CN208008109U - Feeder presser foot mechanism - Google Patents

Abstract

The utility model discloses a fly to reach presser foot mechanism, it includes: frame, presser foot and install in the frame and be used for driving the presser foot and accomplish the drive arrangement who presses paper and pack up the action, this drive arrangement includes: the pressure foot is arranged in the middle of the connecting rod structure, the air cylinder assembly comprises an air cylinder arranged on the frame, a gap floating connecting rod arranged at the end part of an ejector rod of the air cylinder and a driving rod connected to the other end of the gap floating connecting rod, and the driving rod is pivoted with the upper end of the connecting rod structure. The utility model discloses a cylinder assembly, connecting rod structure and elastic adjustment extension spring cooperation drive presser foot realize pressing the paper or lift up the action, and its relative servo motor and cam mechanism, its structure is simpler, and the cost is lower, and the processing degree of difficulty is littleer, and installs more conveniently, the order the utility model discloses extremely strong market competition has.

Description

Feeder presser foot mechanism

Technical field:

The utility model relates to the technical field of feeder products, in particular to a feeder presser foot mechanism.

Background technique:

The continuous paper feeding mechanism in the printing press is also called the paper feeding feeder. Its function is to periodically separate the paper from the paper pile one by one and deliver it to the paper feeding roller. Feida requires accuracy and error-free operation in the process of work, neither double or multiple sheets, nor empty sheets. The action process of the feeder to separate the paper is mainly: the presser foot is lifted, the paper separation nozzle moves downward, moves upward after sucking the paper, the presser foot falls to press the rest of the paper below, and starts to blow air, and the paper delivery nozzle moves backward After moving to the predetermined position, it will suck the paper together with the paper separation nozzle, then the paper separation nozzle will release the paper, and the paper delivery nozzle will suck the paper alone and move forward, and deliver the paper to the paper feed roller.

The function of the feeder presser foot is: when the top sheet of the paper stack is sucked up by the paper separation nozzle, the presser foot immediately presses down on the paper stack to achieve the purpose of paper separation and prevent the paper transfer mechanism from Paper away.

In the prior art, the paper pressing and lifting actions of the presser foot are realized by the servo motor driving the cam mechanism, but the servo motor and the cam mechanism are costly, difficult to process, and inconvenient to install.

In view of this, the inventor proposes the following technical solutions.

Utility model content:

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a feeder presser foot mechanism.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: the feeder presser foot mechanism includes: a frame, a presser foot, and a device installed on the frame and used to drive the presser foot to complete the paper pressing and retracting actions. The driving device is characterized in that the driving device includes: a connecting rod structure installed on the frame, a cylinder assembly mounted on the frame and connected to the upper end of the connecting rod structure, and a cylinder assembly installed between the lower end of the connecting rod structure and the frame The elastic adjustment tension spring between them, the presser foot is installed in the middle of the connecting rod structure, the cylinder assembly includes the cylinder installed on the frame, the gap floating connecting rod installed on the end of the cylinder’s ejector rod and the gap floating connecting rod connected to the gap A driving rod at the other end of the connecting rod, the driving rod is pivotally connected to the upper end of the connecting rod structure.

Furthermore, in the above technical solution, the connecting rod structure includes a first swing link pivotally connected to the end of the drive rod, a swing seat fixed to the lower end of the first swing link, and a swing seat whose upper end is pivotally connected to the middle part of the swing seat. The drive link, the pivot seat fixed at the lower end of the frame, the middle part and the adjustment link of the support of the pivot seat, the upper end of the adjustment link is pivotally connected with the lower end of the drive link, and the lower end of the adjustment link is connected to the elastic The extension spring is adjusted, and the presser foot is fixedly connected with the middle part of the driving link through a fixed rod.

Furthermore, in the above technical solution, a pointed mouth is formed at one end of the presser foot.

Furthermore, in the above technical solution, a paper suction mechanism is installed in front of the frame.

Further, in the above technical solution, the paper suction mechanism includes a guide rail mounted on the front end of the frame, a slider sleeved on the lower end of the guide rail, an elevating cylinder installed on the lower end of the slider, an elevating cylinder installed on the elevating The lower end of the cylinder is driven by the lifting cylinder to lift the lifting plate, the suction nozzle installed at the lower end of the lifting plate and the relative position can be adjusted, and the horizontal cylinder installed in the frame and used to drive the slider to slide on the guide rail.

After adopting the above technical scheme, the utility model has the following beneficial effects compared with the prior art: the utility model adopts the cylinder assembly, the connecting rod structure and the elastic adjustment tension spring to cooperate with the driving presser foot to realize the paper pressing or lifting action, and its relative servo As far as the motor and the cam mechanism are concerned, the structure is simpler, the cost is lower, the processing difficulty is less, and the installation is more convenient, so that the utility model has extremely strong market competitiveness.

Description of drawings:

Fig. 1 is a perspective view of the utility model;

Fig. 2 is a schematic diagram of the internal structure of the utility model.

Detailed ways:

Below in conjunction with specific embodiment and accompanying drawing, the utility model is further described.

As shown in Figures 1 and 2, it is a feeder presser foot mechanism, which includes: a frame 1, a presser foot 2, and a device that is installed on the frame 1 and used to drive the presser foot 2 to complete the paper pressing and retracting actions. drive unit 3.

The drive device 3 includes: a connecting rod structure 31 installed on the frame 1, a cylinder assembly 32 installed on the frame 1 and connected to the upper end of the connecting rod structure 31, and a cylinder assembly 32 installed on the lower end of the connecting rod structure 31 and the frame 1 The elastic adjustment tension spring 33 between them, the presser foot 2 is installed in the middle of the connecting rod structure 31, the cylinder assembly 32 includes the cylinder 321 installed on the frame 1, and the gap between the end of the push rod installed on the cylinder 321 The floating connecting rod 322 and the driving rod 323 connected to the other end of the gap floating connecting rod 322 , the driving rod 323 is pivotally connected to the upper end of the connecting rod structure 31 . When the feeder presser foot mechanism of the utility model is working, when the uppermost piece of paper in the paper pile 100 is sucked up, the air cylinder 321 drives the gap floating connecting rod 322 and the driving rod 323 to move backward, so as to force the connecting rod structure 31 to move backward. Moving down, the connecting rod structure 31 moves down and drives the presser foot 2 to move down to press on the topmost piece of paper in the paper pile. The elastic adjustment force of the tension spring 33 makes the presser foot 2 press the paper with A certain degree of resilience, so as not to crush the paper due to too much pressure. The utility model uses the cylinder assembly 32, the connecting rod structure 31 and the elastic adjustment tension spring 33 to cooperate with the driving presser foot to realize the pressing or lifting action. Compared with the servo motor and the cam mechanism, its structure is simpler, the cost is lower, and the processing The difficulty is smaller, and the installation is more convenient, so that the utility model has extremely strong market competitiveness.

The connecting rod structure 31 includes a first swing rod 311 pivotally connected to the end of the drive rod 323, a swing seat 312 fixed to the lower end of the first swing rod 311, and a drive link pivotally connected to the middle of the swing seat 312 at the upper end. 313. The pivotal seat 314 fixed at the lower end of the frame 1, the middle part and the adjustment link 315 supported by the pivotal seat 314, the joint of the first swing rod 311 and the swing seat 312 is installed on the frame through a shaft 1, the upper end of the adjustment link 315 is pivotally connected to the lower end of the drive link 313, the lower end of the adjustment link 315 is connected to the elastic adjustment tension spring 33, the presser foot 2 is connected to the drive link 313 through a fixed rod 316 Fixed connection in the middle. When the link structure 31 works, the upper end of the first swing rod 311 moves backward to force the end of the swing seat 312 to move downward. When the end of the swing seat 312 moves downward, the drive link 313 is driven to move downward. 313 drives presser foot 2 to move forward and downward when moving downwards, and this presser foot 2 carries out paper pressing action, and this adjustment connecting rod 315 front ends move downwards, and this adjustment connecting rod 315 front ends move upwards.

One end of the presser foot 2 is formed with a beak 21, so that it can be inserted between two papers with a gap, so as to better press the paper.

A paper suction mechanism 4 is installed in front of the frame 1 . Specifically, the paper suction mechanism 4 includes a guide rail 41 installed on the front end of the frame 1, a sliding sleeve 42 sleeved on the lower end of the guide rail 41, a lifting cylinder 46 installed on the lower end of the sliding sleeve 42, and a The lower end of the lifting cylinder 46 is driven by the lifting cylinder 46 to lift the lifting plate 43 and the suction nozzle 44 that is installed on the lower end of the lifting plate 43 and can adjust the relative position and is installed in the frame 1 and is used to drive the sliding sleeve 42 in the The horizontal air cylinder 45 that slides on the guide rail 41.

To sum up, when the feeder presser foot mechanism of the utility model works, when the uppermost piece of paper in the paper pile is sucked up, the air cylinder 321 drives the gap floating connecting rod 322 and the driving rod 323 to move backward to force the connecting rod 322 to move backward. The rod structure 31 moves downwards, and the connecting rod structure 31 drives the presser foot 2 to move downwards to press on the uppermost piece of paper in the paper pile while the connecting rod structure 31 moves downwards. The elastic adjustment tension spring 33 makes the presser foot 2 press At the same time, the paper has a certain degree of resilience, so as not to crush the paper due to too much pressure. The utility model uses the cylinder assembly 32, the connecting rod structure 31 and the elastic adjustment tension spring 33 to cooperate with the driving presser foot to realize the pressing or lifting action. Compared with the servo motor and the cam mechanism, its structure is simpler, the cost is lower, and the processing The difficulty is smaller, and the installation is more convenient, so that the utility model has extremely strong market competitiveness.

Of course, the above descriptions are only specific embodiments of the utility model, and are not intended to limit the implementation scope of the utility model. Should be included in the utility model patent scope.

Claims (5)

1. flying up to presser foot device comprising：It rack (1), presser feet (2) and is installed in the rack (1) and for driving the pressure Foot (2) completes platen and packs up the driving device (3) of action, it is characterised in that：The driving device (3) includes：It is installed on Link mechanism (31) in rack (1), the cylinder assembly (32) for being installed in rack (1) and being connect with link mechanism (31) upper end And the elasticity adjustment tension spring (33) being installed between link mechanism (31) lower end and rack (1), the presser feet (2) are installed on connecting rod In the middle part of structure (31), which includes the cylinder (321) being installed in the rack (1), is installed on cylinder (321) Mandrel ends gap vacuum line (322) and be connected to the drive rod (323) of gap vacuum line (322) other end, The drive rod (323) is pivotally connected with the link mechanism (31) upper end.

2. according to claim 1 fly up to presser foot device, it is characterised in that：The link mechanism (31) includes and drives Bar (323) end pivot joint the first oscillating rod (311), with the fixed swing seat in the first oscillating rod (311) lower end (312), on End with the swing seat (312) in the middle part of be pivotally connected drive link (313), be fixed on the rack (1) lower end pin joint seat (314), The adjustment connecting rod (315) at middle part and pin joint seat (314) holder, adjustment connecting rod (315) upper end and drive link (313) lower end Pivot joint, adjustment connecting rod (315) lower end connection elasticity adjustment tension spring (33), the presser feet (2) pass through a fixed link (316) It is fixedly connected with the drive link (313) middle part.

3. according to claim 2 fly up to presser foot device, it is characterised in that：Described presser feet (2) one end forms sharp mouth (21)。

4. flying up to presser foot device according to claim 1-3 any one, it is characterised in that：Peace in front of the rack (1) Equipped with absorbing mechanism (4).

5. according to claim 4 fly up to presser foot device, it is characterised in that：The absorbing mechanism (4) includes to be installed on The guide rail (41) of rack (1) front end, is installed on sliding sleeve (42) lower end at the sliding sleeve (42) for being sheathed on guide rail (41) lower end Lifting cylinder (46), be installed on lifting cylinder (46) lower end and lifter plate to lift driven by the lifting cylinder (46) (43) it and is installed on the suction nozzle (44) of lifter plate (43) lower end and adjustable relative position and is installed in the rack (1) simultaneously Horizontal air cylinder (45) for driving sliding sleeve (42) to be slided on guide rail (41).