阅读说明：本技术 一种胶泥带卷管装置和生产设备 (Cement belt pipe coiling device and production equipment ) 是由 魏任升 汪家伟 王玉明 陈武 欧美秀 于 2021-09-22 设计创作，主要内容包括：本发明公开一种胶泥带卷管装置和生产设备,该胶泥带卷管装置包括机台和卷料组件,所述卷料组件包括第一转轴、第二转轴和驱动电机,所述第一转轴可转动地安装于所述机台,所述第一转轴用于与一管芯的一端套接；所述第二转轴可转动地安装于所述机台,所述第二转轴用于与管芯的另一端套接；所述驱动电机安装于所述机台,并与所述第一转轴连接,以驱动第一转轴转动；其中,所述第一转轴的周侧设有多个第一凸起,所述第一凸起用于与所述管芯的管内壁相抵接,以使所述管芯随所述第一转轴同步转动。本发明技术方案提高了管芯转动的同轴度。(The invention discloses a daub tape coiling device and production equipment, wherein the daub tape coiling device comprises a machine table and a coiling assembly, the coiling assembly comprises a first rotating shaft, a second rotating shaft and a driving motor, the first rotating shaft is rotatably arranged on the machine table, and the first rotating shaft is used for being sleeved with one end of a pipe core; the second rotating shaft is rotatably arranged on the machine table and is used for being sleeved with the other end of the tube core; the driving motor is arranged on the machine table and connected with the first rotating shaft so as to drive the first rotating shaft to rotate; the first rotating shaft is arranged on the inner wall of the tube core, and the first rotating shaft is used for rotating the tube core along with the tube core. The technical scheme of the invention improves the coaxiality of the rotation of the tube core.)

1. The utility model provides a cementing tape reelpipe device (30), includes board (100) and coil stock subassembly, its characterized in that, the coil stock subassembly includes:

the first rotating shaft (210) is rotatably arranged on the machine table (100), and the first rotating shaft (210) is used for being sleeved with one end of a tube core (2);

the second rotating shaft (220), the second rotating shaft (220) is rotatably installed on the machine table (100), and the second rotating shaft (220) is used for being sleeved with the other end of the tube core (2);

the driving motor (230) is installed on the machine table (100), and is connected with the first rotating shaft (210) to drive the first rotating shaft (210) to rotate;

the periphery of the first rotating shaft (210) is provided with a plurality of first protrusions (211), and the first protrusions (211) are used for abutting against the inner wall of the tube core (2) so that the tube core (2) can synchronously rotate along with the first rotating shaft (210).

2. The cement tape reel device (30) according to claim 1, wherein the first rotating shaft (210) has a socket end for socket-connecting the inner wall of the pipe core (2), and the width of the first protrusion (211) is gradually reduced along the extension direction of the socket end towards the pipe core (2).

3. The daub tape reel apparatus (30) of claim 2, wherein the first protrusion (211) further comprises a first mounting block (212), the first shaft (210) defines a first receiving slot (210a) for receiving the first mounting block (212), and at least a portion of the first protrusion (211) is exposed out of the first receiving slot (210 a).

4. The daub tape reel device (30) of claim 3, wherein the coil stock assembly further comprises a first limiting disc (310), the first limiting disc (310) is sleeved on the periphery of the first rotating shaft (210), the first limiting disc (310) is provided with a first yielding hole (310a) for yielding the first protrusion (211), and the first yielding hole (310a) is used for limiting the first mounting block (212) on the first rotating shaft (210).

5. A mastic tape reel (30) according to any one of claims 1 to 4, wherein the second shaft (220) is provided with a second projection (221), the second projection (221) abutting the pipe core (2).

6. The cement tape reel apparatus (30) of claim 5, wherein said reel assembly further comprises a second limiting plate (320), said second limiting plate (320) being disposed around the outer circumference of said second rotating shaft (220); the coil stock assembly further comprises a bracket (550) movably mounted on the machine table (100), and the second rotating shaft (220) is mounted on the bracket (550) so that the tube core (2) is held between the first limiting disc (310) and the second limiting disc (320).

7. The daub tape reel device (30) of claim 5, wherein the second shaft (220) is provided with a second receiving slot for receiving the second protrusion (221), and the protrusion of the second protrusion (221) is exposed from the second receiving slot and abuts against the other end of the tube core (2).

8. The cement tape reel device (30) according to claim 5, wherein said machine table (100) is further provided with a mounting seat (520) for supporting said second rotating shaft (220), said mounting seat (520) being provided with a guide groove (521) sliding on a guide rail (510) along a direction parallel to the axial direction of said pipe core (2).

9. The cement tape reel apparatus (30) of claim 8, wherein said coil assembly further comprises a driving cylinder (530) and a telescopic rod (560) connected to said driving cylinder (530), said mounting seat (520) being connected to a telescopic rod (540), said telescopic rod being driven by said driving cylinder (530) to linearly slide said mounting seat (520).

10. A cement tape production plant, characterized by comprising a cement tape reel device (30) according to any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of material receiving, in particular to a cement belt pipe coiling device and production equipment.

Background

In the process of rolling the sheet, the tube core is often required to be clamped to drive the tube core to rotate so as to roll the material. However, if the clamping force is too large, the tube core clamp is easy to deform, and the tube core clamp is easy to deviate and wrinkle during coiling; if the clamping force is too small, the tube core is difficult to drive to rotate, the tube core slips, the materials cannot be wound, and the winding process is influenced.

Disclosure of Invention

The invention mainly aims to provide a cement tape pipe coiling device and production equipment, aiming at improving the rotation stability of a pipe core.

In order to achieve the above purpose, the daub tape coiling device provided by the invention comprises a machine table and a coiling assembly, wherein the coiling assembly comprises a first rotating shaft, a second rotating shaft and a driving motor, the first rotating shaft is rotatably arranged on the machine table, and the first rotating shaft is used for being sleeved with one end of a pipe core; the second rotating shaft is rotatably arranged on the machine table and is used for being sleeved with the other end of the tube core; the driving motor is arranged on the machine table and connected with the first rotating shaft so as to drive the first rotating shaft to rotate; the first rotating shaft is arranged on the inner wall of the tube core, and the first rotating shaft is used for rotating the tube core along with the tube core.

In an embodiment, the first rotating shaft has a sleeved end for sleeved with the inner wall of the tube core, and the width of the first protrusion gradually decreases along the sleeved end in the extending direction of the tube core.

In an embodiment, the first protrusion further includes a first mounting block, the first rotating shaft is provided with a first receiving groove for receiving the first mounting block, and at least a portion of the first protrusion is exposed to the first receiving groove.

In an embodiment, the coil stock subassembly still includes first spacing dish, first spacing dish cover is established the periphery of first pivot, first spacing dish is equipped with dodges first bellied first hole of stepping down, first hole of stepping down be used for with first installation piece spacing with on the first pivot.

In an embodiment, the second shaft is provided with a second protrusion, and the second protrusion abuts against the tube core.

In an embodiment, the material rolling assembly further includes a second limiting disc, and the second limiting disc is sleeved on the periphery of the second rotating shaft; the coil stock assembly further comprises a support movably mounted on the machine table, and the second rotating shaft is mounted on the support, so that the tube core is fixedly held between the first limiting disc and the second limiting disc.

In an embodiment, the second rotating shaft is provided with a second receiving groove for receiving the second protrusion, and the second protrusion is exposed out of the second receiving groove and abuts against the other end of the tube core.

In an embodiment, the machine table is further provided with a mounting seat for supporting the second rotating shaft, and the mounting seat is provided with a guide groove which slides on a guide rail along an axial direction parallel to the tube core.

In an embodiment, the coil stock assembly further comprises a driving cylinder and a telescopic rod connected with the driving cylinder, the mounting seat is connected with the telescopic rod, and the telescopic rod is driven by the driving cylinder to enable the mounting seat to slide linearly.

The invention also provides production equipment which comprises a daub tape coiling device, wherein the daub tape coiling device comprises a machine table and a coiling assembly, the coiling assembly comprises a first rotating shaft, a second rotating shaft and a driving motor, the first rotating shaft is rotatably arranged on the machine table, and the first rotating shaft is used for being sleeved with one end of a pipe core; the second rotating shaft is rotatably arranged on the machine table and is used for being sleeved with the other end of the tube core; the driving motor is arranged on the machine table and connected with the first rotating shaft so as to drive the first rotating shaft to rotate; the first rotating shaft is arranged on the inner wall of the tube core, and the first rotating shaft is used for rotating the tube core along with the tube core.

According to the technical scheme, the first bulge is arranged on the first rotating shaft, when the tube core is sleeved with the first rotating shaft, the first bulge is abutted to the inner wall of the tube core, so that when the driving motor drives the first rotating shaft to rotate, the first rotating shaft can stably and synchronously drive the tube core to rotate, the first rotating shaft and the tube core are prevented from slipping, and the stability of material rolling is ensured. Meanwhile, the clamping force of the coil stock component on the tube core does not need to be too large, so that the tube core is prevented from being deformed due to extrusion, the problems of deviation and wrinkling during rolling are solved, and the rolling quality is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of the apparatus for producing a mastic tape according to the present invention;

FIG. 2 is a schematic structural view of an embodiment of the daub tape reel apparatus of the present invention;

FIG. 3 is a schematic structural diagram of an embodiment of a first rotating shaft and a driving motor on the first table top in FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic structural diagram of an embodiment of a first protrusion according to the present invention;

FIG. 6 is a schematic structural view of an embodiment of a second spindle and clamping assembly on the second table top of FIG. 2;

fig. 7 is a partial enlarged view of fig. 6 at B.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a daub tape coiling device and production equipment comprising the same.

Referring to fig. 1, the daub belt production equipment may include an extrusion device 10, a traction film covering device 20 and a daub belt coiling and pipe winding device 30, wherein the extrusion device 10 is used for extruding daub, the traction film covering device 20 is used for laminating the daub to form a daub belt 1, and then the daub belt 1 is wound by the daub belt coiling and pipe winding device 30, so that automatic production of molding, laminating and winding of the daub belt 1 is realized, and the production efficiency of the daub belt 1 is improved.

In an embodiment, with continued reference to fig. 1, the daub tape production apparatus may further include a sensing device 40 and a mounting bracket 60, the mounting bracket 60 is installed between the traction film covering device 20 and the daub tape reeling device 30, the sensing device 40 is installed on the mounting bracket 60, and the sensing device 40 is configured to detect a height position of the daub tape 1, so that the daub tape reeling device 30 adjusts a reeling speed. Referring to fig. 1, the apparatus for producing a mastic tape may further include a control device 50, the control device 50 is respectively connected to the mastic tape reel-up device 30 and the sensing device 40, the control device 50 is configured to receive a signal transmitted by the sensing device 40, and control a winding speed of the mastic tape reel-up device 30 according to the received signal, so that the winding speed is balanced with a film covering speed, so as to prevent the mastic tape reel-up device 30 from winding up the mastic tape 1 too fast, or prevent the mastic tape reel-up device 30 from winding up the mastic tape 1 too slow, which may cause the mastic tape 1 to adhere together.

In an embodiment of the present invention, referring to fig. 2 to fig. 3 and fig. 6, the daub tape reeling device 30 includes a machine 100 and a reeling assembly, the reeling assembly includes a first rotating shaft 210, a second rotating shaft 220 and a driving motor 230, the first rotating shaft 210 is rotatably mounted on the machine 100, and the first rotating shaft 210 is used for being sleeved with one end of a die 2; the second rotating shaft 220 is rotatably installed on the machine 100, and the second rotating shaft 220 is used for being sleeved with the other end of the tube core 2; the driving motor 230 is installed on the machine 100 and connected to the first rotating shaft 210 to drive the first rotating shaft 210 to rotate. Referring to fig. 3 to 4, a plurality of first protrusions 211 are disposed on a peripheral side of the first rotating shaft 210, and the first protrusions 211 are used for abutting against an inner wall of the tube core 2, so that the tube core 2 rotates synchronously with the first rotating shaft 210.

Referring to fig. 2, the machine 100 may include a first frame 110 and a second frame 120, the first frame 110 has a first table 111, the first table 111 has a first bearing 610, and the first bearing 610 is mounted with a first rotating shaft 210; the second frame 120 has a second table 121, a second bearing 620 is disposed on the second table 121, and the second bearing 620 is mounted with the second shaft 220. The first platform 111 may be lower than the second platform 121, and the first rotating shaft 210 and the second rotating shaft 220 are located at the same height and are oppositely disposed, so that two ends of the die 2 are respectively sleeved on the first rotating shaft 210 and the second rotating shaft 220. It is understood that the first bearing 610 and the second bearing 620 may be a seated bearing.

Referring to fig. 2 to fig. 3, the driving motor 230 may be installed on the first frame 110, and the driving motor 230 is connected to the first rotating shaft 210 to drive the first rotating shaft 210 to rotate, so as to drive the tube core 2 to rotate, and further wind the cement belt 1 to complete the winding operation. The driving motor 230 may be directly connected to the first rotating shaft 210 or indirectly connected to the first rotating shaft 210, which will be described in detail below.

Referring to fig. 2 to 4, the first protrusion 211 is disposed on the shaft wall of the first rotating shaft 210, when one end of the tube core 2 is sleeved with the first rotating shaft 210, the first protrusion 211 abuts against the tube wall of the tube core 2, and the tube core 2 is in interference fit with the first protrusion 211, so that the tube core 2 is stably sleeved on the first rotating shaft 210, and when the driving motor 230 drives the first rotating shaft 210 to rotate, the tube core 2 also rotates along with the first rotating shaft 210, thereby achieving the stability of material receiving. The first protrusion 211 may be a bump or a bump, and the shape of the bump may be various, and may be a regular or irregular shape such as a cylinder, a cone, a cuboid, a cube, and the like.

The first shaft 210 and the second shaft 220 may be sleeved with the die 2 in the same manner or different manners. The first rotating shaft 210 may be sleeved on an inner wall of the tube core 2, and the second rotating shaft 220 may also be sleeved on an inner wall of the tube at the other end of the tube core 2, which may be specifically set according to actual conditions. Referring to fig. 2 and 4, when the die 2 is sleeved on the outer circumference of the first rotating shaft 210, the first protrusion 211 is disposed on the shaft wall of the first rotating shaft 210, and the first protrusion 211 abuts against the inner wall surface of the die 2.

According to the technical scheme, the first protrusion 211 is arranged on the first rotating shaft 210, when the tube core 2 is sleeved with the first rotating shaft 210, the first protrusion 211 is abutted to the tube wall of the tube core 2, so that when the driving motor 230 drives the first rotating shaft 210 to rotate, the first rotating shaft 210 can stably drive the tube core 2 to rotate, the first rotating shaft 210 and the tube core 2 are prevented from slipping, and the stability of material rolling is ensured. Meanwhile, the clamping force of the coil component on the tube core 2 does not need to be too large, so that the tube core 2 is prevented from being deformed due to extrusion, the problems of deviation and wrinkling during rolling are solved, and the rolling quality is improved.

In an embodiment, referring to fig. 3 to 4, the first protrusion 211 is used to abut against an inner wall surface of the die 2, so that the first protrusion 211 and the die 2 are in interference fit, the die 2 is stably sleeved on the first rotating shaft 210, and the first rotating shaft 210 can stably drive the die 2 to rotate.

The number of the first protrusions 211 may be multiple, referring to fig. 4, in an embodiment, the first protrusions 211 are arranged at intervals along the circumferential direction of the first rotating shaft 210. Referring to fig. 3 to 4, the plurality of first protrusions 211 are disposed on the first rotating shaft 210, so that the tube core 2 can be more stably sleeved on the first rotating shaft 210 to rotate along with the first rotating shaft 210, and the tube core 2 and the first rotating shaft 210 are prevented from slipping to affect the winding operation of the clay strip winding device 30.

Referring to fig. 4, when the first protrusions 211 are disposed at equal intervals in the circumferential direction of the first rotating shaft 210, the die 2 is sleeved with the first rotating shaft 210, and the acting force of the first protrusions 211 on the die 2 is uniform, so that the stability of connection between the die 2 and the first protrusions 211 is improved, and the die 2 is not easily deformed, thereby avoiding the deviation and wrinkling phenomenon during coiling.

With continued reference to fig. 4 to 5, in an embodiment, the first rotating shaft 210 has a socket end for being sleeved on the inner wall of the tube of the die 2, and the width of the first protrusion 211 gradually decreases along the extension direction of the socket end toward the die 2. That is, the sectional area of the first protrusion 211 decreases gradually in the direction approaching the end of the sleeved end, so that when the first rotating shaft 210 is sleeved with the tube core 2, the first protrusion 211 can smoothly enter the tube core 2, and the assembly work of the tube core 2 and the first rotating shaft 210 is facilitated.

The thickness of the first protrusion 211 may gradually decrease in a direction approaching the coupling end of the first rotation shaft 210, or the thickness of the first protrusion 211 may be constant. Referring to fig. 4 to 5, in an embodiment, the thickness of the first protrusion 211 is not changed in a direction approaching the socket end, so that the abutting area of the first protrusion 211 and the die 2 is increased, and the connection stability of the first protrusion 211 and the die 2 is further improved, so that the die 2 is more stably mounted on the first rotating shaft 210.

The first protrusion 211 may be protruded on the first rotating shaft 210, or the first protrusion 211 may be installed on the first rotating shaft 210. Referring to fig. 4 to 5, in an embodiment, the first protrusion 211 preferably includes a first mounting block 212, the first rotating shaft 210 is formed with a first receiving groove 210a for receiving the first mounting block 212, and at least a portion of the first protrusion 211 is protruded to be exposed to the first receiving groove 210 a. The first receiving groove 210a may have a circular shape, an oval shape, or a track shape, as long as the first mounting block 212 can be received. The shape of the first mounting block 212 may be various, and may be rectangular, circular, or adapted to the first receiving groove 210 a.

Referring to fig. 4, by placing the first mounting block 212 in the first receiving cavity 210a, the upper surface of the first mounting block 212 and the outer wall surface of the first rotating shaft 210 are located at the same horizontal plane, and at least a portion of the first protrusion 211 protrudes out of the first receiving cavity, so that the first protrusion 211 is higher than the outer wall surface of the first rotating shaft 210, the first protrusion 211 can abut against the tube wall of the die 2. Meanwhile, after the first protrusion 211 is damaged, the first protrusion can be replaced without replacing the first rotating shaft 210, so that the use cost is saved, and the equipment is convenient to maintain. It is understood that the first mounting block 212 may be adhered to the bottom of the first receiving groove 210a, or may abut against or be adhered to the wall of the first receiving groove 210 a.

In order to avoid the deviation of the daub belt 1 during rolling, please refer to fig. 3 to 4, in an embodiment, the material rolling assembly further includes a first limiting disc 310, the first limiting disc 310 is sleeved on the periphery of the first rotating shaft 210, the first limiting disc 310 is provided with a first yielding hole 310a for yielding the first protrusion 211, and the first yielding hole 310a is used for limiting the first mounting block 212 and the first rotating shaft 210.

Referring to fig. 2 to 4, when the tube core 2 rotates to wind the cement belt 1, the first limiting disc 310 limits the end of the cement belt 1 by sleeving the first rotating shaft 210 with the first limiting disc 310, so as to prevent the cement belt 1 from deviating and affecting the winding quality. In addition, referring to fig. 4, the inner ring of the first limiting disc 310 is provided with a first yielding hole 310a, when the first limiting disc 310 is sleeved on the first rotating shaft 210, the inner ring surface of the first limiting disc 310 abuts against the upper surface of the first mounting block 212, so as to limit the first mounting block 212 in the first receiving groove 210a, and prevent the first protrusion 211 from falling off from the first rotating shaft 210, thereby limiting the first mounting block 212.

Referring to fig. 2 to 3, in an embodiment, the material rolling assembly further includes two synchronous pulleys 410 and a transmission belt 420, the two synchronous pulleys 410 are respectively mounted on the first rotating shaft 210 and the driving motor 230, and the transmission belt 420 is engaged with the two synchronous pulleys 410.

Referring to fig. 3, a third bearing 630 may be further mounted on the first table 111, and the third bearing 630 is used for mounting the first rotating shaft 210. The first shaft 210 also has a mounting end opposite the journaling end, the third bearing 630 being adjacent the mounting end on which a synchronous pulley 410 is mounted.

Referring to fig. 2 to 3, an installation plate 112 is further installed on the first table 111, another synchronous pulley 410 and a driving motor 230 for driving the synchronous pulley 410 to rotate may be installed on the installation plate 112, and the two synchronous pulleys 410 are connected by a transmission belt 420, so as to drive the synchronous pulley 410 on the first rotating shaft 210 to rotate, and further to rotate the first rotating shaft 210, so as to drive the tube core 2 on the first rotating shaft 210 to rotate, and the first rotating shaft 210 at the other end of the tube core 2 also rotates.

In order to further improve the stability of the rotation of the die 2, referring to fig. 6 to 7, in an embodiment, the second shaft 220 is provided with a second protrusion 221, and the second protrusion 221 abuts against the die 2. That is, the first rotating shaft 210 and the second rotating shaft 220 are both provided with protrusions, and the first protrusion 211 and the second protrusion 221 are respectively abutted against the tube walls at the two ends of the tube core 2, so as to stably drive the tube core 2 to rotate.

Referring to fig. 2, 6 to 7, in an embodiment, the material rolling assembly further includes a second limiting disc 320, and the second limiting disc 320 is sleeved on the outer periphery of the second rotating shaft 220; the roll material assembly further includes a bracket 550 movably mounted on the machine 100, and the bracket 550 is mounted with the second rotating shaft 220, so that the die 2 is held between the first limiting plate 310 and the second limiting plate 320.

Referring to fig. 2 and 6, when the second rotating shaft 220 is sleeved with the second limiting disc 320, the second limiting disc 320 cooperates with the first limiting disc 310 to hold the tube core 2 between the first limiting disc 310 and the second limiting disc 320 when the cement belt 1 is wound, so as to limit two ends of the tube core 2, improve the rotating coaxiality of the tube core 2, further avoid the cement belt 1 from deviating, and improve the winding quality.

Referring to fig. 2 and 7, in an embodiment, the second rotating shaft 220 is provided with a second receiving groove 220a for receiving the second protrusion 221, and the second protrusion 221 protrudes out of the second receiving groove 220a and abuts against the other end of the die 2, so as to abut against the inner wall surface of the die 2.

In order to improve the coaxiality of the rotation of the die 2, referring to fig. 2 and 6, in an embodiment, the machine 100 is further provided with a mounting seat 520 supporting the second rotating shaft 220, and the mounting seat 520 is provided with a guide groove 521 sliding on a guide rail 510 along a direction parallel to the axial direction of the die 2.

Referring to fig. 6 and 7, the second bearing 620 is mounted on the mounting seat 520, and the second rotating shaft 220 is engaged with the shaft hole of the second bearing 620 and clamped and limited by the retaining ring 640, so that the second rotating shaft 220 is mounted on the second bearing 620. Referring to fig. 6, the guide rail 510 extends along the axial direction of the die 2, and the mounting seat 520 is located at the bottom of the bracket 550 and slides on the guide rail 510 through the guide groove 521, so that the second rotating shaft 220 is close to or away from the first rotating shaft 210, and the distance between the first rotating shaft 210 and the second rotating shaft 220 is adjusted, thereby clamping or releasing the die 2. Moreover, by arranging the guide groove 521 and the guide rail 510, after the tube core 2 is replaced, the rotating coaxiality of the tube core 2 can be ensured, the coaxiality of the tube core does not need to be adjusted again, the processing efficiency is improved, and the winding quality of the plaster belt is also improved.

Further, referring to fig. 6, in an embodiment, the coil stock assembly further includes a driving cylinder 530 and an expansion rod 560 connected to the driving cylinder 530, the mounting seat 520 is connected to the expansion rod 540, and the expansion rod is driven by the driving cylinder 530 to make the mounting seat 520 slide linearly.

Referring to fig. 6, the second table 121 is further provided with an air cylinder mounting seat 540, a driving air cylinder 530 is mounted on the air cylinder mounting seat 540, and the driving air cylinder 530 is connected to the mounting seat 520 to drive the mounting seat 520 to move on the guide rail 510, so that the second rotating shaft 220 is close to or away from the first rotating shaft 210 to adjust the distance between the first rotating shaft 210 and the second rotating shaft 220, and further clamp or release the die 2.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.