CN220392787U

CN220392787U - Automatic paper receiving device

Info

Publication number: CN220392787U
Application number: CN202321784224.7U
Authority: CN
Inventors: 许立国
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-01-26
Anticipated expiration: 2033-07-07

Abstract

The utility model provides an automatic paper receiving device, relates to the technical field of roll paper production equipment, and solves the technical problem of automatic paper receiving. The utility model comprises a bearing frame, a coil changing mechanism, a paper receiving mechanism, a buffer paper feeding mechanism and a control system, wherein the coil changing mechanism, the paper receiving mechanism and the buffer paper feeding mechanism are arranged on the bearing frame; the coil changing mechanism is provided with a large paper disc positioning groove and a small paper disc positioning groove positioned above the large paper disc positioning groove and is used for conveying large paper discs to the small paper disc positioning groove from the large paper disc positioning groove when the small paper discs with set diameters are used; the paper receiving mechanism is used for seamlessly bonding the end part of the small paper disc positioning groove and the end part of the large paper disc positioning groove; the buffer paper feeding mechanism is used for ensuring continuous paper tape supply for subsequent production equipment when the paper receiving mechanism performs bonding operation; the roll changing mechanism, the paper receiving mechanism and the buffer paper feeding mechanism are respectively and electrically connected with the control system.

Description

Automatic paper receiving device

Technical Field

The utility model relates to the technical field of roll paper production equipment, in particular to an automatic paper receiving device.

Background

In the paper tube paper corner protector industry, paper receiving is an extremely important link, and the quality and the production efficiency of products are directly affected. At present, in the stock form production, mostly adopt artifical paper, artifical paper that connects has a great deal of disadvantage, and artifical paper that connects needs many people to cooperate the operation, wastes time and energy, and is higher to operating personnel professional skill requirement, and the concatenation inefficiency, moreover, under the state of production facility high-speed operation, the concatenation department hardly connects the level and smooth, seriously influences the quality of product, causes the wasting of resources. If the production equipment is subjected to deceleration treatment, the subsequent production equipment is stopped, the paper tape transmission speed is inconsistent, a large number of defective products and even waste products are easy to generate, and the good product effect is low.

Disclosure of Invention

The utility model aims to provide an automatic paper receiving device, which solves the technical problems of manual paper receiving mode, requirement for multiple people to cooperate operation, time and labor waste, high requirements on professional skills of operators, low splicing efficiency and low production efficiency in the prior art _。 The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an automatic paper receiving device, which comprises a bearing frame, a roll changing mechanism, a paper receiving mechanism, a buffer paper feeding mechanism and a control system, wherein the roll changing mechanism, the paper receiving mechanism and the buffer paper feeding mechanism are arranged on the bearing frame;

the coil changing mechanism is provided with a large paper disc positioning groove and a small paper disc positioning groove positioned above the large paper disc positioning groove and is used for conveying small paper discs with set diameters from the large paper disc positioning groove to the small paper disc positioning groove;

the paper receiving mechanism is used for seamlessly bonding the end part of the small paper disc positioning groove and the end part of the large paper disc positioning groove;

the buffer paper feeding mechanism is used for ensuring continuous paper tape supply for subsequent production equipment when the paper receiving mechanism performs bonding operation;

the roll changing mechanism, the paper receiving mechanism and the buffer paper feeding mechanism are respectively and electrically connected with the control system.

Preferably, the roll changing mechanism comprises a roll changing cylinder, a roll changing support arm, a buffer support arm and an arc-shaped track, one end of the roll changing support arm is hinged with the bearing frame, the other end of the roll changing support arm extends towards the feeding end of the bearing frame and is provided with a large paper disc positioning groove, the upper end of the arc-shaped track is provided with a small paper disc positioning groove, the roll changing support arm is driven by the roll changing cylinder, so that the free end of the roll changing support arm rotates around the hinged end of the roll changing support arm along the arc-shaped track, and the small paper disc positioned in the large paper disc positioning groove is conveyed to the small paper disc positioning groove;

preferably, the paper receiving mechanism comprises a paper receiving platform, a glue pressing roller, a paper receiving push roller, a positioning roller, a tail paper pressing plate and a cutting assembly which are arranged on the paper receiving platform, a paper receiving position is formed by the paper receiving platform between the glue pressing roller and the paper receiving push roller, a gap between the glue pressing roller and the paper receiving platform is adjustable, the glue pressing roller moves towards or away from the paper receiving push roller through a first adjusting assembly, the positioning roller, a third limiting rod and the cutting assembly are sequentially arranged above the paper receiving position from top to bottom along the vertical direction, the positioning roller and the tail paper pressing plate are relatively arranged to form a clamping channel through which small disc paper positioned in a small paper disc positioning groove passes, and the angle of the tail paper pressing plate relative to the positioning roller is adjustable;

preferably, the roll-over paper roll is connected with the bearing frame through a turnover assembly, a guide rail and a sliding block respectively, and is in an open state when the roll-changing mechanism performs roll-changing operation, so as to provide a passage for the small bobbin paper tape to pass through;

preferably, the first adjusting component comprises a first guide rail, a first sliding block and a sliding cylinder, the first guide rail is parallel to the paper feeding direction, the first sliding block is fixedly connected with the glue pressing roller, and the sliding cylinder drives the first sliding block to drive the glue pressing roller to move towards or away from the paper receiving push roller;

preferably, the buffer paper feeding mechanism comprises a fixed pulley block, a movable pulley block and a second adjusting component for adjusting the relative positions of the movable pulley block and the fixed pulley block along the vertical direction, the fixed pulley block and the movable pulley block are arranged in a staggered manner, and the paper tape can sequentially and alternately bypass the fixed pulley block and the movable pulley block;

preferably, the second adjusting component comprises a second guide rail, a second sliding block, a buffer cylinder, a buffer spring, a first mounting plate and a second mounting plate parallel to the first mounting plate, wherein the second guide rail is vertically arranged on the bearing frame, the first mounting plate is used for mounting the fixed pulley block, the second mounting plate is used for mounting the movable pulley block, two ends of the second mounting plate are respectively in sliding connection with the second guide rail through the second sliding block, the second mounting plate is driven by the buffer cylinder, so that the second mounting plate drives the movable pulley block to move towards or away from the fixed pulley block, and the buffer spring is positioned below the second mounting plate;

preferably, the paper tape reversing roller is positioned between the paper receiving mechanism and the buffer paper feeding mechanism, and is used for converting the conveying direction of the paper tape, and the central axis of the paper tape reversing roller is parallel to the central axis of the glue pressing roller and is perpendicular to the central axis of the fixed pulley block;

preferably, the roll changing mechanism further comprises a buffer assembly located at the upper end of the arc-shaped track, the buffer assembly comprises a buffer support arm, a third sliding block and a third guide rail which are sequentially connected from top to bottom, the trend of the third guide rail is parallel to the paper feeding direction, and when the roll changing support arm conveys the small paper tray located in the large paper tray locating slot to the small paper tray locating slot, the outer wall of the buffer support arm is abutted with the peripheral arm of the small paper tray to drive the buffer support arm to drive the third sliding block to move along the third guide rail;

preferably, the tray positioning device further comprises a first detection sensor and a second detection sensor, wherein the first detection sensor is used for detecting whether the large tray positioned in the large tray positioning groove is used for setting the diameter, the second detection sensor is used for detecting whether the small tray positioned in the small tray positioning groove is used for being depleted, and the first detection sensor and the second detection sensor are electrically connected with the control system.

The preferred technical scheme of the utility model can at least have the following technical effects:

the utility model effectively avoids the technical problems of manual paper receiving mode, requirement of multiple people for cooperation operation, time and labor waste, high requirement on professional skills of operators, low splicing efficiency and low production efficiency in the prior art. The utility model comprises a bearing frame, a coil changing mechanism, a paper receiving mechanism, a buffer paper feeding mechanism and a control system, wherein the coil changing mechanism, the paper receiving mechanism and the buffer paper feeding mechanism are arranged on the bearing frame; the coil changing mechanism is provided with a large paper disc positioning groove and a small paper disc positioning groove positioned above the large paper disc positioning groove and is used for conveying small paper discs with set diameters from the large paper disc positioning groove to the small paper disc positioning groove; the paper receiving mechanism is used for seamlessly bonding the end part of the small paper disc positioning groove and the end part of the large paper disc positioning groove; the buffer paper feeding mechanism is used for ensuring continuous paper tape supply for subsequent production equipment when the paper receiving mechanism performs bonding operation; the roll changing mechanism, the paper receiving mechanism and the buffer paper feeding mechanism are respectively and electrically connected with the control system. When the big paper disc located big paper disc constant head tank uses the little bobbin paper of settlement diameter, carry little paper disc to little paper disc constant head tank through the mechanism of changing rolls, then, the mechanism of changing rolls resets, place big paper disc constant head tank with the big paper disc of new, make the head of big paper disc and the afterbody of little paper disc bond at paper receiving mechanism, realized automatic paper, replace artifical paper that connects, splice efficiency is high, splice effect is good, the yields is high, production efficiency has been improved, splice time has been saved. And the buffer paper feeding mechanism continuously provides paper tapes for subsequent production equipment, so that the subsequent production equipment can normally operate in the bonding process of the large paper disc and the small paper disc.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an automatic paper receiving device according to the present utility model;

FIG. 2 is a schematic view of a paper receiving mechanism of an automatic paper receiving device according to the present utility model;

fig. 3 is a schematic structural diagram of a buffer paper feeding mechanism of an automatic paper receiving device according to the present utility model.

In the figure:

1-a carrying frame;

2-a roll changing mechanism; 21-a roll changing cylinder; 22-a reel changing support arm; 221-a large paper disc positioning groove; 23-arc track; 231-small tray positioning slot; 24-a buffer arm; 25-a third slider; 26-a third rail;

3-a paper receiving mechanism; 31-a first fixed guide roller; 32-dynamic guide rollers; 33-a first stop lever; 34-glue pressing paper roll; 35-a paper receiving push roller; 36-a horizontal platen; 37-a second stop lever; 38-a second fixed guide roller; 39-positioning rollers; 310-a third limit rod; 311-a cutting assembly; 312-a first rail; 313-a first slider; 314-a first flipping assembly; 315-a second flipping assembly; 316-tail paper pressing plate; 317-paper receiving bracket;

4-buffering paper feeding mechanism; 41-fixed pulley blocks; 411-fixed pulley; 42-movable pulley block; 421-movable pulleys; 43-a second rail; 44-a second slider; 45-buffer cylinder; 46-a buffer spring; 47-a first mounting plate; 48-a second mounting plate;

5-paper tape reversing roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

As shown in fig. 1-3, the present utility model provides an automatic paper receiving device, which comprises a bearing frame 1, a roll changing mechanism 2, a paper receiving mechanism 3, a buffer paper feeding mechanism 4 and a control system, wherein the roll changing mechanism 2, the paper receiving mechanism 3 and the buffer paper feeding mechanism 4 are arranged on the bearing frame 1. The roll changing mechanism 2 has a large tray positioning groove 221 and a small tray positioning groove 231 forming a right angle with the large tray positioning groove 221, and the roll changing mechanism 2 is configured to convey small sheets of paper used to a set diameter from the large tray positioning groove 221 to the small tray positioning groove 231. The sheet receiving mechanism 3 is configured to seamlessly bond the end of the small sheet in the small sheet tray positioning groove 231 and the end of the large sheet in the large sheet tray positioning groove 221. The buffer paper feeding mechanism 4 is used for ensuring continuous paper tape supply for subsequent production equipment when the paper receiving mechanism 3 performs bonding operation. The reel changing mechanism 2, the paper receiving mechanism 3 and the buffer paper feeding mechanism 4 are respectively and electrically connected with the control system. When being located big paper tray constant head tank 221 and will use the little paper tray of settlement diameter, carry little paper tray to little paper tray constant head tank 231 through reel change mechanism 2, then, reel change mechanism 2 resets, place big paper tray constant head tank 221 with new big paper tray, make the head of big paper tray and the afterbody of little paper tray seamless bonding at paper receiving mechanism 3, realized automatic paper receiving, replace artifical paper receiving, splice efficiency is high, splice effect is good, the yields is high, production efficiency has been improved, splice time has been saved. Furthermore, the buffer paper feeding mechanism 4 continuously provides paper tapes for subsequent production equipment, and ensures that the subsequent production equipment normally operates in the bonding process of the large paper disc and the small paper disc.

As an alternative embodiment, as shown in fig. 1, the roll changing mechanism 2 includes a roll changing cylinder 21, a roll changing support arm 22 and an arc-shaped track 23, one end of the roll changing support arm 22 is hinged with the bearing frame 1, the other end extends to the feeding end of the bearing frame 1 and is provided with a large paper disc positioning groove 221, the upper end of the arc-shaped track 23 is provided with a small paper disc positioning groove 231, and a telescopic rod of the roll changing cylinder 21 is hinged with the roll changing support arm 22. The reel changing support arm 22 is driven by the reel changing cylinder 21, and the telescopic rod of the reel changing cylinder 21 stretches to push the reel changing support arm 22, so that the free end of the reel changing support arm 22 rotates around the hinged end of the reel changing support arm along the arc-shaped track 23, and the small paper tray with the set diameter and used in the large paper tray positioning groove 221 is conveyed to the small paper tray positioning groove 231.

As an alternative embodiment, as shown in fig. 1, the reel changing mechanism 2 further includes a buffer assembly located at the upper end of the arc track 23, where the buffer assembly includes a buffer support arm 24, a third slider 25 and a third guide rail 26 sequentially connected from top to bottom, the direction of the third guide rail 26 is parallel to the paper feeding direction, when the reel changing support arm 22 conveys the small paper tray located in the large paper tray positioning slot 221 to the small paper tray positioning slot 231, the outer wall of the buffer support arm 24 abuts against the peripheral arm of the small paper tray, and the buffer support arm 24 is driven to drive the third slider 25 to move along the third guide rail 26, so as to realize the buffer operation in the reel changing process, ensure the safety and stability of the reel changing process, and improve the service life of the device.

As an alternative embodiment, the tray positioning device further comprises a first detection sensor and a second detection sensor, wherein the first detection sensor is used for detecting whether the large tray positioned in the large tray positioning groove 221 is used for setting the diameter, the second detection sensor is used for detecting whether the small tray positioned in the small tray positioning groove 231 is used up, and the first detection sensor and the second detection sensor are electrically connected with the control system. The first detection sensor and the second detection sensor may employ a photoelectric sensor to reflect a beam of light to the large tray of the large tray positioning groove 221 and the small tray of the small tray positioning groove 231, and determine whether the large tray and the small tray reach a preset position according to a change in the amount of return light.

As an alternative embodiment, as shown in fig. 2, the paper receiving mechanism 3 is located between the large paper tray positioning groove 221 and the small paper tray positioning groove 231, and includes a paper receiving bracket, and a first fixed guide roller 31, a dynamic guide roller 32, a first stop lever 33, a glue roller 34, a paper receiving push roller 35, a horizontal pressing plate 36, a second stop lever 37, a second fixed guide roller 38, a positioning roller 39, a tail paper pressing plate 316, a third stop lever 310, and a cutting assembly 311, which are provided on the paper receiving bracket. The paper receiving bracket is provided with a paper receiving platform 317, a glue pressing roller 34, a paper receiving push roller 35, a horizontal pressing plate 36, a second limiting rod 37, a second fixed guide roller 38, a positioning roller 39, a tail paper pressing plate 316, a third limiting rod 310 and a cutting assembly 311 are arranged on the paper receiving platform, a paper receiving position is formed between the glue pressing roller 34 and the paper receiving push roller 35, and the tail end of small coil paper and the head end of large coil paper are adhered at the paper receiving position. The glue roller 34 plays a guiding role in the normal paper feeding process, and can press the head end of the large paper onto the paper receiving platform 317 in the paper receiving process. The glue roller 34 is moved toward or away from the pick-up push roller 35 by a first adjustment assembly. The paper receiving push roller 35 plays a guiding role in the normal paper feeding process, and can press-connect the spliced part in the paper receiving process. The first fixed guide roller 31, the dynamic guide roller 32, the first limit rod 33, the glue pressing roller 34, the paper receiving push roller 35, the horizontal pressing plate 36, the second limit rod 37 and the second fixed guide roller 38 are sequentially arranged in parallel along the horizontal conveying direction, and play a role in guiding paper tapes. The dynamic guide roller 32, the glue pressing roller 34, the paper receiving push roller 35 and the horizontal pressing plate 36 can all act through the driving of the power assembly, the horizontal pressing plate 36 moves towards or away from the paper receiving platform through the driving of the power assembly, and the first fixed guide roller 31 is positioned at the feeding end of the bearing frame 1. The positioning roller 39, the third limiting rod 310 and the cutting assembly 311 are sequentially arranged above the paper receiving position from top to bottom along the vertical direction, the positioning roller 39 and the third limiting rod 310 can be driven by the power assembly to rotate, and the cutting assembly 311 is driven by the power assembly to perform cutting action. The positioning roller 39 and the tail paper pressing plate 316 are oppositely arranged to form a clamping channel through which small paper passes, the tail paper pressing plate 316 is driven by a power assembly to rotate relative to the positioning roller 39, and when the roll changing mechanism 2 works, the tail paper pressing plate 316 rotates in a direction away from the positioning roller 39, so that the clamping channel is opened, and paper strips of the small paper enter the clamping channel. When the paper receiving mechanism 3 works, the tail paper pressing plate 316 rotates towards the direction close to the positioning roller 39 to clamp the paper tape of the small bobbin paper, so that the tail paper is prevented from influencing normal production. The power components are electrically connected with the control system, and the working process of the power components is the prior art, which is not repeated.

As an alternative embodiment, as shown in fig. 2, the dynamic guiding roller 32 is connected to the carrying frame 1 through the first overturning assembly 314, and when the reel changing mechanism 2 performs a reel changing operation, the first overturning assembly 314 drives the free end of the dynamic guiding roller 32 to overturn towards the direction away from the carrying frame 1 to form a reel changing channel for the paper tape of the small paper disc to pass through, so that the limitation on the paper tape of the small paper disc located at the dynamic guiding roller 32 is released. The glue pressing roller 34 is connected with the bearing frame 1 through the second overturning assembly 315, and when the roll changing mechanism 2 carries out roll changing operation, the second overturning assembly 315 drives the free end of the glue pressing roller 34 to overturn towards the direction away from the bearing frame 1 to form a roll changing channel for the paper tape of the small paper roll to pass through, so that the limitation on the paper tape of the small paper roll at the glue pressing roller 34 is relieved. The structure and the working process of the first flipping component 314 and the second flipping component 315 adopt the prior art, which is not described herein.

As an alternative embodiment, as shown in fig. 2, the first adjusting component includes a first guide rail 312, a first slider 313, and a sliding cylinder, where the first guide rail 312 is parallel to the paper feeding direction, the first slider 313 is fixedly connected to the glue roller 34 through the second overturning component 315, and the sliding cylinder drives the first slider 313 to drive the glue roller 34 to move toward or away from the paper receiving push roller 35. The head of the large paper disc and the tail of the small paper disc are bonded more stably by the reciprocating movement of the glue pressing roller 34, and the splicing effect is good.

As an alternative embodiment, as shown in fig. 1 and 3, the buffer paper feeding mechanism 4 includes a fixed pulley block 41, a movable pulley block 42 and a second adjusting component for adjusting the relative positions of the movable pulley block 42 and the fixed pulley block 41 along the vertical direction, the fixed pulley block 41 and the movable pulley block 42 are arranged in a staggered manner, and paper tapes can sequentially and alternately bypass the fixed pulley block 41 and the movable pulley block 42, so that the conveying distance of the paper tapes is greatly prolonged.

As an alternative embodiment, as shown in fig. 3, the second adjusting component includes a second guide rail 43, a second slider 44, a buffer cylinder 45, a buffer spring 46, a first mounting plate 47 and a second mounting plate 48 parallel to the first mounting plate 47, where the second guide rail 43 is vertically disposed on the bearing frame 1, the first mounting plate 47 is used for mounting the fixed pulley block 41, the second mounting plate 48 is used for mounting the movable pulley block 42, two ends of the second mounting plate 48 are respectively slidably connected with the second guide rail 43 through the second slider 44, and the second mounting plate 48 is driven by the buffer cylinder 45, so that the second mounting plate 48 drives the movable pulley block 42 to move towards or away from the fixed pulley block 41, the buffer spring 46 is located below the second mounting plate 48, and plays a certain limiting role on the second mounting plate 48, so as to ensure that the second mounting plate 48 moves downward safely and reliably. When the paper receiving operation is carried out, the second mounting plate 48 drives the movable pulley block 42 to move towards the fixed pulley block 41 along the second guide rail 43 by driving the buffer air cylinder 45, so that the paper tape conveying stroke of the buffer paper feeding mechanism 4 is shortened, the paper tape is continuously provided for subsequent production equipment, and the normal operation of the subsequent production equipment in the bonding process of the large paper disc and the small paper disc is ensured.

As an alternative embodiment, as shown in fig. 1, the paper tape reversing roller 5 is further included between the paper receiving mechanism 3 and the buffer paper feeding mechanism 4, the paper tape reversing roller 5 is located below the movable pulley block 42, the paper tape reversing roller 5 is used for converting the conveying direction of the paper tape, and the central axis of the paper tape reversing roller 5 is parallel to the central axis of the glue pressing roller 34 and perpendicular to the central axis of the fixed pulley 411 of the fixed pulley block 41.

As an alternative embodiment, the paper receiving mechanism 3 further comprises a safety protection switch for protecting the running safety of the paper receiving mechanism 3, and the danger caused by misoperation of equipment can be avoided during operation.

As an alternative implementation mode, the automatic reel changing device also comprises a manual reel changing switch and a manual paper receiving switch, so that a user can manually change reels and manually receive paper at any time.

The utility model provides a work flow of an automatic paper receiving device, which comprises the following steps:

(1) When the first detection sensor detects that the large sheet positioned in the large sheet tray positioning groove 221 is consumed to a set diameter, the trailing sheet pressing plate 316 and the dynamic guide roller 32 are opened;

(2) The roll changing cylinder 21 pushes the roll changing support arm 22 to enable the free end of the roll changing support arm 22 to rotate around the hinged end of the roll changing support arm along the arc-shaped track 23, and the small paper disc which is positioned in the large paper disc positioning groove 221 and used to the set diameter is conveyed to the small paper disc positioning groove 231;

(3) The tail paper pressing plate 316 and the dynamic guide roller 32 are reset, and paper tapes of the small paper disc sequentially pass through the clamping channel and are downwards pulled to the lower roller surface of the paper receiving push roller 35 to continue paper tape conveying;

(4) The new large paper disc is placed into the large paper disc positioning groove 221, the adhesive tape is adhered to the head end of the large paper disc according to requirements, the new large paper disc sequentially passes through the first fixed guide roller 31, the dynamic guide roller 32, the first limiting rod 33 and the adhesive tape pressing roller 34 to enter a paper receiving position, a paper receiving button is started, and the adhesive tape pressing roller presses the paper tape of the large paper disc to enter a to-be-connected state;

(5) When the second detection sensor detects that the small paper disc positioned in the small paper disc positioning groove 231 is exhausted, the horizontal pressing plate 36 and the tail paper pressing plate 316 rotate towards the positioning roller 39 to clamp the paper tape, the cutting assembly 311 is started to cut off the paper tape positioned in the cutting channel;

(6) The paper receiving push roller 35 acts to drive the tail end of the small bobbin paper tape to be pressed on the rubber tape positioned below the large bobbin paper tape at the paper receiving position;

(7) The glue pressing roller 34 acts to press the adhesive tape above the splicing position to the splicing position of the tail end of the small bobbin paper tape and the head end of the large bobbin paper tape to finish the paper splicing work.

The working flow of the normal paper feeding operation of the device is as follows: the large paper disc is placed into the large paper disc positioning groove 221, paper tapes of the large paper disc are fed from the upper roller surface of the first fixed guide roller 31, sequentially pass through the lower roller surface of the dynamic guide roller 32, the upper roller surface of the first limiting rod 33, the lower roller surface of the glue pressing roller 34, the lower roller surface of the paper receiving push roller 35, the lower end surface of the horizontal pressing plate 36, the upper roller surface of the second limiting rod 37 and the upper roller surface of the second fixed guide roller 38, then are pulled downwards, are converted into directions by the paper tape reversing roller 5, sequentially and alternately bypass the fixed pulley 411 and the movable pulley 421, and finally are pulled into subsequent production equipment through the upper roller surface of the fixed pulley 411 positioned at the outermost side.

It is to be understood that the same or similar parts in the above embodiments may be referred to each other, and that in some embodiments, the same or similar parts in other embodiments may be referred to.

In the description of the present utility model, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", etc., refer to an orientation or positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

In the description of the present specification, a description referring to the terms "one embodiment," "some embodiments," "examples," "specific examples," or "one example" etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The automatic paper receiving device is characterized by comprising a bearing frame, a roll changing mechanism, a paper receiving mechanism, a buffer paper feeding mechanism and a control system, wherein the roll changing mechanism, the paper receiving mechanism and the buffer paper feeding mechanism are arranged on the bearing frame;

the coil changing mechanism is provided with a large paper disc positioning groove and a small paper disc positioning groove positioned above the large paper disc positioning groove, and is used for conveying large paper discs to the small paper disc positioning groove from the large paper disc positioning groove when the large paper discs are used for small paper discs with set diameters;

2. The automatic paper receiving device according to claim 1, wherein the roll changing mechanism comprises a roll changing cylinder, a roll changing support arm, a buffer support arm and an arc-shaped track, one end of the roll changing support arm is hinged with the bearing frame, the other end of the roll changing support arm extends towards the feeding end of the bearing frame and is provided with a large paper disc positioning groove, the upper end of the arc-shaped track is provided with a small paper disc positioning groove, the roll changing support arm is driven by the roll changing cylinder, so that the free end of the roll changing support arm rotates around the hinged end of the roll changing support arm along the arc-shaped track, and the small paper disc with the set diameter, which is used in the large paper disc positioning groove, is conveyed to the small paper disc positioning groove.

3. The automatic paper receiving device according to claim 1, wherein the paper receiving mechanism comprises a paper receiving platform, a glue pressing roller, a paper receiving push roller, a positioning roller, a tail paper pressing plate and a cutting assembly which are arranged on the paper receiving platform, the paper receiving platform between the glue pressing roller and the paper receiving push roller forms a paper receiving position, the glue pressing roller moves towards or away from the paper receiving push roller through a first adjusting assembly, the positioning roller, a third limiting rod and the cutting assembly are sequentially arranged above the paper receiving position from top to bottom in the vertical direction, the positioning roller and the tail paper pressing plate are relatively provided with a clamping channel for passing small disc paper positioned in a small paper disc positioning groove, and the angle of the tail paper pressing plate relative to the positioning roller is adjustable.

4. An automatic paper receiving device according to claim 3, wherein the roll of glue pressing paper is connected with the bearing frame through the turnover assembly, the guide rail and the sliding block respectively, and is in an opened state when the roll changing mechanism performs roll changing operation, so as to provide a roll changing channel of small coil paper.

5. The automatic paper receiving device according to claim 4, wherein the first adjusting assembly comprises a first guide rail, a first sliding block and a sliding cylinder, the first guide rail is parallel to the paper feeding direction, the first sliding block is connected with the glue pressing roller through the overturning assembly, and the sliding cylinder drives the first sliding block to drive the glue pressing roller to move towards or away from the paper receiving push roller.

6. An automatic paper receiving device according to claim 3, wherein the buffer paper feeding mechanism comprises a fixed pulley block, a movable pulley block and a second adjusting component for adjusting the relative positions of the movable pulley block and the fixed pulley block along the vertical direction, the fixed pulley block and the movable pulley block are arranged in a staggered manner, and the paper tape can sequentially and alternately bypass the fixed pulley block and the movable pulley block.

7. The automatic paper receiving device according to claim 6, wherein the second adjusting assembly comprises a second guide rail, a second sliding block, a buffer cylinder, a buffer spring, a first mounting plate and a second mounting plate parallel to the first mounting plate, the second guide rail is vertically arranged on the bearing frame, the first mounting plate is used for mounting the fixed pulley block, the second mounting plate is used for mounting the movable pulley block, two ends of the second mounting plate are respectively connected with the second guide rail in a sliding manner through the second sliding block, the second mounting plate is driven by the buffer cylinder, the movable pulley block is driven by the second mounting plate to move towards or away from the fixed pulley block, and the buffer spring is located below the second mounting plate.

8. The automatic paper receiving device according to claim 6, further comprising a paper tape reversing roller located between the paper receiving mechanism and the buffer paper feeding mechanism, wherein the paper tape reversing roller is used for converting the conveying direction of the paper tape, and the central axis of the paper tape reversing roller is parallel to the central axis of the glue pressing roller and perpendicular to the central axis of the fixed pulley block.

9. The automatic paper receiving device according to claim 2, wherein the paper changing mechanism further comprises a buffer assembly located at the upper end of the arc-shaped track, the buffer assembly comprises a buffer support arm, a third sliding block and a third guide rail which are sequentially connected from top to bottom, the trend of the third guide rail is parallel to the paper feeding direction, and when the paper changing support arm conveys the small paper tray located in the large paper tray locating groove to the small paper tray locating groove, the outer wall of the buffer support arm is abutted with the peripheral arm of the small paper tray to drive the buffer support arm to drive the third sliding block to move along the third guide rail.

10. The automatic paper receiving device according to claim 2, further comprising a first detection sensor and a second detection sensor, wherein the first detection sensor is used for detecting whether a large paper tray positioned in the large paper tray positioning groove is used for setting a diameter, the second detection sensor is used for detecting whether a small paper tray positioned in the small paper tray positioning groove is used completely, and the first detection sensor and the second detection sensor are electrically connected with the control system.