CN205294354U - Paper feeding mechanism is with flying nearly head - Google Patents

Abstract

The utility model discloses a feeder head for a paper feeding mechanism, which comprises a paper feeding motor. The output shaft of the paper feeding motor is connected with a transmission component via a driving shaft to drive the transmission component to run. The transmission component includes a driving roller, a driven roller, a sleeve The perforated belt is set on the driving roller and the driven roller. The driving roller is installed on the driving shaft, and the perforated belt part set on the two driven rollers constitutes the transmission plane. The upper part of the transmission plane is closely attached to the suction part. , the suction part absorbs the front edge of the top printed matter on the perforated belt with a set distance from the transmission plane, and starts to transmit it. The back of the suction part and below the transmission plane are provided with blower and loose upper part of each printed matter. Slits and blower parts that help separate paper. The utility model can truly realize the purpose of uninterrupted absorption and transmission of single sheets, and can effectively avoid repeated sheets, especially the phenomenon of double sheets adsorption.

Description

Feeder head for paper feeding mechanism

technical field

The utility model relates to a feeder head used for a paper feeding mechanism in a product inspection machine, which belongs to the technical field of paper feeding for inspection products.

Background technique

The Chinese invention patent application "Paper Feeding Mechanism for Inspection Machine and Paper Feeding Method" with application number 201410076792.0 discloses a suction paper feeding mechanism and a blowing paper separating mechanism. The suction paper feeding mechanism includes a suction transmission mechanism, which includes a motor and a plurality of transmission wheels. The motor and transmission wheels are connected by a suction conveyor belt. The bottom plane of the suction conveyor belt is parallel to the upper surface of the printed matter. An air aspirator is arranged close to the top of the bottom plane of the wind conveyor belt. The air blowing paper separating mechanism includes blowing air to the output end of the suction paper feeding mechanism to separate the single printed matter from the blowing pipe of the suction paper feeding mechanism. The gap between the pinch wheel and the thickness of one sheet of printed matter and the gap between the brush and the pinch wheel are set correspondingly to the output end of the suction paper feeding mechanism.

From actual implementation, it can be found that although the above-mentioned air suction paper feeding mechanism and blowing paper separating mechanism can realize the purpose of absorbing and feeding paper for a single printed matter, there are the following major defects: the structure of the blowing paper separating mechanism is complicated, and the air suction paper feeding mechanism The air blowing paper separation effect is not good, and it often occurs that multiple printed materials are overlapped (mainly two overlapping) and sent to the blowing paper separation mechanism together, resulting in frequent failures of the air blowing paper separation mechanism, and it is impossible to truly print the printed matter by a single sheet. The paper is fed continuously by adsorption, which seriously affects the paper feeding efficiency.

Utility model content

The purpose of this utility model is to provide a feeder head for the paper feeding mechanism in the product inspection machine, so as to truly achieve the purpose of single-sheet uninterrupted adsorption and transmission of printed matter, and avoid double sheets, especially the occurrence of double-sheet adsorption.

In order to achieve the above object, the utility model adopts the following technical solutions:

A feeder head for a paper feeding mechanism is characterized in that it includes a paper feeding motor, the output shaft of the paper feeding motor is connected with a transmission member via a driving shaft to drive the transmission member to run, wherein the transmission member includes a driving roller and a driven roller 1. The perforated belt set on the driving roller and the driven roller. The driving roller is installed on the driving shaft. The perforated belt part set on the two driven rollers constitutes the transmission plane. The wind part, the suction part will absorb the front edge of the topmost printed matter of the printed matter stack with a set distance from the transmission plane on the perforated belt to start transmission, and the back of the suction part is located below the transmission plane. Before the printed matter is adsorbed, blow air to several printed matters on the upper part of the printed matter stack to loosen the gaps between each printed matter and when the suction part absorbs the uppermost printed matter of the printed matter stack, it helps to separate the adsorbed printed matter from the printed matter below it.

The blowing part is provided with air blowing holes for blowing air at different angles.

In actual implementation, the stack of printed matter to be transported by adsorption is sent by the lifting mechanism to a position where the uppermost printed matter is 10 mm to 20 mm away from the transport plane in a stacked manner with the printing side facing up.

Preferably, the transmission member and the suction component can move together in a direction perpendicular to the paper feeding direction; the suction component can also move along the paper feeding direction.

In actual implementation, the feeder head may include two or more sets of transmission members, all of which are driven by the same paper feeding motor, and each of the transmission members is provided with one suction The wind component and one said blowing component are used to absorb corresponding parts of the front edge of the printed matter with a larger format and a more complex shape to achieve smooth transmission.

The utility model has the advantages of:

The utility model can achieve the purpose of absorbing and conveying the printed matter to the follow-up mechanism one by one from the top of the printed matter stack with the printing side facing up. Double sheets, especially the occurrence of double-sheet adsorption, truly achieve uninterrupted single-sheet feeding. In addition, the suction paper feeding method of the utility model can effectively reduce or eliminate the scratches on the printing surface of the printed matter before detection, greatly improve the detection accuracy, and is applicable to printed matters of various formats and shapes, and has strong practicability .

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of the structure of the feeder head of the utility model.

Fig. 2 is a schematic side view of the feeder head of the utility model (the frame and the paper feeding motor are not shown).

Fig. 3 is an explanatory diagram of an application example of the feeder head of the utility model.

detailed description

The feeder head of the utility model is used for the paper feeding mechanism in the product inspection machine. In the field, the product inspection machine (also known as the small-sheet printed product inspection machine) mainly includes a paper feeding mechanism, a deviation correction mechanism, and a surface quality detection mechanism. The composition of the product inspection machine is a well-known technology for those skilled in the art, and its composition is not limited to the above.

As shown in Figures 1 and 2, the feeder head for the paper feeding mechanism of the present invention includes a paper feeding motor 10 mounted on a frame 50, the output shaft of the paper feeding motor 10 transmits power to the driving shaft 11, and the driving shaft 11 As a transmission shaft, it is connected with the transmission member 20 to drive the transmission member 20 to run, wherein: the transmission member 20 includes a driving roller 21, a driven roller 22, a perforated belt 24 sleeved on the driving roller 21 and the driven roller 22, punching The belt 24 is a transmission belt with several holes evenly distributed, the driving roller 21 is installed on the driving shaft 11, driven by the paper feeding motor 10, and is set on the perforated belt on the two driven rollers 22 with a set transmission distance. Part of the transmission plane (horizontal surface) is formed. The transmission plane should be parallel to the upper surface of the printed matter below it. The top of the transmission plane is close to the air suction part 30, and the suction part 30 will stack the printed matter 70 at a set distance from the transmission plane. The front edge portion (also referred to as the leading edge) of the uppermost printed matter 71 is adsorbed on the lower surface of the perforated belt 24 to start transmission, that is, to realize the transmission of the uppermost printed matter 71 of the printed matter stack 70, in the paper feeding direction , the back of the air suction part 30, located below the transmission plane, is provided with before the air suction part 30 does not adsorb the printed matter 71, blows some printed matter 71 on the top of the printed matter stack 70 to loosen the gap between the printed matter 71 (the gas blown by the blower part 40 enters In the gap between several printed matter 71 on the upper part of the printed matter stack 70, these printed matter 71 can no longer be tightly adhered to each other, so that the suction part 30 can absorb the uppermost printed matter 71 of the printed matter stack 70) and when the suction The wind component 30 absorbs the uppermost printed matter 71 of the printed matter stack 70 and helps to separate the adsorbed printed matter 71 from the printed matter 71 below, so as to effectively control the blowing part 40 that occurs when the overlapping transmission of double-sheet printed matter occurs, that is, the blowing part 40 Air is blown towards the front side of several printed products 71 on the upper part of the printed product stack 70 conveyed along the paper feeding direction.

In actual design, depending on the size and shape of the printed matter, the air suction component 30 is correspondingly arranged above the front, middle or rear of the transmission plane.

In actual design, the air blowing part 40 is provided with air blowing holes blowing at different angles, so that it can realize blowing the printed matter 71 to the lower surface of the punched belt 24, and blow the uppermost printed matter 71 of the printed matter stack 70 and the printed matter below it. 71 separation, the function of effectively controlling the double sheet phenomenon.

As shown in the figure, in actual design, the transmission member 20 may also include a tension roller 23 for tensioning the perforated belt 24 to ensure that the linear speed of the driving roller 21 and the perforated belt 24 are synchronized.

In actual implementation, the air suction component 30 is connected with a vacuum pump (not shown in the figure) to form a negative pressure inside, cooperate with the perforated belt 24 to adsorb the printed matter 71 on the lower surface of the perforated belt 24, and realize adsorption transmission. The blowing part 40 is connected with an air supply device (not shown in the figure), and the air supply device is used to provide compressed air for the blowing part 40 .

Preferably, in actual implementation, the stack of printed matter 70 to be transported by adsorption is sent by the lifting mechanism 60 to a position where the uppermost printed matter 71 is 10 mm to 20 mm away from the transport plane in a stacked manner with the printing side facing up.

It should be noted that, for the feeder head of the present invention (such as the transmission plane composed of the transmission member 20 and the perforated belt 24), the position or position that the printed matter 71 transported along the paper feeding direction arrives first is the position that arrives before and after. In other words, the position is at the back, and the positional relationship between the parts of the feeder head of the present invention is also defined as the front where the printed matter 71 that is transported along the paper feed direction arrives earlier, and the position that arrives later is defined later. And for the printed matter stack 70 and the printed matter 71 themselves conveyed along the paper feeding direction, the position that arrives at the feeder head of the present utility model earlier is the front, and the position that arrives at the feeder head of the present utility model is the rear, and relative to the paper feeding The parts on both sides of the direction are left and right.

In actual implementation, in order to adapt to various types of printed matter, the transmission member 20 and the suction member 30 can move together in a direction perpendicular to the paper feeding direction, so as to adjust the suction position of the printed matter 71 left and right. In addition, the air suction component 30 can also move along the paper feeding direction, so as to adjust the suction position forward and backward according to needs, for example, sliding can be realized by installing the slide rail 31 , but of course it is not limited thereto.

For printed matter with larger format and more complicated shape, the feeder head of the utility model can include two or more sets of transmission components 20, all transmission components 20 are driven by the same paper feeding motor 10, and of course each transmission component 20 also A paper feeding motor 10 can be provided to drive the operation, and each transmission member 20 is provided with a suction part 30 and a blower part 40, so as to adjust the left and right positions of the transmission member 20 and the suction part 30 and the front and rear positions of the suction part 30 , to absorb corresponding parts of the front edge of the printed matter 71 with a larger format and a more complicated shape to achieve smooth transmission. It should be noted that, for the situation where two sets of transmission members 20 are provided, the corresponding positions on the front edge of the printed matter 71 refer to two positions. In other words, the number of positions is consistent with the number of transmission members 20 provided. of.

As shown in Figure 3, a printed matter 71 with a large format and a relatively complicated shape is shown in the figure. In actual implementation, two sets of transmission components 20 are designed for this type of printed matter, and each transmission component 20 is provided with a suction part 30 And a blower part 40, and a position on the left (referring to the left suction position shown in the figure) and a position to the right (referring to the right suction position shown in the figure) on the front edge portion of this type of printed matter 71 Adsorption is carried out first, so as to achieve stable transmission and facilitate the effect of paper separation.

In the present utility model, the paper feeding motor 10, the transmission member 20, the suction part 30, the blowing part 40, and the lifting mechanism 60 are all well-known technologies in the art, so their specific components will not be described in detail.

The paper feeding process of the present utility model comprises steps:

The stack of printed matter 70 stacked up and down with the printing side up is lifted by the lifting mechanism 60 and sent to the bottom of the transmission plane, keeping the distance between the uppermost printed matter 71 of the stack of printed matter 70 and the transmission plane at a distance of 10 mm to 20 mm;

Air blowing part 40 blows several printed matter 71 on printed matter stack 70 tops to loosen the gap between each printed matter 71 (the gas blown into by blowing means 40 enters in the gap between several printed matter 71 on printed matter stack 70 top, these printed matter 71 can be made No longer tightly adhere to each other, on the basis that the air suction part 30 absorbs the uppermost printed matter 71 of the printed matter stack 70), the front edge (front edge) of the printed matter 71 on the printed matter stack 70 by the air suction part 30 At the same time, the air blowing part 40 blows air to separate the printed matter 71 on the top of the printed matter stack 70 adsorbed by the air sucking part 30 from the printed matter 71 below it, effectively controlling the occurrence of overlapping transmission of double-sheet printed matter, thereby realizing The air suction component 30 absorbs the uppermost printed matter 71 of the printed matter stack 70 on the lower surface of the perforated belt 24 for the purpose of sheet-by-sheet transmission and delivery.

After the first printed matter 71 is sucked and transported out with the perforated belt 24, the second printed matter 71 below it becomes the top printed matter and is subsequently sucked and transported, thereby transporting one by one to achieve Suction feeds paper continuously without interruption in the form of single sheets.

It should be mentioned that in the process of conveying a single printed matter 71, the air suction member 30 first absorbs the front edge of the printed matter 71 to start the conveyance, and in the subsequent conveyance, the air suction member 30 successively absorbs the middle part and the rear edge of the printed matter 71 part, to realize the whole transmission process, and when the middle part or rear edge portion of the printed matter 71 is absorbed and transported, the front edge portion of the printed matter 71 can start to be received by the relevant splicing equipment located at the back of the utility model.

It should be mentioned that the elevating mechanism 60 needs to be lifted in good time, so that the distance between the uppermost printed matter 71 of the printed matter stack 70 and the conveying plane is always kept between 10 mm and 20 mm, which is suitable for adsorption and paper separation. successfully realized.

The utility model has the advantages of:

The utility model can achieve the purpose of absorbing and conveying the printed matter to the follow-up mechanism one by one from the top of the printed matter stack with the printing side facing up. Double sheets, especially the occurrence of double-sheet adsorption, truly achieve uninterrupted single-sheet feeding. In addition, the suction paper feeding method of the utility model can effectively reduce or eliminate the scratches on the printing surface of the printed matter before detection, greatly improve the detection accuracy, and is applicable to printed matters of various formats and shapes, and has strong practicability .

The above are the preferred embodiments of the utility model and the technical principles used therefor. For those skilled in the art, without departing from the spirit and scope of the utility model, any technical solution based on the utility model Obvious changes such as equivalent transformations and simple replacements above all fall within the protection scope of the present utility model.

Claims (5)

1. A feeder head for a paper feeding mechanism, characterized in that it includes a paper feeding motor, the output shaft of the paper feeding motor is connected with a transmission member via a driving shaft to drive the transmission member to run, wherein: the transmission member includes a driving roller, from The driving roller, the perforated belt set on the driving roller and the driven roller, the driving roller is installed on the driving shaft, and the perforated belt part set on the two driven rollers constitutes the transmission plane, and the upper part of the transmission plane is close to the device. There is a suction part, and the suction part will absorb the front edge of the topmost printed matter of the printed matter stack with a set distance from the transmission plane to the perforated belt to start transmission. Before the printed matter is adsorbed by the wind part, blow air on several printed matters on the upper part of the printed matter stack to loosen the gaps between each printed matter, and when the suction part absorbs the uppermost printed matter of the printed matter stack, it helps to separate the adsorbed printed matter from the printed matter below it. part. 2. The feeder head according to claim 1, characterized in that: The blowing part is provided with air blowing holes for blowing air at different angles. 3. The feeder head according to claim 1, characterized in that: The stack of printed matter to be transported by adsorption is sent by the lifting mechanism to a position where the uppermost printed matter is 10mm to 20mm away from the conveying plane in a stacked manner with the printing side facing up. 4. The feeder head according to claim 1, characterized in that: The transmission member and the suction component move together in a direction perpendicular to the paper feeding direction; The suction part moves along the paper feeding direction. 5. The feeder head according to any one of claims 1 to 4, characterized in that: The feeder head includes two or more sets of transmission members, all of which are driven by the same paper feeding motor, and each of the transmission members is provided with one of the suction parts and one of the The blowing part is used to absorb the corresponding parts of the front edge of the printed matter to achieve smooth transmission.