阅读说明：本技术 一种送纸机构 (Paper feeding mechanism ) 是由 项善 林鹏 曹良东 于 2019-11-30 设计创作，主要内容包括：本发明公开了一种送纸机构,包括有机架和主升降台,其特征在于所述主升降台的上方设置有承接部件,所述承接部件包括有上下升降的插件,所述插件纵向设置,所述插件与驱动其前后移动的驱动组件连接,所述插件为插板或插杆,所述插件设置有若干根,且横向一字排列,所述插件与堆垛用托板上的纵向插槽相匹配。本发明采用承接部件与主升降台交替使用,实现不停机送纸,大大提高工作效率,降低生产成本。(The invention discloses a paper feeding mechanism, which comprises a rack and a main lifting platform, and is characterized in that a bearing part is arranged above the main lifting platform, the bearing part comprises plug-in units which can lift up and down, the plug-in units are longitudinally arranged, the plug-in units are connected with a driving assembly which drives the plug-in units to move back and forth, the plug-in units are plug boards or plug rods, the plug-in units are provided with a plurality of plug-in units, the plug-in units are transversely arranged in a straight line, and the plug-in units are matched with longitudinal slots on a supporting plate for stacking. The invention adopts the bearing part and the main lifting platform to be used alternately, realizes paper feeding without stopping, greatly improves the working efficiency and reduces the production cost.)

1. The utility model provides a paper feeding mechanism, is including frame and main elevating platform, its characterized in that the top of main elevating platform is provided with the socket part, the socket part is including the plug-in components of oscilaltion, the plug-in components vertically sets up, the plug-in components are connected with the drive assembly who drives its back-and-forth movement, the plug-in components are picture peg or inserted bar, the plug-in components are provided with a plurality of roots, and horizontal word arrangement, the plug-in components and the stack are with vertical slot phase-match on the layer board.

2. The paper feeding mechanism of claim 1, wherein a pulley is mounted below the supporting plate, and a sliding groove matched with the pulley is formed on the main lifting platform; the rear of main elevating platform is provided with the slide rail to the matching with the pulley, the slide rail vertically sets up, the slide rail links up with the spout.

3. The paper feeding mechanism of claim 1, wherein the receiving member further includes a sub-lift on which the insert is moved back and forth.

4. The paper feeding mechanism of claim 1, wherein a front stop is provided in front of or at a front end of the main lift.

5. The paper feeding mechanism of claim 4, wherein the frame has an upper limit sensor and a lower limit sensor mounted thereon.

6. The paper feeding mechanism of claim 5, wherein the feeding end of the frame is provided with a height stop, the height stop being positioned lower than the upper limit sensor.

7. The paper feeding mechanism of claim 4, wherein the sub-lift table is connected to a sub-lift assembly for driving the sub-lift table to move up and down.

8. The paper feeding mechanism of claim 7, wherein the sub-lift assembly includes a driving chain and a motor for driving the driving chain, and the sub-lift is connected to the driving chain; the driving assembly comprises a screw, a nut matched with the screw and a guide piece, the screw is longitudinally arranged on the rack, the nut is arranged on the plug-in unit, and the plug-in unit moves back and forth along the guide piece.

9. The paper feeding mechanism of claim 4, wherein a position sensor is mounted on a bottom of the sub-lift, the main lift is connected to a main lift assembly for driving the main lift assembly to move up and down, and the position sensor and the main lift assembly are coupled to an electrical controller.

10. The paper feeding mechanism of any one of claims 1-9, wherein the receiving member further includes an auxiliary socket, an upper surface of the auxiliary socket being a slope.

Technical Field

The present invention relates to an improved paper feeding mechanism, which is suitable for the paper feeding mechanism of printing machine, packing machine and other equipment.

Background

The pre-stacked paper is stacked on the lifting platform, the paper feeding mechanism sends out the pre-stacked paper one by one, the lifting platform gradually rises along with the sending out of the paper, the lifting platform descends and resets after the paper is sent out, a worker puts another pre-stacked paper on the lifting platform, then the machine is restarted and the paper is fed, and the machine is not only low in efficiency but also high in energy consumption and high in cost.

Disclosure of Invention

In view of the technical problems in the background art, the technical problem to be solved by the invention is to provide a non-stop paper feeding mechanism, which improves the production efficiency and reduces the production cost.

In order to solve the technical problems, the invention adopts the following technical scheme: this kind of paper feeding mechanism, including frame and main elevating platform, its characterized in that the top of main elevating platform is provided with the socket part, the socket part is including the plug-in components of oscilaltion, the plug-in components vertically sets up, the plug-in components are connected with the drive assembly who drives its back-and-forth movement, the plug-in components are picture peg or inserted bar, the plug-in components are provided with a plurality of roots, and horizontal word arrangement, the plug-in components and the stack are with vertical slot phase-match on the layer board.

A pulley is arranged below the supporting plate, and a sliding groove matched with the pulley in the direction is formed in the main lifting platform; the rear of main elevating platform is provided with the slide rail to the matching with the pulley, the slide rail vertically sets up, the slide rail links up with the spout.

The bearing part also comprises an auxiliary lifting table, and the plug-in component moves back and forth on the auxiliary lifting table.

And a front baffle is arranged in front of the main lifting platform or at the front end of the main lifting platform.

An upper limit sensor and a lower limit sensor are mounted on the rack.

And a height limiter is arranged at the feed end of the rack, and the position of the height limiter is lower than that of the upper limit sensor.

The auxiliary lifting platform is connected with an auxiliary lifting component for driving the auxiliary lifting platform to lift.

The auxiliary lifting assembly comprises a transmission chain and a motor for driving the transmission chain to drive, and the auxiliary lifting table is connected with the transmission chain; the driving assembly comprises a screw, a nut matched with the screw and a guide piece, the screw is longitudinally arranged on the rack, the nut is arranged on the plug-in unit, and the plug-in unit moves back and forth along the guide piece.

And a position sensor is installed at the bottom of the auxiliary lifting platform, the main lifting platform is connected with a main lifting component for driving the main lifting platform to lift, and the position sensor and the main lifting component are connected with an electric controller.

The bearing component further comprises an auxiliary socket, and the upper surface of the auxiliary socket is an inclined surface.

According to the paper pile lifting device, the bearing part and the main lifting platform are alternately used, after a paper pile enters the main lifting platform and moves upwards to a preset height, the paper pile is replaced by the plug-in of the bearing part, and then the main lifting platform descends and resets; after the plug-in components rise to a certain height, the paper is ready to be sent, at the moment, the next paper stack is needed to be supplied, the next paper stack enters the main lifting table, the plug-in components retract, the paper on the plug-in components falls onto the next paper stack, the plug-in components move downwards to reset, the main lifting platform moves upwards again, and when the height is preset, the plug-in components stretch out again to replace the main lifting table, so that the operation is repeated, the non-stop paper feeding is realized, the working efficiency is greatly improved, and the production cost is reduced.

Drawings

Fig. 1 is a schematic view of the present invention without the stack entering the main lift table.

Fig. 2 is a schematic view of the stack of sheets entering the main elevating table of the present invention.

Fig. 3 is a schematic view of the two paper stacks of the present invention before they are combined.

Fig. 4 is a schematic view of the present invention with the insert extended.

Fig. 5 is a schematic view of the stepwise retraction of the insert of the present invention.

Detailed Description

The following describes details and operational principles of embodiments and examples of the present invention with reference to the drawings. The paper feeding mechanism comprises a rack and a main lifting platform 5, wherein the rack is divided into a waiting area 18, a stacking area 19 and a paper feeding area 20, the waiting area 18 is arranged behind the stacking area 19, the paper feeding area 20 is arranged in front of the stacking area 19, the main lifting platform 5 is arranged in the stacking area 19, an unused paper stack is waited in the waiting area 18, and referring to figure 1, the X axis is in the front-back direction and also in the longitudinal direction; the Y axis is in the left-right direction and also in the transverse direction; the Z axis is in the vertical direction and is vertical; a bearing part is arranged above the main lifting platform 5, the bearing part comprises plug-in components 11 which can lift up and down, the plug-in components 11 are longitudinally arranged, the plug-in components are connected with a driving assembly which drives the plug-in components to move back and forth, the plug-in components 11 are plug boards or plug rods, the plug-in components 11 are provided with a plurality of plug-in components which are transversely arranged in a straight line, and the plug-in components 11 are matched with longitudinal slots on the stacking supporting plate 3; the paper stack 4 enters the main lifting table 5, when the main lifting table 5 moves up to a preset height, the paper stack is replaced by the plug-in 11 of the bearing part, namely the plug-in extends backwards, the plug-in extends into the slot on the supporting plate 3, the paper stack is supported by the plug-in 11, then the main lifting table 5 descends and resets, the paper is conveyed forwards one by one, the paper is gradually reduced, and the plug-in 11 moves up gradually; when the insert 11 rises to a preset height, paper is ready to be fed, a next paper stack is needed to be supplied, the next paper stack enters the main lifting table 5 at the moment, when the main lifting table rises to a position below the insert 11, the insert gradually retracts, the paper stack above the insert 11 is gradually moved to the main lifting table 5 and combined with the paper stack on the main lifting table, due to the fact that the insert has thickness, if the insert 11 is rapidly withdrawn, the previous paper stack and the next paper stack on the main lifting table 5 have a fall, the flying head cannot normally suck the paper, the insert needs to be gradually withdrawn, the existing fall is gradually eliminated, and the fall is completely eliminated until the previous paper stack is completely placed on the next paper stack, so that the paper can be normally and stably fed. With the conveying of paper, the plug-in components 11 and the main lifting platform 4 synchronously move upwards until the plug-in components completely exit, the plug-in components are taken over by the main lifting platform 4, the plug-in components 11 descend and reset after being completely exited, when the main lifting platform 4 rises to a set height, the plug-in components 11 extend out again to take over the main lifting platform, and the operation is repeated, so that the non-stop paper feeding is realized.

In order to facilitate conveying and ensure accurate position of the paper stack, a front baffle 9 is arranged in front of the main lifting platform 4 or at the front end of the main lifting platform; a pulley 2 is arranged below the supporting plate 3, and a sliding groove matched with the pulley in the direction is formed in the main lifting platform; the rear of main elevating platform is provided with to the slide rail 1 that matches with the pulley, slide rail 1 vertically sets up, the slide rail links up with the spout, and layer board 3 removes along slide rail and spout like this, and the layer board removes to main elevating platform 5 and goes up until layer board and preceding baffle 9 contact, and the layer board position on the main elevating platform is unanimous like this.

The bearing part also comprises an auxiliary lifting table 6, and the plug-in 11 moves back and forth on the auxiliary lifting table; the auxiliary lifting platform is connected with an auxiliary lifting component for driving the auxiliary lifting platform to lift, and the main lifting platform 5 is connected with a main lifting component for driving the main lifting platform to lift; the auxiliary lifting assembly comprises a transmission chain 7 and a motor 10 for driving the transmission chain, the auxiliary lifting platform 6 is connected with the transmission chain 7, and the main lifting assembly can also adopt the structure of the transmission chain and the motor or adopt a screw rod mechanism and a cylinder to drive the main lifting platform to lift; the driving component for driving the plug-in unit to move back and forth can adopt an air cylinder, in the embodiment, the driving component comprises a screw 12, a nut 13 matched with the screw and a guide member 21, the screw 12 is connected with a motor 17 for driving the screw to rotate, the screw 12 is longitudinally arranged on the rack, the nut 13 is arranged on the plug-in unit, the plug-in unit moves back and forth along the guide member, and the guide member can adopt a guide rod, a linear guide rail and the like.

An upper limit sensor 15 and a lower limit sensor 8 are mounted on the rack, the upper limit sensor and the lower limit sensor can adopt a proximity switch, a position sensor and the like, a magnet which is sensed by the upper limit sensor is mounted on the auxiliary lifting platform 6 or the plug-in 11, and a magnet which is sensed by the lower limit sensor is arranged on the main lifting platform 5 or the supporting plate 3; in order to improve automation, a position sensor is arranged at the bottom of the auxiliary lifting platform 6, the position sensor, the upper limit sensor, the lower limit sensor, a driving component for driving the plug-in unit to move back and forth, the main lifting component and the auxiliary lifting component are all connected with an electric controller, and the electric controller sends instructions to the driving component, the main lifting component and the auxiliary lifting component through information collected by the upper limit sensor and the lower limit sensor to respectively drive the plug-in unit, the main lifting platform and the auxiliary lifting platform to act; when the main lifting platform 5 moves upwards to be close to the lower limit sensor 8 and the lower limit sensor receives information and sends the information to the electric controller, the electric controller sends an instruction to drive the assembly, the main lifting assembly and the auxiliary lifting assembly, the drive assembly drives the plug-in unit 11 to extend out, the plug-in unit is inserted into the slot on the supporting plate 3, the plug-in unit supports the paper stack 4, the plug-in unit 11 replaces the main lifting platform 5, the main lifting assembly drives the main lifting platform 5 to descend, reset and wait, and the auxiliary lifting assembly 6 drives the auxiliary lifting platform and the plug-in unit to move upwards step by step; when the auxiliary lifting platform 6 moves upwards to be close to the upper limit sensor 15 and the upper limit sensor receives information, the information is sent to the electric controller, the electric controller sends an instruction to the main lifting component, at the moment, the next paper stack is pushed onto the main lifting platform 5 through a manual or mechanical arm, the main lifting component drives the main lifting platform to move upwards rapidly until the paper stack is close to the auxiliary lifting platform 6, at the moment, the position sensor receives the information, the electric controller sends an instruction to the driving component and the auxiliary lifting component, at the moment, the main lifting platform and the auxiliary lifting platform ascend synchronously, the driving component drives the plug-in components 11 to retract gradually until the plug-in components completely exit, the paper stack is moved to the next paper stack, and then the plug-in components 11 move downwards to reset, wait for the main lifting platform 5 to move upwards to the lower limit sensor 8, and the plug-in components 11 extend out again and take over the main lifting platform 5 again. The upper limit sensor 15 and the lower limit sensor 8 can also be connected with a buzzer, the buzzer stops the manual operation of an operator, namely, the operator gives instructions to the driving assembly, the main lifting assembly and the auxiliary lifting assembly manually, and the electric controller is replaced by manual work, so that the equipment cost is low, but the labor cost is high.

When the paper stack 4 enters the main lifting platform 5, in order to avoid collision between the paper stack 4 and the auxiliary lifting platform 6, a height limiter 14 is arranged at the feeding end of the rack, the position of the height limiter is lower than that of an upper limit sensor 15, and the height limiter can be connected with a buzzer to remind a user; the height limiter can also adopt a baffle plate to remind the worker; in order to ensure the stable paper feeding of the feeder head and avoid the air suction, the bearing part also comprises an auxiliary socket 16, the upper surface of the auxiliary socket is an inclined surface, when the plug-in 11 gradually withdraws, the auxiliary socket 16 is placed at the rear end of the next paper stack, so that the rear end of the previous paper stack is supported by the auxiliary socket, the fall between the previous paper stack and the next paper stack is further weakened, and when the paper stack is supported by the main lifting platform, the auxiliary socket 16 is taken down.