CN114590625A

CN114590625A - Multi-station unreeling machine base

Info

Publication number: CN114590625A
Application number: CN202210194640.5A
Authority: CN
Inventors: 李凯; 陈跃华; 李永才; 罗朝建
Original assignee: Chongqing Sinstar Packaging Machinery Co Ltd
Current assignee: Chongqing Sinstar Packaging Machinery Co Ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-06-07

Abstract

The invention discloses a multi-station unreeling machine base; the material roll cutting device comprises two fixed wall plates which are oppositely arranged, a plurality of fixed support columns which are used for connecting the fixed wall plates on two sides into a whole are arranged between the fixed wall plates, and a material roll clamping assembly and a material roll cutting assembly which are arranged between the fixed wall plates, wherein the material roll cutting assembly is associated with the material roll clamping assembly; the material roll cutting assembly comprises a rotatable cutter, and the cutting of the base material is realized through the rotatable cutter; the clamping and positioning unit is used for clamping a material roll; the automatic clamping of material book can be realized to the setting of clamping positioning unit through the rotation of rotating the wallboard, promotes clamping efficiency, and holistic clamping, location and transmission all set up on rotating the wallboard, and overall structure is compact, reduces the cost of manufacture.

Description

Multi-station unreeling machine base

Technical Field

The invention relates to the technical field of packaging equipment, in particular to a multi-station unreeling machine base.

Background

Coating and compounding equipment is generally used for compounding a base material and a surface material in the technical field of packaging equipment, namely coating of a coating agent on the base material is realized through the equipment, then the surface material is in contact fit with the coating agent surface, so that the compounding of the base material and the surface material is realized, a finished material is conveyed to a winding mechanism after compounding, the base material roll needs to be discharged through an unwinding machine base before compounding, the base material reaches the coating and compounding equipment part through a roller, and finally, the base material is wound after coating and compounding; in general, in production, when the winding in the winding machine base reaches a certain target length, the winding is cut by the cutter, and similarly, after a certain substrate is compounded to the target length, the substrate needs to be replaced, and at this time, the material roll on the unwinding machine base needs to be cut and replaced.

The existing loading and unloading of the base material coil are finished manually, the manual loading and unloading mode is low in efficiency, the labor intensity is high in the loading and unloading process, and the existing coating and compounding equipment can only be met; however, with the development of the intelligent trend of equipment, the existing base material roll packing and clamping device cannot meet the requirements of automatic clamping, loading and unloading, and cannot solve the problem of cutting after automatic loading. Therefore, an unwinding machine base capable of providing an automatic feeding and discharging scheme is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a multi-station unwinding machine base, which aims to improve the automation of equipment and improve the working efficiency of a material roll unwinding machine base.

In order to achieve the purpose, the invention provides a multi-station unreeling machine base which comprises two fixed wall plates arranged oppositely, wherein a plurality of fixed support columns for connecting the fixed wall plates on two sides into a whole are arranged between the fixed wall plates, and the multi-station unreeling machine base also comprises a material roll clamping assembly and a material roll cutting assembly which are arranged between the fixed wall plates, wherein the material roll clamping assembly is used for feeding, discharging and clamping a material roll; the material roll cutting assembly is used for cutting a base material on a material roll after the base material on the material roll is unreeled to a target length, and comprises a rotating wallboard, wherein the rotating wallboard is respectively and rotatably connected to a fixed wallboard, at least two groups of clamping and positioning units are uniformly arranged between the rotating wallboards in an array mode, and at least one group of positioning and clamping units in the clamping and positioning units always clamps an empty material roll so that the material roll which is used for maintaining unreeling work is always unreeled; the material roll cutting assembly is arranged on one side of the material roll clamping assembly and comprises a cutter feeding mechanism and a cutter rotating assembly, the cutter feeding mechanism is connected to the fixed wall plate in a sliding mode through a sliding block and a sliding rod, the cutter rotating assembly is connected to the cutter feeding mechanism, so that the cutter rotating assembly is driven by the cutter feeding mechanism to slide in use, the cutter rotating assembly is driven to feed and retract, and the material roll rotating assembly rotates to the assembly.

According to the unreeling machine base, at least two groups of clamping and positioning units can be respectively arranged on the rotating wall plate, wherein one potential beneficial characteristic is that the number of the clamping and positioning units can be determined according to the diameter of the rotating wall plate, namely the number of the clamping and positioning units can be properly increased when the diameter is set to be larger, so that the distance between an empty material roll and a working material roll can be shortened, and a scheme with higher efficiency can be provided; although the number of the positioning units can be adjusted, two groups of clamping and positioning units are required to be ensured, when two groups of positioning units are arranged, one positioning unit is required to perform unreeling work, and meanwhile, the other positioning unit finishes loading and clamping of an empty material roll, so that unreeling circulation of the unreeling machine base is realized, and unreeling work efficiency is improved; another advantageous feature is that the clamping and positioning unit is arranged on the rotating wall plate, and based on the device, an automatic clamping scheme is provided for automatic material feeding and discharging, namely, an automatic feeding device (such as an automatic AGV feeding vehicle) is arranged in the automatic scheme, the automatic feeding vehicle moves to the position of the clamping unit, and the automatic feeding and discharging actions are realized through the position change in the vertical direction in the rotating process; the intelligent degree of the whole equipment is improved, and the working efficiency is improved; in order to better realize the automatic scheme, the device carries out corresponding design again on the unreeled material roll cutting assembly, and the cutter rotating assembly with the cutter is arranged on the cutter feeding mechanism, so that the part for cutting the base material can be close to and far away from the clamping assembly part, and a feeding space and a discharging space are provided for automatic feeding and discharging.

An advantageous feature of the clamping and positioning unit in the material roll clamping device is that the clamping and positioning unit comprises a sliding guide shaft, a first clamping part, a second clamping part, a linear moving mechanism and a positioning moving mechanism, wherein the sliding guide shaft is fixedly connected between the rotating wall plates; the first clamping part and the second clamping part are respectively connected with a sliding part, so that the first clamping part and the second clamping part can slide along the axial direction of the sliding guide shaft through the sliding parts; the non-shaft material ejecting heads for clamping the material roll are respectively connected to the opposite sides of the first clamping part and the second clamping part, the non-shaft material ejecting heads on the two sides are collinear, and the non-shaft material ejecting head on one side is in transmission connection with a material roll transmission mechanism; the linear moving mechanism is associated with the first clamping part and the second clamping part; the positioning and moving mechanism is arranged on the first clamping part or the second clamping part. If the first clamping part and the second clamping part are not provided with sliding parts, the sliding on the sliding guide shaft can be finished, however, sliding friction is necessarily generated during sliding, so that the sliding resistance of the first sliding part and the second sliding part is large, the sliding process is not smooth, the clamping efficiency and the service life of the part are influenced, and therefore, the sliding part is particularly necessary to be arranged, and particularly, the effect is that the material roll with larger weight and longer width can be rolled.

A particularly advantageous embodiment is characterized in that the first clamping part and the second clamping part in the clamping and positioning unit are associated through a linear moving mechanism, so that automatic clamping of a material roll is performed through the linear moving mechanism, and the whole body is formed after clamping, so that positioning and moving are convenient, and the positioning and moving mechanism is arranged to ensure that the material roll can be accurately moved to a target position after the material roll is completely clamped, so that the clamping efficiency is improved, and the service life of the screw rod is prolonged, the labor intensity is reduced, and the positioning quality of the material roll is improved.

An advantageous feature of the clamp positioning unit in the above-described material roll clamping device is that the cutter feeding mechanism includes a primary feeding plate, a secondary feeding plate, a primary linear driving section, and a secondary linear driving section; the primary feeding plate is connected to the fixed wall plate in a sliding mode through a primary sliding portion, and the secondary feeding plate is connected to the primary feeding plate in a sliding mode through a secondary sliding portion; the primary feeding plate is associated with the fixed wall plate through the primary linear driving part, so that the primary linear driving part drives the primary feeding plate to move, and the secondary feeding plate is associated with the primary feeding plate through the secondary linear driving part, so that the secondary linear driving part drives the secondary feeding plate to move. According to the cutter holder, the cutter feeding mechanism is arranged on the fixed wall plate, and the cutter feeding mechanism is further associated with the cutter rotating assembly through the feeding mechanism, namely the cutter rotating assembly is arranged on the feeding mechanism, so that the stability of the feeding process is ensured on one hand through the multi-stage feeding of the feeding mechanism, and on the other hand, the positions of the cutter rotating assembly and a base material in the unwinding device can be enlarged through the multi-stage feeding mechanism, the automatic feeding device can conveniently enter the cutter holder, the automatic feeding and the unloading of a material roll are carried out, and the automation degree of the equipment is improved; the cutter rotating assembly is arranged on the cutter rotating assembly, so that the cutter and the base material or the product are cut by rotating the assembly during cutting, and the cutting efficiency is improved; the setting of tensioning adjustment mechanism makes its regulation of substrate accessible guarantee that the substrate is in the tensioning state all the time, has improved the quality that the substrate unreeled.

The multistage feeding assembly is arranged to achieve the propelling purpose through the one-stage propelling assembly in principle, the multistage feeding assembly is arranged to be fed in two stages in order to improve the flexibility of the cutter rotating assembly and in consideration of cost and the length of a base upper wall plate, the two-stage feeding assembly is arranged to enable the cutter rotating assembly to be adjusted through two-stage feeding while a long stable feeding stroke is obtained, the cutter rotating assembly is associated with the two-stage feeding plate, so that the feeding and retracting control of the cutter is more precise and stable, and the cutting efficiency of the cutter is improved.

In an advantageous embodiment of the present invention, the tensioning adjustment assembly includes a rotation rod and an adjustment block, the rotation rod is rotatably connected between the fixed wall boards, the adjustment blocks are respectively connected to two sides of the rotation rod, the tensioning roller is connected between the adjustment blocks, and the rotation rod is connected to a driving device, so that the rotation rod is driven to rotate by the driving device. Foretell dwang setting is at the top of its wallboard, and drive arrangement sets up on a wallboard side, and drive arrangement is connected with this dwang, orders about the dwang through drive arrangement's work and rotates, and the regulating block is fixed connection on the dwang, and the dwang rotates and must drive the regulating block and rotate, and the tensioning roller is connected on the regulating block, obviously can derive from this, when the regulating block rotates, the tensioning roller just can rotate to the tensioning process of the substrate or the product of this tensioning roller is walked around in the realization.

The structure has the advantages that the rotating rod can be a rod body with a smaller diameter, so that the driving device can be selected more freely, and the matched connecting piece connected between the rotating rod and the driving device is easier to process and has lower cost; another point lies in the regulating block and the connection of tensioning roller makes when assembly and subsequent selection are used, can freely switch over the model, size and the position of tensioning roller, and this makes its suitability higher, and the tensioning roller is fixed size under the general condition, but the size to different tensioning rollers may be chooseed for use to different frame models under the special circumstances to promote its adaptability.

In an advantageous embodiment of the present invention, the cutter rotating assembly includes a fixed plate and a rotating frame, the fixed plate is fixedly connected to the secondary feeding plate, the rotating frames are respectively rotatably connected to two ends of the fixed plate, one end of each rotating frame is connected to an installation portion for installing a cutter, and the other end of each rotating frame is connected to a driving device, so that the rotating frames are driven to rotate by the driving device. Wherein the rotating frame can be arranged into an L-shaped structure, and the fixing plate can be arranged into a '[' structure, which shortens the stroke of the cutter in the rotating process and further improves the cutting efficiency, and in particular, refer to the structure shown in FIG. 2.

The positioning moving mechanism in the unreeling machine base has the beneficial characteristics that the positioning moving mechanism comprises a screw rod and a threaded part, wherein the threaded part is arranged on the first clamping part or the second clamping part, and the screw rod is in threaded connection with the threaded part; the one end of lead screw is connected rotate on the wallboard, still the transmission is connected with a drive division on the end of lead screw, drive division fixed connection is in rotate on the wallboard, be connected with the encoder on the drive division. The positioning function is realized through the arrangement of the encoder on the driving device, the positioning precision of the material rolling device is improved, and the working quality of the whole material roll is improved.

In an advantageous embodiment of the invention, the first clamping part and the second clamping part are designed in the same structure, wherein the two clamping parts respectively comprise a first clamping wall plate and a second clamping wall plate, the first clamping wall plate and the second clamping wall plate are fixedly connected, a transmission gap is formed between the first clamping wall plate and the second clamping wall plate, and a material roll transmission mechanism for driving the shaftless material ejecting head is arranged in the transmission gap of one clamping part. The clamping part to both sides is realized through two fixed wallboard connections respectively promptly, in principle a wallboard alright in order to realize the function of wallboard, and established two wallboards in this application, and two wallboard middle parts are provided with a transmission clearance, setting up in this clearance provides installation space and stress point for drive mechanism for holistic connection structure is compacter, and meanwhile still increased the structural strength of clamping portion, this is especially important to the heavier or longer material of width of quality book.

The material roll transmission mechanism in the unreeling machine base is characterized in that the transmission mechanism comprises a motor and a transmission assembly, the motor is fixedly connected to the first clamping wall plate, an output shaft of the motor extends into the transmission gap, and a driving wheel is arranged on the output shaft of the motor; the transmission assembly comprises a transmission part and a driven part, and the transmission part is in transmission connection with the driven part and the driving wheel respectively; the transmission part comprises an intermediate transmission wheel and a transmission shaft, the intermediate transmission wheel is rotatably connected to the transmission shaft, and the transmission shaft is fixedly connected between the first clamping wallboard and the second clamping wallboard; the distance between the driving wheel and the middle driving wheel can be adjusted.

The overturning driving mechanism in the unreeling machine base is characterized by comprising a driving device, a speed reducer and a transmission chain, wherein the driving device is in driving connection with the speed reducer, the output end of the speed reducer is connected with a driving wheel, the outer ring of the overturning plate is connected with a circle of chain gears, and the driving wheel is in transmission connection with the chain gears through the transmission chain. The driving mechanism is used for driving the turnover wall board to rotate, and according to the above, a plurality of parts and material rolls are arranged on the turnover wall board, so that the whole quality of the turnover wall board is large, further, the required torsion is large, generally, in order to improve the stable rotating effect, the traditional transmission mode in the field is gear transmission or belt transmission, if the gear transmission is adopted, the machining precision of the parts is inevitably required to be improved so as to achieve the meshing between the gears and control the noise in the transmission process, the manufacturing cost of the turnover wall board is improved, and the belt transmission can cause the conditions of unstable transmission, slippage and the like for the driving with large torsion. According to the invention, transmission is carried out in a mode of the chain and the chain gear, so that the transmission is stable and has low noise, the machining precision is lower than the machining precision requirement of the gear, and the manufacturing cost is saved.

A simple feature of the above-described roll-over braking mechanism in the unreeling machine base is that, as can be seen from the above-described driving of the roll-over panel and the characteristics of the packaging device, the roll-over panel itself has a very low rotation speed during operation. The design based on the speed reducing mechanism comprises a speed reducing belt wound on an outer ring of the turnover wallboard, the two ends of the speed reducing belt are respectively connected with a first positioning device and a second positioning device, the first positioning device is fixedly connected onto a fixed wallboard, the second positioning device is connected with a linear driving device, and the linear driving device is fixedly connected onto the fixed wallboard so as to drive the second positioning device to move through the linear driving device. This makes the reduction mechanism particularly simple and easy to manufacture.

In an advantageous embodiment of the invention, the turnover wall plate is circular, and the shape can be other shapes, a circular rotating cavity is processed on the fixed wall plate for installing the circular turnover wall plate, and a plurality of limiting rotating wheels are arranged on a circle at the edge of the rotating cavity, and are in contact with the turnover disc and rotate. As can be seen in particular with reference to fig. 2.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a perspective structural view of an unwinding frame according to an embodiment of the present invention;

fig. 2 is a sectional structure view of the unwinding stand shown in fig. 1;

FIG. 3 is a structural diagram of a clamping and positioning unit in the present invention;

fig. 4 is an exploded view of a coupling structure of the first clamping part in the present invention;

FIG. 5 is a schematic view of the material roll driving mechanism of the present invention;

FIG. 6 is a schematic view of the structure of the cutter feeding mechanism of the present invention

FIG. 7 is a schematic view of the turning mechanism of the present invention;

fig. 8 is a schematic structural view of the tumble brake mechanism according to the present invention.

In the drawing, a fixed wall plate 100, a fixed support column 101, a material roll clamping assembly 200, a rotating wall plate 201, a second clamping part 202, a first clamping part 203, a first clamping wall plate 203-1, a second clamping wall plate 203-2, a sliding guide shaft 204, a material roll transmission mechanism 205, an intermediate transmission wheel 205-1, a transmission shaft 205-2, a driving wheel 205-3, a driving mechanism 206, a driving motor 206-1, a speed reducing device 206-2, a transmission chain 206-3, a braking mechanism 207, a speed reducing belt 207-1, a first positioning device 207-2, a second positioning device 207-3, a shaftless jacking head 208, a screw rod 209, a cylinder pushing device 210, a linear bearing 211, a material roll cutting assembly 300, a cutter feeding mechanism 301, a first feeding plate 301-1, a second feeding plate 301-2, a tensioning adjusting component 302, a tensioning adjusting component, A cutter rotating assembly 303, a fixed plate 303-1, a rotating frame 303-2, a mounting part 303-3 and a cutter 303-4.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Referring to fig. 1, in one embodiment of the present invention, fixed wall panels 100 are provided at two sides, fixed support columns 101 are connected between the fixed wall panels 100, and are formed into a whole by the fixed support columns 101, a material roll clamping assembly 200 is provided at one side between the fixed wall panels 100 at the two sides, and a material roll cutting assembly 300 is provided at the other side of the fixed wall panels 100; the material roll clamping assembly 200 is used for loading, unloading and clamping a material roll, and the cutting assembly is used for cutting the material after the material is unreeled to reach a target length.

The material roll clamping assembly 200 comprises a rotating wall plate 201, wherein the rotating wall plate 201 is rotatably connected to fixed wall plates 100 on two sides, two groups of clamping and positioning units are connected to the rotating wall plate 201, and a material roll device is realized through the two groups of clamping and positioning units; the material roll cutting assembly 300 comprises a cutter feeding mechanism 301 capable of moving back and forth on the fixed wall plate 100 and a cutter rotating assembly 303 connected to the cutter feeding mechanism 301 and used for mounting a cutter 303-4, in the using process, a clamping and positioning unit clamps an overhead material roll for unwinding, and another clamping unit also clamps an overhead material roll, wherein one empty clamping unit rotates to the cutter unwinding position for unwinding through rotating the wall plate 201, the other material roll waits until the material roll at the unwinding position is unwound completely, and is cut through the cutter rotating assembly 303, and after a position where enough material rolls pass is left through the cutter feeding mechanism, the waiting empty material roll rotates to the unwinding position, and the unwound material roll finishes unloading and loading of the empty material roll.

In view of the above-mentioned material roll running effect, the clamping unit includes, including sliding guide shaft 204, first clamping part 203, second clamping part 202, cylinder pushing device 210 and positioning moving mechanism, wherein sliding guide shaft 204 is fixedly connected between said rotating wall plates 201; the first clamping portion 203 and the second clamping portion 202 are respectively connected with a sliding portion, wherein the sliding portion is a linear bearing 211, in such a way, the first clamping portion 203 and the second clamping portion 202 slide along the axial direction of the sliding guide shaft 204 through the linear bearing 211; a shaftless material ejecting head 208 for clamping a material roll is respectively connected to the opposite sides of the first clamping part 203 and the second clamping part 202, the shaftless material ejecting heads 208 at the two sides are collinear, and a material roll transmission mechanism 205 is in transmission connection with the shaftless material ejecting head 208 at one side; the fixed end of the cylinder pushing device 210 is connected to the first clamping part 203, and the pushing end of the cylinder pushing device 210 is connected to the second clamping part 202, so that the connection between the cylinder pushing device and the first clamping part 203 and the second clamping part 202 is realized; the positioning and moving mechanism is provided on the first clamping portion 203 or the second clamping portion 202, and the determination of the moving position is realized by the positioning and moving mechanism.

In this embodiment, the first clamping portion 203 and the second clamping portion 202 have the same structure, and both the first clamping portion 203 and the second clamping portion 202 have the same structure, wherein the two clamping portions respectively include a first clamping wall plate 203-1 and a second clamping wall plate 203-2, the first clamping wall plate 203-1 and the second clamping wall plate 203-2 are fixedly connected, and a transmission gap is formed between the first clamping wall plate 203-1 and the second clamping wall plate 203-2; wherein the first clamping part 203 is provided with said roll driving mechanism 205 for driving said shaftless ejector head 208 within the driving gap.

In this embodiment, the material roll transmission mechanism 205 comprises a motor and a transmission component, the motor is fixedly connected to the first clamping wall plate 203-1, an output shaft of the motor extends into the transmission gap, and a driving wheel 205-3 is arranged on the output shaft of the motor; the transmission assembly comprises a transmission part and a driven part, and the transmission part is in transmission connection with the driven part and the driving wheel 205-3 respectively; the transmission part comprises an intermediate transmission wheel 205-1 and a transmission shaft 205-2, the intermediate transmission wheel 205-1 is rotatably connected to the transmission shaft 205-2, and the transmission shaft 205-2 is fixedly connected between the first clamping wall plate 203-1 and the second clamping wall plate 203-2; the distance between the driving wheel 205-3 and the intermediate transmission wheel 205-1 can be adjusted; the adjusting mode is that the connecting position of the transmission shaft 205-2 is set to be a strip-shaped hole, so that the position relation between the transmission shaft and the middle transmission wheel 205-1 can be adjusted when the transmission shaft is fixed.

In this embodiment, the positioning moving mechanism includes a screw 209 and a threaded portion, wherein the threaded portion is provided on the first clamping portion 203, and the screw 209 is screwed with the threaded portion; one end of the screw rod 209 is connected to the rotating wall plate 201, the end of the screw rod 209 is also connected with a driving part in a transmission manner, the driving part is fixedly connected to the rotating wall plate 201, and the driving part is connected with an encoder;

in view of the requirement for achieving the aforementioned material roll operation effect, the cutter feeding mechanism 301 includes a primary feeding plate, a secondary feeding plate, a primary linear driving portion, and a secondary linear driving portion; the primary feeding plate is connected to the fixed wall plate 100 through a primary sliding part in a sliding manner, and the secondary feeding plate is connected to the primary feeding plate through a secondary sliding part in a sliding manner; the first-stage feeding plate is associated with the fixed wall plate 100 through the first-stage linear driving portion, so that the first-stage linear driving portion drives the first-stage feeding plate to move, the second-stage feeding plate is associated with the first-stage feeding plate through the second-stage linear driving portion, so that the second-stage linear driving portion drives the second-stage feeding plate to move, wherein the first-stage linear driving portion and the second-stage linear driving portion are both provided with air cylinder devices, and specific connection structures of a fixed section of each air cylinder device and a push rod end are easily obtained by those skilled in the art, so that details are not repeated herein.

In this embodiment, the cutter rotating assembly 303 includes a fixed plate 303-1 and a rotating frame 303-2, the fixed plate 303-1 is fixedly connected to the secondary feeding plate, the rotating frames 303-2 are respectively and rotatably connected to two ends of the fixed plate 303-1, one end of each rotating frame 303-2 is connected to an installation portion 303-3 for installing a cutter 303-4, and the other end of each rotating frame 303-2 is connected to a driving device, so that the rotating frame 303-2 is driven to rotate by the driving device.

In this embodiment, a tensioning adjustment assembly 302 is further connected between the fixed wall boards 100 on one side of the cutting assembly, the tensioning adjustment assembly 302 includes a rotating rod and an adjustment block, the rotating rod is rotatably connected between the wall boards, the adjustment blocks are respectively connected to two sides of the rotating rod, the tensioning roller is connected between the adjustment blocks, and a driving device is connected to the rotating rod, so that the rotating rod is driven to rotate by the driving device; the tensioning adjusting assembly 302 is arranged to enable the material entering the unreeling machine base to be always in a tensioning state, so that the unreeling quality is improved.

In this embodiment, a driving mechanism 206 is disposed on the rotating wall plate 201 on one side, and a braking mechanism 207 is disposed on the rotating wall plate 201 on the other side.

In this embodiment, the driving mechanism 206 includes a driving motor 206-1, a speed reducer 206-2 and a transmission chain 206-3, the driving device is in driving connection with the speed reducer 206-2, the output end of the speed reducer 206-2 is connected with a driving wheel 205-3, the outer ring of the rotating wall plate 201 is connected with a circle of chain gears, and the driving wheel 205-3 is in transmission connection with the chain gears through the transmission chain 206-3; the sprocket root circle diameter is larger than the root circle diameter of the drive wheel 205-3 so that a secondary reduction is provided by the drive connection between the drive means, the reduction means 206-2 and the rotating wall plate 201.

In this embodiment, the braking mechanism 207 includes a deceleration strip 207-1 disposed on an outer ring of the rotating wall plate 201, the deceleration strip 207-1 has a first positioning device 207-2 and a second positioning device 207-3 connected to two ends thereof, wherein the first positioning device 207-2 and the second positioning device 207-3 are structurally identical, the first positioning device 207-2 is fixedly connected to the fixed wall plate 100, the second positioning device 207-3 is connected to an air cylinder pulling device, and the air cylinder pulling device is fixedly connected to the fixed wall plate 100, so that the air cylinder pulling device drives the second positioning device 207-3 to move, and the deceleration strip 207-1 is tightened to achieve deceleration.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The utility model provides a multistation unreels frame, includes two relative fixed wallboard (100) that set up be provided with between the fixed wallboard and be used for connecting into an organic whole a plurality of fixed stay posts of fixed wallboard in both sides, its characterized in that still includes:

the material roll clamping assembly (200) is used for loading, unloading and clamping a material roll; and

the material roll cutting assembly (300) is used for cutting the base material after the base material on the material roll is unreeled to a target length;

the material roll clamping assembly comprises rotating wallboards (201), the rotating wallboards are respectively and rotatably connected to the fixed wallboards, at least two groups of clamping and positioning units are uniformly arranged between the rotating wallboards in an array manner, and at least one group of positioning and clamping units in the clamping and positioning units always clamps a material roll for maintaining unreeling work, so that the material is always unreeled by the material roll;

the material roll cutting assembly is located on one side of the material roll clamping assembly and comprises a cutter feeding mechanism (301) and a cutter rotating assembly (303), the cutter feeding mechanism is connected to the fixed wall plate in a sliding mode, and the cutter rotating assembly is connected to the cutter feeding mechanism so that the cutter rotating assembly is driven by the cutter feeding mechanism to slide in use, and the cutter rotating assembly is fed and withdrawn.

2. The multi-station unreeling machine base as claimed in claim 1, wherein: each clamping and positioning unit comprises:

the sliding guide shaft is fixedly connected between the rotating wallboards;

a first clamping part (203) and a second clamping part (202), wherein sliding parts are respectively connected to the first clamping part and the second clamping part, so that the first clamping part and the second clamping part can slide along the axial direction of the sliding guide shaft through the sliding parts; the non-shaft material ejecting heads for clamping the material roll are respectively connected to the opposite sides of the first clamping part and the second clamping part, the non-shaft material ejecting heads on the two sides are collinear, and a material roll transmission mechanism is in transmission connection with the non-shaft material ejecting head on one side;

a linear movement mechanism associated with the first clamping portion and the second clamping portion; and

and the positioning moving mechanism is arranged on the first clamping part or the second clamping part.

3. The multi-station unwinding stand according to claim 1, wherein: the cutter feeding mechanism comprises a primary feeding plate, a secondary feeding plate, a primary linear driving part and a secondary linear driving part; the primary feeding plate is connected to the fixed wall plate in a sliding mode through a primary sliding portion, and the secondary feeding plate is connected to the primary feeding plate in a sliding mode through a secondary sliding portion; the primary feeding plate is associated with the fixed wall plate through the primary linear driving part, so that the primary linear driving part drives the primary feeding plate to move, and the secondary feeding plate is associated with the primary feeding plate through the secondary linear driving part, so that the secondary linear driving part drives the secondary feeding plate to move.

4. The multi-station unreeling machine base as claimed in claim 3, wherein: cutter runner assembly includes fixed plate and rotating turret, fixed plate fixed connection be in on the second grade feeding plate, the rotating turret rotates respectively to be connected on the both ends of fixed plate, each one of rotating turret serves and is connected with the installation department that is used for installing the cutter, each be connected with drive arrangement on the other end of rotating turret, so that the rotating turret is ordered about the rotation by drive arrangement.

5. The multi-station unwinding stand according to claim 2, wherein: the positioning moving mechanism comprises a screw rod and a threaded part, the threaded part is arranged on the first clamping part or the second clamping part, and the screw rod is in threaded connection with the threaded part; one end of the screw rod is connected to the rotating wallboard, a driving part is connected to the end of the screw rod in a transmission mode, the driving part is fixedly connected to the rotating wallboard, and an encoder is connected to the driving part.

6. The multi-station unreeling machine base as claimed in claim 2, wherein: the material roll transmission mechanism comprises:

the motor is fixedly connected to the first clamping wall plate, an output shaft of the motor extends into the transmission gap, and a driving wheel is arranged on the output shaft of the motor; and

the transmission assembly comprises a transmission part and a driven part, and the transmission part is in transmission connection with the driven part and the driving wheel respectively; the transmission part comprises an intermediate transmission wheel and a transmission shaft, the intermediate transmission wheel is rotatably connected to the transmission shaft, and the transmission shaft is fixedly connected between the first clamping wallboard and the second clamping wallboard; the distance between the driving wheel and the middle driving wheel can be adjusted.

7. The multi-station unreeling machine base as claimed in claim 2, wherein: the first clamping portion comprises a first clamping wallboard and a second clamping wallboard, the first clamping wallboard is fixedly connected with the second clamping wallboard, a transmission gap is formed between the first clamping wallboard and the second clamping wallboard, and a material winding transmission mechanism used for driving the shaftless jacking head is arranged in the transmission gap.

8. The multi-station unreeling machine base as claimed in claim 1, wherein: roll up material and cut assembly and still include tensioning adjusting part (302), tensioning adjusting part includes dwang, regulating block, the dwang rotates to be connected between the wallboard, the both sides at the dwang are connected respectively to the regulating block, the tensioning roller is connected between the regulating block, be connected with a drive arrangement on the dwang, so that pass through drive arrangement drive dwang rotates.

9. The multi-station unreeling machine base as claimed in claim 1, wherein: the rotating wall plate is connected with a driving mechanism, so that the rotating wall plate is driven to rotate through the driving mechanism.

10. The multi-station unwinding stand according to claim 1, wherein: and the wall plate is connected with a braking mechanism for realizing the speed reduction of the rotation of the rotating wall plate through the braking mechanism.