阅读说明：本技术 带夹纸自动控制的纸堆翻转机 (Paper pile turning machine with automatic paper clamping control function ) 是由 黄仁众 夏慧蓉 高泉全 林鸣涵 林希望 倪晓静 王建彪 夏碎娒 于 2021-10-13 设计创作，主要内容包括：本发明公开了带夹纸自动控制的纸堆翻转机,包括夹纸台和左右夹纸斗,其特征在于：左右夹纸斗在夹纸台上作相互靠近和远离的动作,左右夹纸斗的相对面为夹纸工作面,夹纸工作面的下部活动安装翻板；左右夹纸斗的前侧方向设有挡纸部件,挡纸部件包括挡纸支架和左右挡纸板,挡纸支架可前后调节安装于夹纸台上,左右挡纸板在挡纸支架上作上下错开设置,左挡纸板由左伸缩缸推动进行左右伸缩活动,右挡纸板由右伸缩缸推动进行左右伸缩活动,左右伸缩缸在挡纸支架上固定安装。本发明用于纸堆的翻面,实现各种情况下的夹纸力度的自动调节可控,来防止纸堆翻转后出现塌纸、粘纸等情况,同时可进行纸堆的整纸动作,扭矩大、灵敏度高、维护成本低。(The invention discloses a paper pile turnover machine with automatic paper clamping control, which comprises a paper clamping table and a left paper clamping bucket and a right paper clamping bucket, and is characterized in that: the left paper clamping bucket and the right paper clamping bucket move close to and away from each other on the paper clamping table, the opposite surfaces of the left paper clamping bucket and the right paper clamping bucket are paper clamping working surfaces, and the lower parts of the paper clamping working surfaces are movably provided with turning plates; the left paper blocking component and the right paper blocking component are arranged in the front side direction of the left paper clamping bucket and the right paper blocking component, the paper blocking supports can be adjusted front and back and are arranged on the paper clamping table, the left paper blocking plates and the right paper blocking plates are arranged on the paper blocking supports in a vertically staggered mode, the left paper blocking plates are pushed by the left telescopic cylinder to stretch left and right, the right paper blocking plates are pushed by the right telescopic cylinder to stretch left and right, and the left telescopic cylinder and the right telescopic cylinder are fixedly arranged on the paper blocking supports. The paper pile turning device is used for turning over paper piles, realizes automatic adjustment and controllability of paper clamping force under various conditions, prevents the paper piles from collapsing, sticking and the like after turning over, can perform paper pile finishing action, and is large in torque, high in sensitivity and low in maintenance cost.)

1. Paper pile upset machine of area clamp paper automatic control, including press from both sides the paper platform and locate the paper hopper of pressing from both sides about pressing from both sides the paper bench, but press from both sides the paper platform horizontal rotation locate on the upset seat, the upset seat can overturn and locate on the upset machine frame, its characterized in that: the left paper clamping bucket and the right paper clamping bucket move close to and away from each other on the paper clamping table, the movement is pushed by a paper clamping oil cylinder, the opposite surfaces of the left paper clamping bucket and the right paper clamping bucket are paper clamping working surfaces, and the lower parts of the paper clamping working surfaces are movably provided with turning plates; when the paper clamping operation is carried out, when the turning plates on the left paper clamping bucket and the right paper clamping bucket are turned outwards in place, the control switch sends a signal to control the paper clamping oil cylinder to stop working, and the surface of the turning plate is flush with the paper clamping working surface; the left paper blocking component and the right paper blocking component are arranged in the front side direction of the left paper clamping bucket and the right paper blocking component, the paper blocking supports can be adjusted front and back and are arranged on the paper clamping table, the left paper blocking plates and the right paper blocking plates are arranged on the paper blocking supports in a vertically staggered mode, the left paper blocking plates are pushed by the left telescopic cylinder to stretch left and right, the right paper blocking plates are pushed by the right telescopic cylinder to stretch left and right, and the left telescopic cylinder and the right telescopic cylinder are fixedly arranged on the paper blocking supports.

2. The automatic control paper pile turning machine with paper clamping function as claimed in claim 1, characterized in that: the turning plate is hinged with the paper clamping bucket through a hinge.

3. The automatic control paper pile turning machine with paper clamping function as claimed in claim 1, characterized in that: the bottom of the turning plate is pulled by the tension spring, and when the turning plate turns inwards, the elastic buffer block limits the turning plate.

4. The automatic control paper pile turning machine with paper clamping function as claimed in claim 1, characterized in that: the paper blocking support can be movably arranged on the fixing frame in the front-back direction, the fixing frame is fixedly connected with the paper clamping table, the paper blocking support is connected with the adjusting nut, and the adjusting screw rod matched with the adjusting nut is in transmission connection with the adjusting motor.

5. The automatic control paper pile turning machine with paper clamping function as claimed in claim 1, characterized in that: the horizontal rotation of the paper clamping table is controlled and driven by a hydraulic motor.

Technical Field

The invention relates to the technical field of printing and packaging machinery, in particular to a paper pile overturning machine for overturning a paper pile.

Background

The printing machine is not neat in paper collection during printing, paper is orderly before printing to ensure printing quality, and for double-sided printing paper, the paper needs to be turned over by using the paper pile turning machine during second printing, otherwise, printing on the other side of the paper cannot be performed. In the past, the orderliness of paper pile can not go on the paper pile upset machine, and in addition, the horizontal rotation of prior art's paper pile upset machine has adopted servo motor to drive and has pressed from both sides paper fill and press from both sides the paper platform and carry out rotary motion about pressing from both sides, satisfies the paper pile face and trades the demand of direction, and it is little to have the moment of torsion power, and sensitivity is not high, and maintenance cost is higher not enough. What is more important is that, in the paper pile turning machine in the prior art, when feeding paper, the paper pile is firstly sent to a paper clamping bucket of a paper clamping table (a lower bracket is arranged below the paper pile to support the paper pile, the paper clamping table is in a vertical state when turning over, a left paper clamping bucket and a right paper clamping bucket are in a horizontal state, one is close to the ground, and the other is above the ground), then an upper bracket is placed on the paper pile, then the left paper clamping bucket is manually operated upwards, the right paper clamping bucket is operated downwards, the left paper clamping bucket and the right paper clamping bucket clamp the paper pile together, in the process, if the paper clamping force is insufficient, the paper pile turns upwards by 90 degrees along with the paper clamping table, a local fold and edge collapse phenomenon can occur, if the paper clamping force is too large, the paper sticking phenomenon can easily occur between adjacent paper of the paper pile, and the printing ink of the paper is not completely dried after the first printing; in addition, if the photoelectric switch is adopted to control the paper clamping oil cylinder to realize the automatic operation of the left and right paper clamping buckets, the photoelectric switch can only be aligned to the position of the through hole of the bracket body of the bracket, the bracket has a plurality of specifications, the positions of the through holes of the bracket body are different, and the photoelectric switch has great limitation. Therefore, the paper pile turnover machine in the prior art is difficult to realize automatic adjustment and controllability of paper clamping force of the paper pile turnover machine under various conditions, so that the conditions of paper collapse, paper sticking and the like after the paper pile is turned over are prevented, the labor intensity of workers is high, and the efficiency is low.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the paper pile turnover machine with the automatic control of paper clamping, which is used for turning over a paper pile, realizes the automatic adjustment and control of the paper clamping force under various conditions, prevents the paper pile from collapsing, sticking and the like after turning over, can perform the paper pile finishing action, and has the advantages of large torque, high sensitivity and low maintenance cost.

The invention is implemented by the following technical scheme:

paper pile upset machine of area clamp paper automatic control, including press from both sides the paper platform and locate the paper hopper of pressing from both sides about pressing from both sides the paper bench, but press from both sides the paper platform horizontal rotation locate on the upset seat, the upset seat can overturn and locate on the upset machine frame, its characterized in that: the left paper clamping bucket and the right paper clamping bucket move close to and away from each other on the paper clamping table, the movement is pushed by a paper clamping oil cylinder, the opposite surfaces of the left paper clamping bucket and the right paper clamping bucket are paper clamping working surfaces, and the lower parts of the paper clamping working surfaces are movably provided with turning plates; when the paper clamping operation is carried out, when the turning plates on the left paper clamping bucket and the right paper clamping bucket are turned outwards in place, the control switch sends a signal to control the paper clamping oil cylinder to stop working, and the surface of the turning plate is flush with the paper clamping working surface; the left paper blocking component and the right paper blocking component are arranged in the front side direction of the left paper clamping bucket and the right paper blocking component, the paper blocking supports can be adjusted front and back and are arranged on the paper clamping table, the left paper blocking plates and the right paper blocking plates are arranged on the paper blocking supports in a vertically staggered mode, the left paper blocking plates are pushed by the left telescopic cylinder to stretch left and right, the right paper blocking plates are pushed by the right telescopic cylinder to stretch left and right, and the left telescopic cylinder and the right telescopic cylinder are fixedly arranged on the paper blocking supports.

The turning plate is hinged with the paper clamping bucket through a hinge.

The bottom of the turning plate is pulled by the tension spring, and when the turning plate turns inwards, the elastic buffer block limits the turning plate.

The paper blocking support can be movably arranged on the fixing frame in the front-back direction, the fixing frame is fixedly connected with the paper clamping table, the paper blocking support is connected with the adjusting nut, and the adjusting screw rod matched with the adjusting nut is in transmission connection with the adjusting motor.

The horizontal rotation of the paper clamping table is controlled and driven by a hydraulic motor.

According to the paper pile turnover machine with the automatic paper clamping control function, the turnover action of the paper pile can be carried out, the paper pile can be completed simultaneously, the automatic adjustment and control of the paper clamping force under various conditions are realized, and the conditions of paper collapse, paper sticking and the like after the paper pile is turned over are prevented; the horizontal rotation of the paper clamping table is controlled and driven by a hydraulic motor, the hydraulic motor has the characteristics of large torque force, high sensitivity and low maintenance cost, the speed is adjustable, and the speed is adjusted by controlling the oil quantity of the hydraulic motor by generally adopting hydraulic elements such as an overflow valve, a throttle valve and the like. The oil entering the hydraulic motor is provided by the hydraulic pump, the hydraulic pump can pump oil through the power device, when the oil pressure of the hydraulic motor is overlarge, the oil pressure detection element connected to a pipeline of the hydraulic motor is used for detecting, when the oil pressure exceeds a set value, the oil can be safely protected in a mode of stopping pumping oil and the like, accidents are prevented, and the oil input and output to the hydraulic motor is controlled to be switched on and off through a switch of an electromagnetic valve so as to control the rotation and the stop of the paper clamping bucket. When the electromagnetic valve is opened, oil enters the hydraulic motor through the pipeline to drive an output shaft of the hydraulic motor to rotate; when the solenoid valve closes, oil stops entering the hydraulic motor and the output shaft of the hydraulic motor stops rotating.

Drawings

The invention has the following drawings:

figure 1 is a schematic structural view of the present invention,

figure 2 is a view of figure 1 after being turned 90 degrees to the right,

figure 3 is a block diagram of the blank holder part of figure 1,

figure 4 is another view of the orientation of figure 1,

fig. 5 is an enlarged view of a portion a of fig. 4.

Detailed Description

As shown in the figure, the paper pile turning machine with the automatic paper clamping control comprises a paper clamping table 3, a left paper clamping bucket 1 and a right paper clamping bucket 2 which are arranged on the paper clamping table, wherein the left paper clamping bucket 1 and the right paper clamping bucket 2 move close to and away from each other on the paper clamping table 3 and are pushed by a paper clamping oil cylinder, the paper clamping table 3 can be horizontally and rotatably arranged on a turning seat 4 and is controlled and driven by a hydraulic motor, the turning seat 4 can be arranged on a base 5 of the turning machine in a turning way and is pushed by the turning oil cylinder, a paper blocking part is arranged in the front side direction of the left paper clamping bucket and the right paper clamping bucket and comprises a paper blocking bracket 6, a left paper blocking plate 7 and a right paper blocking plate 8, the paper blocking bracket 6 can be adjusted and arranged on the paper clamping table 3 in a front-and-back mode, the paper blocking bracket 6 can be movably arranged on a fixing frame 12 in the front-back mode, the fixing frame 12 is fixedly connected with the paper clamping table 3, the paper blocking bracket 6 is connected with an adjusting nut, an adjusting screw rod 9 matched with the adjusting nut is in transmission connection with an adjusting motor 11 through a synchronous belt 10, left side fender cardboard 7, right fender cardboard 8 stagger the setting from top to bottom on keeping off paper support 6, and flexible activity about left fender cardboard 7 is promoted by left telescopic cylinder, and flexible activity about right fender cardboard 8 is promoted by right telescopic cylinder, controls telescopic cylinder fixed mounting on keeping off paper support 6. The opposite surface of the left paper clamping bucket and the right paper clamping bucket is a paper clamping working surface, the lower part of the paper clamping working surface is provided with an inner recess, a turning plate 13 is movably arranged at the inner recess, the turning plate 13 is hinged with the paper clamping bucket through a hinge 14, the bottom of the turning plate 13 is pulled by a tension spring 17, and when the turning plate 13 is turned inwards, an elastic buffer block 15 limits the turning plate; when the paper clamping operation is carried out, when the turning plates 13 on the left paper clamping bucket and the right paper clamping bucket are turned outwards to the right, a control switch 16 (which can select a common travel switch) sends a signal to control the paper clamping oil cylinder to stop working, and the surface of the turning plate is flush with the paper clamping working surface at the moment.

The invention works as follows: firstly, the turning cylinder acts to turn the turning seat rightwards, the left paper clamping hopper and the right paper clamping hopper are in a horizontal state, the right paper clamping hopper is close to the ground, at the moment, a forklift sends a paper stack to be turned to the right paper clamping hopper, a lower bracket is arranged below the paper stack for supporting, after the paper stack is pushed in place, an upper bracket is arranged above the paper stack, and at the moment, a turning plate on the right paper clamping hopper is turned outwards in place under the action of the gravity of the paper stack; then the paper clamping oil cylinder works, the right paper clamping bucket faces upwards, the left paper clamping bucket faces downwards, the left paper clamping bucket and the right paper clamping bucket clamp the paper stack together, at the moment, the turnover plate on the left paper clamping bucket can also turn outwards in place, and then the control switch sends a signal to control the paper clamping oil cylinder to stop working in time so as to ensure proper paper clamping force, further avoid the conditions of paper collapse, paper sticking and the like, simultaneously lighten the labor intensity of workers and improve the working efficiency; in the paper clamping process, the paper blocking support is controlled to approach the front side of the paper stack, the left paper blocking plate and the right paper blocking plate extend outwards to block the front side of the paper stack, then the turnover oil cylinder returns to enable the turnover seat to turn upwards, the turnover seat turns upwards and then the hydraulic motor controls and drives the paper clamping table to horizontally rotate at an earlier 90-degree circumferential angle, the paper clamping table is in a slightly forward-inclined state, the left paper clamping bucket and the right paper clamping bucket loosen the clamping of the paper stack, the vibrator arranged on the paper clamping table starts to vibrate to neatly move the paper stack until the paper trimming movement is completed, then the left paper clamping bucket and the right paper clamping bucket clamp the paper stack again, the hydraulic motor controls and drives the paper clamping table to horizontally rotate at a later 90-degree circumferential angle, the turnover seat turns rightwards again after the horizontal rotation is in place, the paper clamping table is in a vertical state, the left paper clamping bucket and the right paper clamping bucket are far away from each other, the left paper clamping bucket is close to the ground, and at the moment, the paper stack is not only finished being turned over compared with the prior art, and simultaneously, the whole paper is finished and finally taken away.