CN216638277U - Cardboard conveying buffering protection device - Google Patents

Abstract

The paperboard conveying buffer protection device is equipped with two oppositely arranged racks, and further comprises a pressing mechanism and a buffering mechanism connected with the pressing mechanism, the buffering mechanism provides a buffering force to the pressing mechanism , the pressing mechanism includes a first fixing shaft and a pressing plate fixedly installed on the two frames, one end of which is arranged with the first fixing shaft to fit on the first fixing shaft The first installation hole of the shaft, the middle of the pressing plate is provided with a second installation hole, the second installation hole is used to be sleeved on the feeding roller, and the pressing plate constitutes a connecting end; the buffer mechanism includes There is a second fixed shaft located on the upper side of the connecting end and installed on the two frames, and a buffer assembly connecting the second fixed shaft and the connecting end, and the buffer assembly is directed to the connecting end. Provides pressure and provides a cushioning force. The structure has the advantages of simple and reliable pressure adjustment, long service life and simple and convenient maintenance.

Description

Cardboard conveying buffer protection device

technical field

The utility model relates to the technical field of printing equipment, in particular to a cardboard transmission buffer protection device in the process of conveying the cardboard.

Background technique

With the widespread use of gravure printing production lines and flexographic printing production lines in various packaging companies, packaging cartons have also received faster development and higher requirements. At present, with the continuous improvement of people's living standards, when choosing products, they will also pay attention to the packaging materials of the products, and the packaging carton is one of the most important packaging materials, and it is also urgent to continuously improve the requirements.

At present, the production process of carton boxes generally includes processes such as printing, slotting, die-cutting and creasing. When carrying out the above-mentioned production processes, the first thing is to transfer the cardboard. In the machine part, the paper feeding part rotates relative to the paper feeding upper roller and the paper feeding lower roller to convey the cardboard. There is a rubber surface, and the lower paper feeding roller is a metal roller with pits.

However, in the process of conveying the cardboard, it is necessary to adjust the mutual pressure between the two feeding rollers, and it is often necessary to exert a certain pressure on the upper feeding roller to clamp the cardboard, so as to facilitate the processing of the cardboard. For better conveying, only when the pressure between the two feeding rollers is appropriate, can the cardboard not only ensure the accuracy of conveying but also not damage the internal structure of the cardboard. If the pressure is too large, the cardboard will be damaged. If the pressure is too small, the pressure of the two paper feeding rollers on the cardboard will be loose, which will cause the paper feeding accuracy during the transportation of the cardboard to decrease.

Utility model content

The purpose of this utility model is to provide a cardboard transmission buffer protection device that adjusts and buffers the pressure of the paper feeding roller during the conveying process of the cardboard. The device has a buffer space for the pressure between the feeding rollers, so that the pressure on the cardboard will not be too large or too small, and it will always be kept within an appropriate range, which ensures the accuracy of the paper feeding without damaging the strength of the cardboard .

The technical scheme adopted by the utility model to solve the technical problem is:

The paperboard conveying buffer protection device is equipped with two oppositely arranged racks, and further includes a pressing mechanism and a buffering mechanism connected with the pressing mechanism, the buffering mechanism provides a buffering force to the pressing mechanism ,

The pressing mechanism includes a first fixing shaft fixedly installed on the two frames and a pressing plate, the pressing plate is parallel to the two frames, and one end of the pressing plate is provided with a connection with the first frame. The fixed shaft is matched with the first installation hole of the first fixed shaft, the middle of the pressing plate is provided with a second installation hole, and the second installation hole is used to be sleeved on the paper feed roller, so The other end of the pressing plate extends toward the direction of the second mounting hole, and constitutes a connecting end;

The buffer mechanism includes a second fixed shaft located on the upper side of the connecting end and installed on the two frames, and a buffer assembly connecting the second fixed shaft and the connecting end, the buffer assembly Pressure is provided to the connecting end and a buffer force is provided, so that the pressing plate swings downward along the first fixed axis.

Further, the buffer assembly includes a

a mounting seat, the mounting seat is provided with a through hole which is adapted to the second fixing shaft and is sleeved on the second fixing shaft, and the mounting seat and the second fixing shaft form a circumferential direction Rotating fit, a fixing rod is installed on the surface of the mounting seat, one end of the fixing rod is connected with the mounting seat, and the other end of the fixing rod protrudes downward;

A connecting seat, the connecting seat has a top plate, and a linkage hole is opened on the top plate that is adapted to the fixing rod and is passed through by the fixing rod, and the corresponding fixing rod passes through the linkage One end of the hole is provided with a clamping position, the size of the clamping position is larger than the diameter size of the linkage hole, and opposite side plates are formed on the two opposite edges above the top plate, and the two said A coaxial connection hole is formed on the side plate, a through hole corresponding to the connection hole is formed on the connection end, and the side plate is connected by a pin passing through the connection hole and the corresponding through hole. on the pressing plate, and the connecting seat swings with the pin as the pivot;

A buffer unit, the buffer unit includes a baffle plate arranged on the fixing rod, the baffle plate is located between the connecting seat and the mounting seat, and also includes a baffle plate sleeved on the fixing rod A compression spring located above and between the baffle plate and the connecting seat, the compression spring continuously pushes the connecting seat downward under the action of the baffle plate, and the connecting seat has an upward direction. A buffer force that compresses the compression spring.

Further, the buffer assembly also has an adjustment structure, and the adjustment structure is used to adjust the position of the partition plate to adjust the elastic force of the compression spring, and the adjustment structure includes: provided on the partition plate The through hole above the baffle plate is sleeved on the fixing rod; the external thread opened on the fixing rod, and the adjusting nut which is threadedly matched with it.

Further, the adjustment structure further includes an anti-skid nut, the anti-skid nut is sleeved on the fixing rod and forms a threaded fit, and is tightly attached to the adjustment nut.

Further, the second fixed shaft has a driving motor, and the driving motor is fixed on the frame and connected with the second fixed shaft to drive the second fixed shaft and the two machines. The eccentric wheel is also installed on the second fixed shaft, the through hole of the mounting seat is sleeved on the eccentric wheel, and the diameter of the through hole of the mounting seat is larger than that of the eccentric wheel diameter.

Compared with the prior art, the beneficial effects of the present utility model are:

The cardboard transmission buffer protection device provided by the utility model can adjust the pressure between the two paper feeding rollers in the process of conveying the cardboard by the two paper feeding rollers, the adjustment method is simple and reliable, and the two paper feeding rollers are guaranteed During the process of the pressure between the paper feed rollers, the paper feed roller also has an upward buffer force, which can prevent the pressure between the two paper feed rollers from being too large and damage the strength of the cardboard. The pressure of the paper roller can be adjusted, and the adjustment method is simple and reliable. The pressure on the compression spring can be adjusted by rotating the adjusting nut, thereby changing the buffer force on the paper feeding roller, so as to ensure that the pressure between the two rollers is within a suitable range. , and has a certain buffer, which will not damage the strength of the cardboard.

The present utility model will be further described below with reference to the accompanying drawings and the embodiments.

Description of drawings

Fig. 1 is the front view of the utility model assembled on the feeding roller.

Figure 2 is a side view of the utility model assembling the paper feed roller.

Figure 3 is a side view of the present invention.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

It should be noted that in the embodiments of the present invention, all directional indications (such as up, down, left, right, front, back...) are only used to explain a certain posture (as shown in the accompanying drawings). ), the relative positional relationship, movement situation, etc. between the components under ), if the specific posture changes, the directional indication also changes accordingly.

In addition, descriptions such as “first” and “second” in the embodiments of the present invention are only for description purposes, and should not be understood as indicating or implying their relative importance or implying the number of indicated technical features .

The embodiment of the present invention provides a device for buffering and protecting the cardboard during the transportation of the cardboard. Specifically, the buffering protection device is arranged on a paper feeding roller 800, and specifically, it is arranged between the upper paper feeding rollers. It is used to make the paper feed rollers 800 exert a certain pressure when the two paper feed rollers 800 rotate relative to convey the cardboard, so that the force between the two paper feed rollers 800 is appropriate, and it has The buffer assembly 310 is provided, so that when the cardboard is clamped and then conveyed, under the action of the buffer assembly 310, the pressure of the paper feeding roller 800 on the cardboard will not be too large, which can ensure the accurate feeding of the paper. The strength of the cardboard will not be damaged.

Referring to FIGS. 1-3 , the cardboard conveying buffer protection device provided by the embodiment of the present invention includes two racks 100 facing each other, which include a pressing mechanism 200 and a buffer mechanism 300 arranged on the racks 100 , the buffer mechanism 300 is connected with the pressing mechanism 200 to provide pressing force to the pressing mechanism 200 and make the pressing mechanism 200 have a buffer space. The pressing mechanism 200 includes a first fixed shaft 201 installed on the two frames 100 and a pressing plate 210, wherein the axis of the first fixed shaft 201 and the axis of the feeding roller 800 are parallel to each other, wherein the pressing plate 210 is parallel to the two racks 100, one end of which is provided with a first mounting hole 211, the pressing plate 210 is mounted on the first fixing shaft 201 through the first mounting hole 211, and the first mounting hole 211 is connected to the first mounting hole 211. A fixed shaft 201 constitutes a circumferential rotation fit, so that the pressing plate 210 can swing along the first fixed shaft 201. A second mounting hole 212 is opened in the middle of the pressing plate 210, and the second mounting hole 212 is used for feeding paper. The roller 800 is inserted through it, and the paper feeding roller 800 is fixed in the second installation hole 212 . The other end of the pressing plate 210 forms a connection end 213 extending away from the second installation hole 212. The connection end 213 Used to connect with the buffer mechanism 300 .

The buffer mechanism 300 includes a second fixed shaft 301 , the second fixed shaft 301 is located above the connecting end 213 and installed on the two frames 100 , and a buffer assembly 310 is installed on the second fixed shaft 301 , The buffer assembly 310 is connected to the pressing plate 210 for providing pressure to the pressing plate 210 and at the same time providing a buffer force, so that the pressing plate 210 swings along the first fixed axis 201 . In the process of conveying the cardboard, the cardboard is conveyed under the action of the relative rotation of the two paper feeding rollers 800. At this time, the second fixed shaft 301 is connected to the pressing mechanism 200 through the buffer assembly 310. Specifically, the second fixed shaft 301 is connected to the pressing mechanism 200. The fixed shaft 301 is connected to the connecting end 213 of the pressing plate 210 through the buffer assembly 310 . The first fixed shaft 201 constitutes a circumferential rotation fit. At this time, the buffer assembly 310 applies a pressure to the paper feeding roller 800 connected to it through the pressing plate 210, so that the two paper feeding rollers 800 are clamped. The buffer assembly 310 enables the pressing plate 210 to have a buffering force, that is, the paper feeding roller 800 has a buffering force. The assembly 310 has a buffering effect on the pressure of the cardboard, and will not roll the cardboard with a large pressure, so as to avoid damage to the strength of the cardboard.

Specifically, the buffer assembly 310 includes a mounting seat 311 , a through hole is defined on the mounting seat 311 for being fitted over the second fixing shaft 301 , and a fixing rod 313 is installed on the surface of the mounting seat 311 for fixing One end of the rod 313 is connected to the mounting seat, and the other end extends downward, and specifically extends toward the pressing plate 210; the buffer assembly 310 further includes a connecting seat 314, wherein the connecting seat 314 has a top plate 315, There is a linkage hole 316 on the top plate 315 for the fixing rod 313 to pass through. Correspondingly, to prevent the fixing rod 313 from disengaging on the top plate 315, a clamping position 317 is provided at the top of the fixing rod 313. The diameter of the clamping position 317 The diameter is larger than the diameter of the linkage hole 316, so as to prevent the fixing rod 313 from falling off in the linkage hole 316, and opposite side plates 318 are formed on the two opposite edges of the top plate 315, and the two side plates 318 are provided with The coaxial connecting hole 319 is correspondingly provided with a through hole corresponding to the connecting hole 319 on the connecting end 213 of the pressing plate 210. The pin 302 is hinged with the pressing plate 210 , so that the connecting base 314 swings with the pin 302 as a pivot; the buffer assembly 310 also has a buffer unit 320 , and the buffer unit 320 includes a partition plate arranged on the fixing rod 313 321, wherein the partition plate 321 is located between the connecting seat 314 and the mounting seat, and also has a compression spring 322 sleeved on the fixing rod 313 and located between the partition plate 321 and the connecting seat 314, the compression spring 322 is blocked The plate 321 is compressed between the baffle plate 321 and the connecting seat 314, so that the compression spring 322 acts as the feeding roller 800 to generate a downward pressure, and the compressive force of the compression spring 322 can be adjusted by adjusting the position of the baffle plate 321 , that is, the pressure on the paper feeding roller 800 , and at the same time, the paper feeding roller 800 has a buffer force to compress the compression spring 322 upward through the connecting seat 314 . In the process of conveying the cardboard, the pressing mechanism 200 exerts pressure on the feeding roller 800 through the buffer unit 320, so that the cardboard is transported under the rolling action of the two feeding rollers 800. The mounting seat 311 of the second fixing shaft 301 is connected with the connecting seat 314 through the fixing rod 313 , and at the same time the fixing rod 313 passes through the linkage hole 316 on the top plate 315 of the connecting seat 314 . The compression spring 322 is compressed between the partition plate 321 and the connecting seat 314, and at the same time, the side plate 318 of the connecting seat 314 is connected with the connecting end 213 of the pressing plate 210, and the middle of the pressing plate 210 is sleeved on the feeding roller 800. , the other end of which is installed on the first fixed shaft 201 fixed on the rack 100. At this time, under the action of the partition plate 321, the compression spring 322 pushes the connecting seat 314 downward, and the compression spring 322 pushes the connecting seat 314 downward. The tension plate 210 exerts downward pressure on the feeding roller 800. At this time, the feeding roller 800 also has an upward buffer force to compress the compression spring 322, so that the pressure between the two feeding rollers 800 increases and increases. Keep it within an appropriate range for high-precision conveying of the cardboard without damaging the strength of the cardboard. Relatively adjust the position of the baffle plate 321 above the fixed rod 313, so as to realize the application of The size of the pressure on the paper roller 800 is adjusted.

In the embodiment, in order to facilitate the adjustment of the position of the partition plate 321, an adjustment structure is provided on the buffer assembly 310, and the adjustment mechanism includes a through hole located above the partition plate 321 for the fixing rod 313 to pass through, The external thread opened on the fixing rod 313 and the adjusting nut 331 matched with the nut formed therewith can be adjusted relative to the fixing rod 313 by rotating the adjusting nut 331, and then the position of the partition plate 321 can be adjusted. Adjust, so as to adjust the force of the partition plate 321 and the connecting seat 314 on the compression spring 322, and then change the pressure on the paper feeding roller 800.

In the embodiment, the adjusting structure also has a non-slip nut 332 for locking the position of the adjusting nut 331 to prevent it from rotating upward, so that the compression force of the compression spring 322 is reduced. On the fixing rod 313, and closely contact with the adjustment nut 331, so as to lock the position of the adjustment nut 331, to avoid the upward rotation of the adjustment nut 331, and to ensure that the pressure of the compression spring 322 will not change.

In the embodiment, in order to further apply pressure to the feeding roller 800, a drive motor (not shown in the figure) is provided on the frame 100, and the drive motor is connected with the second fixed shaft 301 to drive the second fixed shaft 301. The fixed shaft 301 rotates in the circumferential direction above the frame 100. At the same time, an eccentric wheel 303 is installed on the second fixed shaft 301. The diameter of the upper through hole is larger than the diameter of the eccentric wheel 303, and the eccentric wheel 303 is driven by the driving motor (not shown in the figure) to realize the rotation of the second fixed shaft 301 as the axis, and the through hole of the mounting seat 311 is used. When the eccentric wheel 303 rotates under the driving of the driving motor, and drives the mounting seat 311 to move downward, the pressing plate 210 will oscillate the feeding roller. 800 has a downward pressure, so that the pressure between the two feeding rollers 800 increases. When the eccentric wheel 303 rotates under the drive of the driving motor, it drives the mounting seat 311 upward for a certain amount, so that the two feeding rollers 800 are rotated upward. The pressure between the paper rollers 800 is reduced. When the eccentric wheel 303 drives the mounting seat 311 to swing left and right, since the mounting seat 311 is hinged with the pressing plate 210 through the connecting seat 314 connected by the fixing rod 313, the mounting seat 311 will not be installed. The vertical movement of the seat 311 has an influence.

During production, the eccentric wheel 303 rotates under the drive of the drive motor, thereby driving the mounting seat 311 to move in four directions. The pressing plate 210 is connected, and the connecting end 213 of the pressing plate 210 is moved downward, and the other end of the pressing plate 210 is connected with the first fixed shaft 201 and forms a circumferential rotation fit, so that the connecting end 213 is in the receiving direction. When the pressing force is pressed down, the pressing plate 210 swings downward with the first fixed shaft 201, so that the paper feeding roller 800 sleeved in the middle of the pressing plate 210 receives the downward pressure, and then two paper feeding rollers are added. At the same time, one end of the fixing rod 313 passes through the linkage hole 316 of the connecting seat 314 and is fitted on the fixing rod 313 There is a compression spring 322, and the compression spring 322 is located between the connecting seat 314 and the partition plate 321. At this time, when the cardboard is being conveyed, the feeding roller 800 receives upward reasoning under the action of the cardboard. When the feeding roller 800 compresses the compression spring 322 upward through the pressing plate 210 and the connecting seat 314, the feeding roller 800 has a buffering force on the pressure of the cardboard, thereby reducing the pressing force on the cardboard and reducing the pressure on the cardboard. Destruction of strength. At the same time, the pressing force of the compression spring 322 can be adjusted by rotating the adjusting nut 331 , thereby changing the buffer force of the paper feed roller 800 . Slippage occurs over the fixing rod 313, which reduces the compressive force of the compression spring 322, thereby affecting the conveyance of the cardboard.

For those skilled in the art, various other corresponding changes and deformations can be obtained according to the structures and principles disclosed in the present invention, and all these changes and deformations belong to the protection category of the present invention.

Claims (5)

1. The paper board conveying buffer protection device is characterized by being provided with two oppositely arranged racks, a pressing mechanism and a buffer mechanism connected with the pressing mechanism, wherein the buffer mechanism provides a buffer force for the pressing mechanism,

the pressing mechanism comprises a first fixed shaft and a pressing plate which are fixedly arranged on the two racks, the pressing plate is parallel to the two racks, one end of the pressing plate is provided with a first mounting hole which is matched with the first fixed shaft and used for being sleeved on the first fixed shaft, the middle part of the pressing plate is provided with a second mounting hole, the second mounting hole is used for being sleeved on the paper feeding roller, and the other end of the pressing plate extends towards the direction of the second mounting hole and forms a connecting end;

the buffer mechanism comprises a second fixed shaft and a buffer component, the second fixed shaft is positioned on the upper side of the connecting end and is arranged on the two racks, the buffer component is connected with the second fixed shaft and the connecting end, and the buffer component provides pressure and a buffer force for the connecting end, so that the pressing plate swings downwards along the first fixed shaft.

2. A buffer protection device for paper board transmission according to claim 1, wherein the buffer component comprises

The mounting seat is provided with a through hole which is matched with the second fixing shaft and sleeved on the second fixing shaft, the mounting seat and the second fixing shaft form circumferential rotation fit, a fixing rod is arranged on the surface of the mounting seat, one end of the fixing rod is connected with the mounting seat, and the other end of the fixing rod extends downwards;

the connecting seat is provided with a top plate, a linkage hole which is matched with the fixed rod and is used for the fixed rod to pass through is formed in the top plate, a clamping position is arranged at one end, corresponding to the fixed rod, of the linkage hole, the clamping position is larger than the diameter of the linkage hole, opposite side plates are formed on two opposite edges of the top plate, coaxial connecting holes are formed in the two side plates, through holes corresponding to the connecting holes are formed in the connecting end, the side plates are connected with the pressing plate through pins penetrating through the connecting holes and the through holes corresponding to the connecting holes, and the connecting seat swings by taking the pins as pivots;

the buffer unit comprises a baffle arranged on the fixed rod, the baffle is positioned between the connecting seat and the mounting seat, and the buffer unit also comprises a compression spring sleeved on the fixed rod and positioned between the baffle and the connecting seat, the compression spring is used for continuously pushing the connecting seat downwards under the action of the baffle, and the connecting seat has a buffer force which is used for compressing the compression spring upwards.

3. A buffer protection device for conveying paper board according to claim 2, wherein the buffer assembly further comprises an adjusting structure for adjusting the position of the baffle plate to adjust the elastic force of the compression spring, the adjusting structure comprises: the through hole is formed in the baffle plate, and the baffle plate is sleeved on the fixed rod; the adjusting nut is arranged on the fixing rod and is in threaded fit with the external thread.

4. A buffer protection device for cardboard transmission as claimed in claim 3 wherein the adjustment structure further comprises an anti-slip nut, the anti-slip nut being fitted over the fixing rod and forming a screw fit to abut against the adjustment nut.

5. A buffer protection device for conveying paper sheets according to claim 2, wherein the second fixed shaft has a driving motor fixed to the frame and connected to the second fixed shaft to drive the second fixed shaft to rotate with respect to the two frames, the second fixed shaft further has an eccentric wheel mounted thereon, the through hole of the mounting seat is fitted over the eccentric wheel, and the diameter of the through hole of the mounting seat is greater than that of the eccentric wheel.

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