CN216638277U

CN216638277U - Cardboard conveying buffering protection device

Info

Publication number: CN216638277U
Application number: CN202122745374.4U
Authority: CN
Inventors: 赵义; 李亚军; 陈安
Original assignee: Dongguan Jiufeng Carton & Machinery Co ltd
Current assignee: Dongguan Jiufeng Carton & Machinery Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-05-31
Anticipated expiration: 2031-11-10

Abstract

The paper board conveying buffer protection device is provided with two oppositely arranged racks, and further comprises 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 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. The structure is simple and reliable in pressure adjustment, long in service life and simple and convenient to maintain.

Description

Cardboard conveying buffering protection device

Technical Field

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

Background

With the widespread use of gravure and flexographic lines in various packaging enterprises, packaging cartons have also gained faster development and higher demands. At present, with the continuous improvement of living standard of people, the packing material of products can be paid attention to when the products are selected, and the requirement of continuously improving is also urgently needed when the packing carton is used as one of the most main packing materials.

At present, the production process of the carton generally comprises the processes of printing, slotting, die cutting, indentation and the like, the first need is to convey the paperboard when the production process is carried out, a conveyor part is generally adopted in the process of conveying the paperboard, a paper feeding part carries out relative rotation on an upper paper feeding roller and a lower paper feeding roller which are arranged oppositely so as to convey the paperboard, wherein the upper paper feeding roller is generally arranged as a rubber coating roller, namely, a rubber surface is coated on the outer surface of a rotating shaft, the lower paper feeding roller is a metal roller with pit grains, and the upper paper feeding roller and the lower paper feeding roller rotate relatively so as to roll and convey the paperboard.

However, the mutual pressure between two paper feeding rollers needs to be adjusted in the process of conveying the paper board, certain pressure is often required to be applied to the paper feeding upper rollers, so that the paper board is clamped, so that the paper board is better conveyed, only when the pressure between the two paper feeding rollers is proper, the paper board can ensure the conveying precision and cannot damage the internal structure of the paper board in advance, if the pressure is too large, the strength and the protection effect of the paper board can be damaged, and if the pressure is too small, the pressure of the two paper feeding rollers to the paper board is loose, so that the paper feeding precision in the conveying process of the paper board is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a paperboard conveying buffer protection device for adjusting and buffering the pressure of a paper feeding roller in the process of conveying paperboards, wherein when the paper feeding roller rotates relatively to feed paper, the buffer protection device has a buffer space for the pressure between the paper feeding rollers, so that the pressure on the paperboards is not too large and is not too small, the pressure is always kept in a proper range, and the paper feeding precision is ensured without damaging the strength of the paperboards.

The technical scheme adopted by the utility model for solving the technical problem is as follows:

the cardboard conveying buffer protection device is provided with two oppositely arranged racks, and also comprises 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.

Further, the buffer assembly 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.

Furthermore, the buffering assembly further has an adjusting structure, the adjusting structure is used for adjusting the position of the baffle plate for adjusting the elastic force of the compression spring, and 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.

Furthermore, the adjusting structure further comprises an anti-slip nut, wherein the anti-slip nut is sleeved on the fixing rod and forms threaded fit, and is tightly attached to the adjusting nut.

Furthermore, the second fixed shaft is provided with a driving motor, the driving motor is fixed on the rack and connected with the second fixed shaft so as to drive the second fixed shaft and the two racks to rotate, the second fixed shaft is also provided with an eccentric wheel, a 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.

Compared with the prior art, the utility model has the beneficial effects that:

the paperboard conveying buffer protection device provided by the utility model can adjust the pressure between the two paper feeding rollers in the process of conveying the paperboard by the two paper feeding rollers, the adjustment mode is simple and reliable, in addition, in the process of ensuring the pressure between the two paper feeding rollers, the paper feeding rollers also have the buffer force in the upward direction, the overlarge pressure between the two paper feeding rollers can be prevented, the damage to the strength of the paperboard is avoided, meanwhile, the pressure applied to the paper feeding rollers can be conveniently adjusted by the eccentric wheel, the adjustment mode is simple and reliable, the pressure to the compression spring can be adjusted by rotating the adjusting nut, so that the buffer force to the paper feeding rollers is changed, the pressure between the two rollers is ensured to be within a proper range, certain buffer is realized, and the damage to the strength of the paperboard is avoided.

The utility model is further described with reference to the drawings and embodiments in the following description.

Drawings

Fig. 1 is a front view of the present invention mounted on a paper feed roller.

FIG. 2 is a side view of the present invention mounted on a paper feed roller.

Fig. 3 is a side view of the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions of "first", "second", and the like provided in the embodiments of the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The embodiment of the utility model provides a device for buffering and protecting a paperboard in the process of conveying the paperboard, and particularly relates to a buffering and protecting device which is arranged on a paper feeding roller 800, particularly an upper paper feeding roller, and is used for applying certain pressure to the paper feeding roller 800 when two paper feeding rollers 800 rotate relatively to convey the paperboard, so that the acting force between the two paper feeding rollers 800 is proper, and the buffering component 310 is arranged, so that the pressure of the paper feeding roller 800 to the paperboard is not too high under the action of the buffering component 310 in the process of clamping and conveying the paperboard, and the strength of the paperboard can not be damaged under the condition of ensuring accurate paper feeding.

Referring to fig. 1 to 3, the buffering protection device for conveying paper sheets according to the embodiment of the present invention includes two opposite racks 100, including a pressing mechanism 200 and a buffering mechanism 300, which are disposed on the racks 100, wherein the buffering mechanism 300 is connected to the pressing mechanism 200 for providing pressing force to the pressing mechanism 200 and providing a buffering space for the pressing mechanism 200. The pressing mechanism 200 includes a first fixing shaft 201 installed on the two frames 100 and a pressing plate 210, wherein the axis of the first fixing shaft 201 and the axis of the paper feeding roller 800 are parallel to each other, wherein the pressing plate 210 is parallel to the two frames 100, one end of the pressing plate 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, moreover, the first mounting hole 211 and the first fixing shaft 201 form a circumferential rotation fit, so that the pressing plate 210 can swing along the first fixing shaft 201, a second mounting hole 212 is formed in the middle of the pressing plate 210, the second mounting hole 212 is used for the paper feeding roller 800 to pass through, and the paper feeding roller 800 is fixed in the second mounting hole 212, a connecting end 213 extending in a direction away from the second mounting hole 212 is formed at the other end of the pressing plate 210, and the connecting end 213 is used to connect to the damper mechanism 300.

The buffering mechanism 300 includes a second fixing shaft 301, the second fixing shaft 301 is disposed above the connecting end 213 and mounted on the two racks 100, a buffering component 310 is mounted on the second fixing shaft 301, and the buffering component 310 is connected to the pressing plate 210 for providing a pressure to the pressing plate 210 and simultaneously providing a buffering force to make the pressing plate 210 swing along the first fixing shaft 201. In the process of conveying the paper board, the paper board is conveyed under the action of relative rotation of two paper feeding rollers 800, at this time, the second fixing shaft 301 is connected with the pressing mechanism 200 through the buffering assembly 310, specifically, the second fixing shaft 301 is connected with the connecting end 213 of the pressing plate 210 through the buffering assembly 310, at this time, the middle part of the pressing plate 210 is sleeved on one paper feeding roller 800, the other end of the pressing plate is in circumferential rotation fit with the first fixing shaft 201 fixed on the frame 100, at this time, the buffering assembly 310 applies a pressure to the paper feeding roller 800 connected with the pressing plate 210 through the pressing plate 210, so that the two paper feeding rollers 800 are clamped, at the same time, the pressing plate 210 has a buffering force at the buffering assembly 310, namely, the paper feeding roller 800 has a buffering force, specifically, when the paper board is conveyed after being crushed by the two paper feeding rollers 800, the buffer component 310 has a buffer effect on the pressure of the paperboard, and the paperboard can not be rolled under larger pressure, so that the strength of the paperboard is prevented from being damaged.

Specifically, the buffer assembly 310 includes a mounting base 311, a through hole for being sleeved on the second fixing shaft 301 is formed on the mounting base 311, a fixing rod 313 is installed on the surface of the mounting base 311, one end of the fixing rod 313 is connected with the mounting base, and the other end thereof extends downward and specifically extends toward the direction of the pressing plate 210; the buffer assembly 310 further includes a connecting base 314, wherein the connecting base 314 has a top plate 315, a linking hole 316 for the fixing rod 313 to pass through is formed on the top plate 315, accordingly, the fixing rod 313 is prevented from being separated from the top plate 315, a stopper 317 is formed at the top end of the fixing rod 313, the diameter of the stopper 317 is larger than the diameter of the linking hole 316, thereby preventing the fixing rod 313 from falling off the linking hole 316, opposite side plates 318 are formed on two opposite edges of the top plate 315, coaxial connecting holes 319 are formed on the two side plates 318, correspondingly, a through hole corresponding to the connecting hole 319 is formed on the connecting end 213 of the pressing plate 210, the side plates 318 are hinged with the pressing plate 210 through the connecting holes 319 and a pin 302 located in the through hole of the connecting end 213, thereby enabling the connecting base 314 to swing around the pin 302; the buffer assembly 310 further has a buffer unit 320, the buffer unit 320 includes a baffle 321 disposed on the fixing rod 313, wherein the baffle 321 is disposed between the connecting seat 314 and the mounting seat, and a compression spring 322 disposed on the fixing rod 313 and between the baffle 321 and the connecting seat 314, the compression spring 322 is compressed between the baffle 321 and the connecting seat 314 by the baffle 321, so that the compression spring 322 generates a downward pressure for the paper feeding roller 800, the compression force of the compression spring 322, i.e. the pressure for the paper feeding roller 800, can be adjusted by adjusting the position of the baffle 321, and meanwhile, the paper feeding roller 800 has a buffer force for compressing the compression spring 322 upward through the connecting seat 314. In the process of conveying the paper boards, the pressing mechanism 200 applies pressure to the paper feeding rollers 800 through the buffer unit 320, so that the paper boards are conveyed under the rolling action of the two paper feeding rollers 800, specifically, the mounting seat 311 mounted on the second fixing shaft 301 is connected with the connecting seat 314 through the fixing rod 313, the fixing rod 313 is arranged in the linkage hole 316 on the top plate 315 of the connecting seat 314 in a penetrating manner, the compression spring 322 sleeved on the fixing rod 313 compresses the baffle 321 and the connecting seat 314, the side plate 318 of the connecting seat 314 is connected with the connecting end 213 of the pressing plate 210, the middle part of the pressing plate 210 is sleeved on the paper feeding rollers 800, the other end of the pressing plate is mounted on the first fixing shaft 201 fixedly mounted on the frame 100, at this time, the compression spring 322 pushes the connecting seat 314 downwards under the action of the baffle 321, and applies downward pressure to the paper feeding rollers 800 through the pressing plate 210, at this time, the paper feeding roller 800 also has an upward buffering force to compress the compression spring 322, so that the pressure between the two paper feeding rollers 800 is increased and maintained within a proper range, and the paper feeding rollers are used for carrying out high-precision paper board conveying without damaging the paper board in strength, and the position of the baffle 321 on the fixing rod 313 is relatively adjusted, so that the adjustment of the pressure applied on the paper feeding roller 800 is realized.

In an embodiment, in order to facilitate the adjustment of the position of the partition 321, an adjusting structure is disposed on the buffer assembly 310, the adjusting structure includes a through hole on the partition 321 for the fixing rod 313 to pass through, an external thread disposed on the fixing rod 313, and an adjusting nut 331 cooperating with the external thread to form a nut, the relative position of the adjusting nut 331 on the fixing rod 313 can be adjusted by rotating the adjusting nut 331, so as to adjust the position of the partition 321, thereby adjusting the acting force of the partition 321 and the connecting seat 314 on the compression spring 322, and further changing the pressure on the paper feeding roller 800.

In an embodiment, the adjusting structure further includes an anti-slip nut 332 for locking the position of the adjusting nut 331 and preventing the adjusting nut from rotating upward, so that the compression force of the compression spring 322 is reduced, the anti-slip nut 332 is disposed on the fixing rod 313 in a threaded manner and tightly attached to the adjusting nut 331, thereby locking the position of the adjusting nut 331, preventing the adjusting nut 331 from rotating upward, and ensuring that the pressure of the compression spring 322 does not change.

In the embodiment, to further apply pressure to the paper feeding roller 800, a driving motor (not shown) is disposed above the frame 100, the driving motor is connected to the second fixing shaft 301, so as to drive the second fixing shaft 301 to rotate circumferentially on the frame 100, meanwhile, an eccentric wheel 303 is disposed on the second fixing shaft 301, a through hole formed on the mounting seat 311 is sleeved on the eccentric wheel 303, and the diameter of the through hole on the mounting seat 311 is larger than that of the eccentric wheel 303, so that the eccentric wheel 303 rotates around the second fixing shaft 301 under the driving of the driving motor (not shown), and rotates within the through hole of the mounting seat 311, so as to drive the mounting seat 311 to swing, when the eccentric wheel 303 rotates under the driving of the driving motor and drives the mounting seat 311 to move downwards, so that the pressing plate 210 has downward pressure on the paper feeding roller 800, therefore, the pressure between the two paper feeding rollers 800 is increased, when the eccentric wheel 303 is driven by the driving motor to rotate to drive the mounting seat 311 upwards for a certain time, the pressure between the two paper feeding rollers 800 is reduced, and when the eccentric wheel 303 drives the mounting seat 311 to swing left and right, because the mounting seat 311 is hinged with the pressing plate 210 through the connecting seat 314 connected with the fixing rod 313, the vertical movement of the mounting seat 311 cannot be influenced.

In the processing production, the eccentric wheel 303 is driven by the driving motor to rotate, so as to drive the mounting seat 311 to move in four directions, wherein when the mounting seat 311 moves downwards, the mounting seat 311 is connected with the pressing plate 210 through the connecting seat 314, the connecting end 213 of the pressing plate 210 moves downwards, the other end of the pressing plate 210 is connected with the first fixing shaft 201 and forms a circumferential rotation fit, so that when the connecting end 213 receives a downward force, the pressing plate 210 swings downwards by the first fixing shaft 201, so that the paper feeding roller 800 sleeved in the middle of the pressing plate 210 receives a downward pressure, further the pressure between the two paper feeding rollers 800 is increased, the pressure received by the paper during the conveying process is larger, the conveying precision of the paper is ensured, meanwhile, one end of the fixing rod 313 penetrates through the linkage hole 316 of the connecting seat 314, and the fixing rod 313 is sleeved with the compression spring 322, and the compression spring 322 is located between the connecting seat 314 and the baffle 321, at this time, in the process of conveying the paper board, the paper feeding roller 800 receives upward reasoning under the effect of the paper board, at this time, the paper feeding roller 800 compresses the compression spring 322 upwards through the pressing plate 210 and the connecting seat 314, so that the paper feeding roller 800 has a buffer force on the pressure of the paper board, thereby reducing the pressing force on the paper board and reducing the damage to the strength of the paper board. Meanwhile, the pressing force of the compression spring 322 can be adjusted by rotating the adjusting nut 331, so that the buffering force of the paper feeding roller 800 is changed, the position of the adjusting nut 331 is locked under the action of the anti-slip nut 332, the anti-slip nut is prevented from sliding on the fixing rod 313, the compression force of the compression spring 322 is reduced, and the conveying of the paper boards is influenced.

Various other modifications and alterations of the disclosed structure and principles of the utility model will become apparent to those skilled in the art from this disclosure, and all such modifications and alterations are intended to be within the scope of the utility model.

Claims

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,

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

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.