CN218538695U

CN218538695U - Double-station polyester film unwinding mechanism

Info

Publication number: CN218538695U
Application number: CN202223168284.4U
Authority: CN
Inventors: 邹远强; 任小龙; 王涛
Original assignee: Changzhou Juhao Electric Co ltd
Current assignee: Changzhou Juhao Electric Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-02-28
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to an insulation support processing technology field especially relates to a duplex position polyester film unwinding mechanism, including workstation and unwinding mechanism, tension mechanism and the guiding mechanism that sets gradually along the first direction, the polyester film loops through first deflector roll, tension roller and the second deflector roll in the tension mechanism, and the direction cuts the mechanism behind the third deflector roll in the rethread deflector roll. The film winding drums on the first material tray and the second material tray are driven by the power device to unreel towards the first direction, and the staggered arrangement of the first material tray and the second material tray in the second direction ensures that the winding drums on the two material trays do not interfere with each other while unreeling towards the tension mechanism synchronously; the material area volume that power device drive charging tray was once put out and is rolled out is held by tension mechanism, follows the guiding mechanism along with the film material area and derives gradually, and sharp module drive tension roller rises in step and is close to towards first deflector roll and second deflector roll, avoids once putting out the material area of rolling out overlength and appears knotting or the winding condition.

Description

Double-station polyester film unwinding mechanism

Technical Field

The utility model relates to an insulation support processing technology field especially relates to a duplex position polyester film unwinding mechanism.

Background

Polyester heat-shrinkable tubes, also known as PET heat-shrinkable tubes, are mainly used for temperature-resistant insulation and mechanical protection of welding spots, joints, electric heating elements, capacitors, relays and the like. In the production process, the coiled polyester film winding drum is continuously uncoiled, and the derived film has a certain tension value and is guided to the cutting device.

At present, automatic production equipment for manufacturing the polyester heat-shrinkable tube adopts a single-roll reel unreeling mechanism, and is matched with a cutting mechanism, a reel pipe mechanism and a welding mechanism which are sequentially arranged on one side of a production line, so that the production of the polyester heat-shrinkable tube can be realized, but the production efficiency is low; through the bilateral symmetry at the production line set up synchronous operation's reelpipe mechanism to two required feed cylinders of two sleeve pipe length of cooperation prefabrication can double promotion production efficiency, consequently need carry out the adaptability to drop feed mechanism and improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a duplex position polyester film unwinding mechanism to the defect that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a double-station polyester film unwinding mechanism comprises a workbench, and an unwinding mechanism, a tension mechanism and a guide mechanism which are sequentially arranged along a first direction, wherein the unwinding mechanism is arranged on a first support and is positioned above the tension mechanism, the tension mechanism is arranged on the side surface of the workbench through a second support, and the guide mechanism is arranged at the edge of the workbench corresponding to the tension mechanism;

the unwinding mechanism comprises a first material tray and a second material tray which are arranged in a staggered manner in a second direction, the first material tray and the second material tray are driven to rotate by a power device respectively, and the second direction is vertical to the first direction;

the tension mechanism comprises a first guide roller, a second guide roller, a tension roller and a linear module, the first guide roller and the second guide roller are fixedly arranged along a first direction, and the tension roller is positioned between the first guide roller and the second guide roller and is driven by the linear module to move along a vertical direction;

the guiding mechanism comprises a third support and a third guide roller arranged on the third support, and the third guide roller is positioned above the second guide roller.

Further, the first support comprises a first cross beam, a second cross beam and a vertical beam, wherein the first cross beam and the second cross beam are arranged in parallel in the vertical direction and are connected through the vertical beam;

the first cross beam is fixedly connected with the workbench, and the first material tray and the second material tray are respectively connected with the second cross beam through two rotating shafts in a rotating mode.

Further, the power device comprises a motor and a belt wheel assembly, wherein the motor is fixed on the second cross beam and drives the rotating shaft to rotate through the belt wheel assembly;

the belt wheel assembly comprises a first synchronizing wheel, a second synchronizing wheel and a synchronous belt, wherein the first synchronizing wheel and the second synchronizing wheel are respectively coaxial with the motor output shaft and the rotating shaft and are in transmission connection through the synchronous belt.

Furthermore, the second support comprises a connecting vertical plate, a first connecting rod and a second connecting rod, the linear module is arranged on the connecting vertical plate and comprises a guide rail arranged along the vertical direction and a sliding block connected with the guide rail in a sliding manner, and the tension roller is arranged on the sliding block;

the first guide roller and the second guide roller are respectively arranged on the first connecting rod and the second connecting rod, and two ends of the first connecting rod and the second connecting rod are respectively connected with two connecting vertical plates which are arranged in parallel.

Furthermore, the first guide roller and the second guide roller are respectively provided with two corresponding first material trays and two corresponding second material trays in the second direction;

and the two tension rollers positioned on the two linear modules are respectively arranged corresponding to the first material tray and the second material tray.

Furthermore, a plurality of detection devices are arranged on the guide rail along the length direction of the guide rail, and the detection devices are arranged at the two ends and the middle part of the stroke interval of the slide block correspondingly.

Furthermore, the detection device is set as a photoelectric switch, and a baffle is arranged on the sliding block corresponding to the detection device.

Furthermore, one end of each guide rail is fixed to the corresponding connecting vertical plate, the two guide rails on the corresponding connecting vertical plates are arranged oppositely, and the ends, far away from the corresponding connecting vertical plates, of the two guide rails are connected through a third connecting rod.

Furthermore, be close to first support connect the riser with first crossbeam fixed connection, connect the riser still through setting up the connecting block on it with the workstation links to each other.

The utility model has the advantages that:

in the application, the full-winding mylar winding drums are respectively arranged on a first material disc and a second material disc, the mylar is unwound towards a first direction under the driving of a power device, the staggered arrangement of the first material disc and the second material disc in a second direction ensures that the winding drums respectively arranged on the two material discs can be synchronously unwound towards a tension mechanism, and two guided-out mylar material belts cannot interfere with each other in the conveying process;

the material area volume that power device drive charging tray was once put out and is rolled out is held by tension mechanism, follows the guiding mechanism along with the film material area and derives gradually, and sharp module drive tension roller rises in step and is close to towards first deflector roll and second deflector roll, avoids once putting out the material area of rolling out overlength and appears knotting or the winding condition.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a middle-station mylar unwinding mechanism of the present invention;

fig. 2 is an explosion schematic diagram of the middle-double-station mylar unwinding mechanism of the present invention;

fig. 3 is a schematic structural view of the unwinding mechanism of the present invention;

fig. 4 is a schematic structural view of the middle tension mechanism of the present invention;

FIG. 5 is an enlarged view of a portion of the structure at A in FIG. 4;

fig. 6 is a schematic view of the middle double-station mylar unwinding mechanism of the present invention.

Reference numerals: 1. a work table; 11. a first bracket; 111. a first cross member; 112. a second cross member; 113. erecting a beam; 12. a second bracket; 121. connecting a vertical plate; 122. a detection device; 123. a baffle plate; 124. a first link; 125. a second link; 126. a third link; 127. connecting blocks; 2. an unwinding mechanism; 21. a first tray; 22. a second tray; 23. a rotating shaft; 24. a power plant; 241. a motor; 242. a pulley assembly; 242a, a first synchronizing wheel; 242b, a second synchronizing wheel; 242c, a synchronous belt; 3. a tension mechanism; 31. a first guide roller; 32. a second guide roller; 33. a tension roller; 34. a linear module; 341. a guide rail; 342. a slider; 4. a guide mechanism; 41. a third support; 42. and a third guide roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 6, the double-station mylar unwinding mechanism 2 comprises a workbench 1, and an unwinding mechanism 2, a tension mechanism 3 and a guide mechanism 4 which are sequentially arranged along a first direction, wherein the unwinding mechanism 2 is arranged on a first support 11 and is positioned above the tension mechanism 3, the tension mechanism 3 is arranged on the side surface of the workbench 1 through a second support 12, and the guide mechanism 4 is arranged at the edge of the workbench 1 corresponding to the tension mechanism 3; the unwinding mechanism 2 comprises a first material tray 21 and a second material tray 22 which are arranged in a staggered manner in a second direction, and the first material tray and the second material tray are driven to rotate by a power device 24 respectively, wherein the second direction is perpendicular to the first direction; the tension mechanism 3 comprises a first guide roller 31, a second guide roller 32, a tension roller 33 and a linear module 34, wherein the first guide roller 31 and the second guide roller 32 are fixedly arranged along a first direction, and the tension roller 33 is positioned between the first guide roller 31 and the second guide roller 32 and is driven by the linear module 34 to move along a vertical direction; the guide mechanism 4 includes a third bracket 41 and a third guide roller 42 disposed thereon, the third guide roller 42 being located above the second guide roller 32.

In the specific implementation process, the fully-wound mylar reels are respectively installed on the first material tray 21 and the second material tray 22, the mylar is unreeled towards the first direction under the driving of the power device 24, and the mylar passes through the first guide roller 31, the tension roller 33 and the second guide roller 32 in the tension mechanism 3 in sequence, then passes through the third guide roller 42 in the guide rollers, and then is guided to the cutting mechanism.

The first tray 21 and the second tray 22 are arranged in a staggered manner in the second direction, so that the winding drums respectively mounted on the two trays can be synchronously unreeled towards the tension mechanism 3, and two derived film material belts cannot interfere with each other in the conveying process.

Further, the tension of the film material belt led out from the unwinding mechanism 2 is maintained through the tension mechanism 3, specifically, the material tray is intermittently driven to unwind through the power device 24, and the tension roller 33 is driven to synchronously stretch the film material belt through the linear module 34 in each unwinding process; when the belt amount of the film material which is unreeled at one time is completely guided to the cutting mechanism, the power device 24 drives the material tray to unreel at the next time.

The unwinding mechanism 2 is fixed on the workbench 1 through a first support 11, and the specific structure is as shown in fig. 3, wherein the first support 11 includes a first cross beam 111, a second cross beam 112 and a vertical beam 113, and the first cross beam 111 and the second cross beam 112 are arranged in parallel in the vertical direction and are connected through the vertical beam 113; the first beam 111 is fixedly connected with the workbench 1, and the first tray 21 and the second tray 22 are respectively connected with the second beam 112 through two rotating shafts 23 in a rotating manner.

Further, the power device 24 includes a motor 241 and a pulley assembly 242, the motor 241 is fixed on the second beam 112 and drives the rotating shaft 23 to rotate through the pulley assembly 242; the pulley assembly 242 includes a first synchronous pulley 242a, a second synchronous pulley 242b and a synchronous belt 242c, wherein the first synchronous pulley 242a and the second synchronous pulley 242b are coaxially disposed with the output shaft of the motor 241 and the rotating shaft 23, respectively, and are connected for transmission through the synchronous belt 242 c.

In the above embodiment, the two power devices 24, the first tray 21 and the second tray 22 are all disposed on the second beam 112, wherein the two motors 241 are disposed on the same side of the second beam 112 corresponding to the two trays, respectively, the rotating shaft 23 coaxially rotating with the trays and the output shaft of the motor 241 both pass through the second beam 112 to be connected with the pulley assembly 242 on the other side, and the pulley assembly 242 is used to realize the linkage of the rotating shaft 23 and the output shaft of the motor 241.

The tension mechanism 3 is fixedly arranged at a side position of the workbench 1 through a second bracket 12, specifically referring to fig. 4, wherein the second bracket 12 comprises a connecting vertical plate 121, a first connecting rod 124 and a second connecting rod 125, the linear module 34 is arranged on the connecting vertical plate 121 and comprises a guide rail 341 arranged along the vertical direction and a sliding block 342 in sliding connection with the guide rail 341, and the tension roller 33 is arranged on the sliding block 342; the first guide roller 31 and the second guide roller 32 are respectively arranged on the first connecting rod 124 and the second connecting rod 125, and two ends of the first connecting rod 124 and the second connecting rod 125 are respectively connected with two connecting vertical plates 121 which are arranged in parallel.

The film material belt passes through the upper part of the first guide roller 31, then passes through the lower part of the tension roller 33 in a winding mode, finally passes through the guide mechanism 4 above the second guide roller 32, the tension roller 33 is driven to move downwards through the linear module 34, namely, the film material belt is far away from the first guide roller 31 and the second guide roller 32, the stroke of the film material belt passing through the tension mechanism 3 is increased, the material belt amount which is unwound once by the power device 24 driving a material tray is accommodated by the tension mechanism 3, the linear module 34 drives the tension roller 33 to synchronously ascend and approach the first guide roller 31 and the second guide roller 32 along with the gradual unwinding of the film material belt from the guide mechanism 4, and the condition that the film material belt which is unwound once and overlong is knotted or wound is avoided.

Furthermore, the first guide roller 31 and the second guide roller 32 are respectively provided with two corresponding first material trays 21 and two corresponding second material trays 22 in the second direction; two force rollers 33 positioned on the two linear modules 34 are respectively arranged corresponding to the first material tray 21 and the second material tray 22.

As further shown in fig. 4 and 5, a plurality of detecting devices 122 are disposed on the guide rail 341 along the length direction thereof, and the detecting devices 122 are disposed at both ends and the middle position of the stroke section thereof corresponding to the sliders 342.

Along with the gradual unreeling of the feed cylinder on the first tray 21 and the second tray 22, the roll diameter of the feed cylinder gradually reduces, and in order to keep the film material belt with the same length unreeled from each tray for subsequent production, the number of turns of the output shaft of the control motor 241 is gradually increased. A detection device 122 is arranged in a stroke interval of the sliding block 342 on the guide rail 341, and the beginning or the end of the unwinding of the material tray driven by the regulating and controlling motor 241 is detected by detecting the position of the sliding block 342 synchronously moving along with the unwinding process; specifically, when the detecting devices 122 located at the upper and lower ends of the guide rail 341 are triggered, the output shaft of the motor 241 is controlled to stop or start rotating.

In the displacement detection process of the slider 342, the detection device 122 is provided as a photoelectric switch, and the slider 342 is provided with the shutter 123 corresponding to the detection device 122. Specifically, as shown in fig. 5, the photoelectric switch is used to avoid touch and maintain the accuracy and stability of the continuous detection process.

In this application, tension mechanism 3 and guiding mechanism 4 all set up at the front end feed position of workstation 1, and the one end of guide rail 341 is fixed on connecting riser 121, and two guide rails 341 on two connecting risers 121 set up relatively, and the one end that two guide rails 341 keep away from connecting riser 121 links to each other through third connecting rod 126. The connecting vertical plate 121 close to the first support 11 is fixedly connected with the first cross beam 111, and the connecting vertical plate 121 is further connected with the workbench 1 through a connecting block 127 arranged on the connecting vertical plate, so that the stability of the mounting structure of the tension mechanism 3 is ensured.

It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The double-station polyester film unwinding mechanism is characterized by comprising a workbench (1), and an unwinding mechanism (2), a tension mechanism (3) and a guide mechanism (4) which are sequentially arranged along a first direction, wherein the unwinding mechanism (2) is arranged on a first support (11) and is positioned above the tension mechanism (3), the tension mechanism (3) is arranged on the side surface of the workbench (1) through a second support (12), and the guide mechanism (4) is arranged at the edge of the workbench (1) corresponding to the tension mechanism (3);

the unwinding mechanism (2) comprises a first material tray (21) and a second material tray (22) which are arranged in a staggered manner in a second direction, and the first material tray and the second material tray are driven to rotate by a power device (24) respectively, and the second direction is perpendicular to the first direction;

the tension mechanism (3) comprises a first guide roller (31), a second guide roller (32), a tension roller (33) and a linear module (34), the first guide roller (31) and the second guide roller (32) are fixedly arranged along a first direction, the tension roller (33) is positioned between the first guide roller (31) and the second guide roller (32), and is driven by the linear module (34) to move along a vertical direction;

guiding mechanism (4) include third support (41) and set up third deflector roll (42) on it, third deflector roll (42) are located second deflector roll (32) top.

2. The double-station mylar unwinding mechanism of claim 1, wherein the first support (11) comprises a first beam (111), a second beam (112) and a vertical beam (113), the first beam (111) and the second beam (112) are arranged in parallel in a vertical direction and are connected by the vertical beam (113);

the first cross beam (111) is fixedly connected with the workbench (1), and the first material tray (21) and the second material tray (22) are respectively connected with the second cross beam (112) in a rotating manner through two rotating shafts (23).

3. The double-station mylar unwinding mechanism of claim 2, wherein the power device (24) comprises a motor (241) and a pulley assembly (242), the motor (241) is fixed on the second beam (112) and drives the rotating shaft (23) to rotate through the pulley assembly (242);

the belt wheel assembly (242) comprises a first synchronous wheel (242 a), a second synchronous wheel (242 b) and a synchronous belt (242 c), wherein the first synchronous wheel (242 a) and the second synchronous wheel (242 b) are coaxially arranged with an output shaft of the motor (241) and the rotating shaft (23) respectively, and are connected and driven through the synchronous belt (242 c).

4. The double-station mylar unwinding mechanism according to claim 2, wherein the second bracket (12) comprises a connecting vertical plate (121), a first link (124) and a second link (125), the linear module (34) is arranged on the connecting vertical plate (121) and comprises a guide rail (341) arranged in a vertical direction and a slide block (342) slidably connected with the guide rail, and the tension roller (33) is arranged on the slide block (342);

first deflector roll (31) with second deflector roll (32) set up respectively first connecting rod (124) with on second connecting rod (125), first connecting rod (124) with parallel arrangement's two is connected respectively at the both ends of second connecting rod (125) connect riser (121).

5. The double-station mylar unwinding mechanism according to claim 4, wherein the first guide roller (31) and the second guide roller (32) are arranged in two corresponding to the first tray (21) and the second tray (22) in the second direction;

the two tension rollers (33) positioned on the two linear modules (34) are respectively arranged corresponding to the first material tray (21) and the second material tray (22).

6. The double-station mylar unwinding mechanism of claim 4, characterized in that a plurality of detection devices (122) are arranged on the guide rail (341) along the length direction thereof, and the detection devices (122) are arranged at the two ends and the middle of the stroke interval thereof corresponding to the slide blocks (342).

7. The double-station mylar unwinding mechanism of claim 6, wherein the detection device (122) is configured as a photoelectric switch, and a baffle (123) is disposed on the slider (342) corresponding to the detection device (122).

8. The double-station mylar unwinding mechanism of claim 4, wherein one end of each guide rail (341) is fixed to the corresponding connecting vertical plate (121), the two guide rails (341) on the two connecting vertical plates (121) are arranged oppositely, and one ends of the two guide rails (341) far away from the corresponding connecting vertical plate (121) are connected through a third connecting rod (126).

9. The double-station mylar unwinding mechanism of claim 8, wherein the connecting riser (121) near the first support (11) is fixedly connected to the first beam (111), and the connecting riser (121) is further connected to the workbench (1) through a connecting block (127) provided thereon.