed and rotates around the adsorption belt driving wheel and the adsorption belt driven wheel, and the single stripping mechanism (3) further comprises an adsorption vacuum pipe (35) for adsorbing the sheet materials under negative pressure.

3. The feeding device according to claim 2, characterized in that the lower side surface of the adsorption vacuum tube (35) is engaged with the feeding adsorption belt (34), the sheet material outlet is higher than the lower side surface of the adsorption vacuum tube (35), and the side part of the lower side surface of the adsorption vacuum tube (35) close to the outlet is gradually increased in height in the direction close to the outlet to form an outlet lifting angle.

4. A feeding device according to claim 3, characterized in that a baffle (38) is arranged below the single-sheet stripping mechanism (3) for limiting the side of the sheet stack close to the discharge port.

5. The feeding device according to claim 3, characterized in that a feeding driving roller (33) is arranged at one side of the upper end of the mounting frame (1) far away from the stock tray (2), and a feeding pressing wheel (36) is arranged above the feeding driving roller (33).

6. A loading device according to claim 5, wherein a driving motor (32) is arranged on the side of the mounting frame (1) far away from the stock tray (2), and the feeding driving roller (33) and the adsorption belt driving roller (31) are in transmission connection with the driving motor (32) through a feeding driving belt.

7. A loading device according to any one of claims 1 to 6, characterized in that the mounting frame (1) comprises two side plates (13), the stock tray (2) is located between the two side plates (13), the blowing mechanism is a tuyere connected to an air source, and the tuyere is provided on both side plates (13).

8. A loading device according to any one of claims 1 to 6, characterized in that the mounting frame (1) comprises a vertical plate (12), the stock tray (2) is located on one side of the vertical plate (12), the vertical plate (12) is provided with an air blowing opening located above the stock tray (2), the air blowing mechanism is mounted on one side of the vertical plate (12) far away from the stock tray (2), an air outlet of the air blowing mechanism corresponds to the position of the air blowing opening, and the single-piece peeling mechanism (3) is located above the vertical plate (12).

9. A loading device according to claim 8, characterised in that the blowing means is a fan (5), and that the riser (12) is provided with a mounting on the side remote from the storage tray (2), by means of which mounting the fan (5) is connected to the riser (12).

10. The loading device according to claim 9, wherein the mounting frame (1) further comprises a bottom plate (11), the bottom plate (11) is fixedly connected with the lower end of the vertical plate (12), the fixed end of the lifting mechanism (4) is fixedly connected with the bottom plate (11), and the movable end of the lifting mechanism (4) is fixedly connected with the stock tray (2).