Clearance compensation supporting arm structure of coiling machine and coiling machine

Abstract

The utility model provides a recoiling machine backlash compensation support arm structure and recoiling machine, which comprises a support arm, a first support mechanism, a second support mechanism and an opening and closing driving assembly, the first support mechanism comprises a first riding wheel, a first eccentric shaft and a first transmission driving mechanism; the second supporting mechanism comprises a second riding wheel, a second eccentric shaft and a second transmission driving mechanism, the first eccentric shaft extends in the vertical direction, the two ends of the first eccentric shaft are rotatably connected into the supporting arm, the first riding wheel is arranged on the first eccentric shaft in a sleeving mode, and the second eccentric shaft extends in the longitudinal direction, and the two ends of the second eccentric shaft are rotatably connected into the supporting arm; and the second supporting wheel is sleeved on the second eccentric shaft. In this way, when the first eccentric shaft drives the first riding wheel to rotate to abut against the mandrel bearing seat, the side face of the mandrel bearing seat is supported, and when the second eccentric shaft drives the second riding wheel to rotate to abut against the mandrel bearing seat, the bottom face of the mandrel bearing seat is supported, so that the abrasion clearance is compensated in time in a self-adaptive mode in an eccentric rotation mode; and a sufficient supporting effect is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of coilers, in particular to a coiler gap compensation support arm structure and a coiler. Background Art

[0002] In the metallurgical industry, coilers are commonly used to coil hot-rolled or cold-rolled steel into reels for subsequent processing and transportation. The principle is to wind the material into a coil using a rotating reel while ensuring product quality by controlling the winding speed and tension. Therefore, the coiler's outer support arm is an important component for supporting the reel and maintaining stability.

[0003] In the prior art, the connection method between the core shaft of the curling machine and the outer support arm is a support roller, but the support roller is prone to wear and gap after being used for a long time. However, the gap can only be compensated manually and can only be adjusted during installation or maintenance. It cannot be compensated in time, which will lead to poor support effect.

[0004] In view of this, it is necessary to propose a coiler gap compensation support arm structure and a coiler to solve or at least alleviate the above-mentioned defects. Utility Model Content

[0005] The main purpose of the utility model is to provide a coiler gap compensation support arm structure and a coiler, so as to solve the problem in the prior art that the outer support arm cannot compensate the gap in time and causes poor support effect.

[0006] To achieve the above-mentioned purpose, the utility model provides a winding machine gap compensation support arm structure, including a support arm, a first support mechanism, a second support mechanism and an opening and closing drive assembly; wherein,

[0007] The first end of the support arm is used to be hinged on the reel frame, the opening and closing drive assembly is used to be fixed on the reel frame, and the middle part of the first end of the support arm is hinged to the drive end of the opening and closing drive assembly;

[0008] The first supporting mechanism includes a first supporting wheel, a first eccentric shaft and a first transmission driving mechanism, the second supporting mechanism includes a second supporting wheel, a second eccentric shaft and a second transmission driving mechanism, and the second end of the supporting arm is respectively recessed inwardly along the longitudinal direction to form a first groove and recessed downwardly along the vertical direction to form a second groove; wherein,

[0009] The first eccentric shaft is vertically extended and rotatably connected to the support arm at both ends. The first supporting wheel is sleeved on the first eccentric shaft and disposed in the first groove. The first transmission drive mechanism is connected to the second end of the support arm and is used to drive the first eccentric shaft to rotate.

[0010] The second eccentric shaft is longitudinally extended and rotatably connected to the support arm at both ends. The second supporting wheel is sleeved on the second eccentric shaft and disposed in the second groove. The second transmission drive mechanism is connected to the second end of the support arm and is used to drive the second eccentric shaft to rotate.

[0011] Among them, when the first eccentric shaft drives the first supporting wheel to rotate until it is in abutment with the core shaft bearing seat, it is used to support the side surface of the core shaft bearing seat; when the second eccentric shaft drives the second supporting wheel to rotate until it is in abutment with the core shaft bearing seat, it is used to support the bottom surface of the core shaft bearing seat.

[0012] Preferably, the first transmission drive mechanism includes a first worm, a first end cover and a first drive assembly, the first worm itself is rotatably connected to the second end of the support arm and is arranged close to the first eccentric shaft, the top end of the first eccentric shaft has a first worm wheel, the first worm and the first worm wheel are meshed, the first end cover is connected to the support arm by bolts, and the first end cover has a first through hole, the first end of the first worm extends out of the support arm and rotatably passes through the first through hole, the first drive assembly is connected to the support arm and the drive end of the first drive assembly is connected to the first end of the first worm.

[0013] Preferably, the second transmission drive mechanism includes a second worm, a second end cover and a second drive assembly, the second worm itself is rotatably connected to the second end of the support arm and is arranged close to the second eccentric shaft, the second eccentric shaft has a second worm wheel at the end away from the first eccentric shaft, the second worm and the second worm wheel are meshed, the second end cover is connected to the support arm by bolts, and the second end cover has a second through hole, the first end of the second worm extends out of the support arm and rotatably passes through the second through hole, the second drive assembly is connected to the support arm and the drive end of the second drive assembly is connected to the first end of the second worm.

[0014] Preferably, both the first drive assembly and the second drive assembly adopt servo motors.

[0015] Preferably, the first supporting wheel is concave inwardly along the circumferential direction to form a curved surface.

[0016] Preferably, the second supporting wheel is cylindrical.

[0017] Preferably, the first supporting mechanism further includes a first top cover, and the second supporting mechanism further includes a second top cover, wherein:

[0018] The first top cover is connected to the second end of the support arm near the first worm gear by bolts, and the first top cover has a third through hole, and the top end of the first eccentric shaft extends out of the support arm and rotatably passes through the third through hole;

[0019] The second top cover is connected to the second end of the support arm near the second worm gear by bolts, and the second top cover has a fourth through hole. The end of the second eccentric shaft away from the first eccentric shaft extends out of the support arm and rotatably passes through the fourth through hole.

[0020] Preferably, a scale plate is provided at the top end of the first eccentric shaft and at the end of the second eccentric shaft away from the first eccentric shaft.

[0021] The present application also provides a winder, comprising a winder frame, a core shaft bearing seat and a winder core shaft, one end of the winder core shaft is connected to the core shaft bearing seat, the winder frame and the core shaft bearing seat are arranged at intervals along the longitudinal direction, and also comprises the winder gap compensation support arm structure as described above, the first end of the support arm of the winder gap compensation support arm structure is hinged to the winder frame through a pin shaft, the opening and closing drive assembly of the winder gap compensation support arm structure is fixed to the winder frame, the first supporting wheel of the winder gap compensation support arm structure is abutted against the side of the core shaft bearing seat, and the second supporting wheel of the winder gap compensation support arm structure is abutted against the bottom surface of the core shaft bearing seat.

[0022] Preferably, an annular chamfer is provided on one end of the mandrel bearing seat away from the coiler mandrel.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] The utility model provides a winding machine gap compensation support arm structure and a winding machine, comprising a support arm, a first support mechanism, a second support mechanism and an opening and closing drive assembly, the first end of the support arm is used to be hinged on the winding machine frame, the opening and closing drive assembly is used to be fixed on the winding machine frame, and the middle part of the first end of the support arm is hinged to the drive end of the opening and closing drive assembly, the first support mechanism includes a first supporting wheel, a first eccentric shaft and a first transmission drive mechanism, the second support mechanism includes a second supporting wheel, a second eccentric shaft and a second transmission drive mechanism, the second end of the support arm is respectively longitudinally inward The first groove is formed in the depression, and the second groove is formed in the vertical downward depression. The first eccentric shaft is vertically extended and rotatably connected to the support arm at both ends. The first supporting roller is sleeved on the first eccentric shaft and set in the first groove. The first transmission driving mechanism is connected to the second end of the support arm and is used to drive the first eccentric shaft to rotate. The second eccentric shaft is longitudinally extended and rotatably connected to the support arm at both ends. The second supporting roller is sleeved on the second eccentric shaft and set in the second groove. The second transmission driving mechanism is connected to the second end of the support arm and is used to drive the second eccentric shaft to rotate. In this way, when the first eccentric shaft drives the first supporting roller to rotate to abut against the spindle bearing seat, it is used to support the side of the spindle bearing seat, and when the second eccentric shaft drives the second supporting roller to rotate to abut against the spindle bearing seat, it is used to support the bottom surface of the spindle bearing seat, so as to adaptively compensate for the wear gap in a timely manner through eccentric rotation, thereby ensuring sufficient support effect. In addition, timely compensation of the gap can also eliminate the clearance of each connection point, reduce working noise, and improve the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0026] Figure 1 A three-dimensional schematic diagram of an application scenario of the overall structure in one embodiment of the present utility model;

[0027] Figure 2 This is a three-dimensional schematic diagram of a support arm in one embodiment of the present utility model;

[0028] Figure 3 is a cross-sectional schematic diagram of a support arm in one embodiment of the present utility model;

[0029] Figure 4 This is a schematic diagram of the assembly of the first supporting mechanism and the second supporting mechanism in one embodiment of the present utility model;

[0030] Figure 5 This is a three-dimensional schematic diagram of a first eccentric shaft in one embodiment of the present utility model;

[0031] Figure 6 This is a cross-sectional schematic diagram of a first eccentric shaft in one embodiment of the present utility model;

[0032] Figure 7 This is a schematic plan view of the first eccentric shaft in one embodiment of the present invention.

[0033] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments.

[0034] Description of Figure Numbers:

[0035] 10. Support arm; 110. First groove; 120. Second groove; 20. First supporting mechanism; 210. First supporting roller; 220. First eccentric shaft; 221. First worm gear; 230. First transmission drive mechanism; 231. First worm; 232. First end cover; 240. First top cover; 30. Second supporting mechanism; 310. Second supporting roller; 320. Second eccentric shaft; 321. Second worm gear; 330. Second transmission drive mechanism; 331. Second worm; 332. Second end cover; 340. Second top cover; 40. Opening and closing drive assembly; 50. Winder; 510. Winder frame; 520. Mandrel bearing seat; 530. Winder mandrel. DETAILED DESCRIPTION

[0036] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0038] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0039] In addition, the descriptions of "first," "second," etc. in this utility model are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0040] Please see the attached Figure 1-7 In one embodiment, the present invention provides a winder gap compensation support arm structure, comprising a support arm 10, a first support mechanism 20, a second support mechanism 30 and an opening and closing drive assembly 40. First of all, it should be noted that the longitudinal direction in this application refers to the length extension direction of the support arm 10 (when the entire support arm 10 structure is in a closed state), and the transverse direction refers to the width direction of the support arm 10 (the extension direction of the winder core shaft 530). Please refer to the markings in the accompanying drawings for details; and the connection method between the winder core shaft and the outer support arm in the prior art is a support wheel, but the support wheel is prone to wear and gap after a long period of use, but the gap can only be compensated manually and can only be adjusted during installation or maintenance. It cannot be compensated in time, which will result in poor support effect. The present application solves the above-mentioned defects in the prior art by providing a winder gap compensation support arm structure, as follows:

[0041] The first end of the support arm 10 is used to be hinged on the winder frame 510, the opening and closing drive assembly 40 is used to be fixed on the winder frame 510, and the middle part of the first end of the support arm 10 is hinged to the drive end of the opening and closing drive assembly 40; the first support mechanism 20 includes a first supporting wheel 210, a first eccentric shaft 220 and a first transmission drive mechanism 230, the second support mechanism 30 includes a second supporting wheel 310, a second eccentric shaft 320 and a second transmission drive mechanism 330, and the second end of the support arm 10 is respectively recessed inwardly along the longitudinal direction to form a first groove 110 and recessed downwardly along the vertical direction to form a second groove 120; wherein, the first eccentric shaft 220 The first supporting wheel 210 is mounted on the first eccentric shaft 220 and is arranged in the first groove 110, and the first transmission drive mechanism 230 is connected to the second end of the support arm 10 and is used to drive the first eccentric shaft 220 to rotate; the second eccentric shaft 320 is extended along the longitudinal direction and is rotatably connected to the support arm 10 at both ends, the second supporting wheel 310 is mounted on the second eccentric shaft 320 and is arranged in the second groove 120, and the second transmission drive mechanism 330 is connected to the second end of the support arm 10 and is used to drive the second eccentric shaft 320 to rotate.

[0042] Specifically, the winder gap compensation support arm structure in the present application includes a support arm 10, a first support mechanism 20, a second support mechanism 30 and an opening and closing drive assembly 40. The support arm 10 is used for the installation of the first support mechanism 20 and the second support mechanism 30 to serve as a supporting body; the first support mechanism 20 and the second support mechanism 30 are used to support the core shaft bearing seat 520 from the side and bottom respectively, so as to compensate for the gap between the side and bottom in time to improve the support effect; and the opening and closing drive assembly 40 is used to control the opening and closing of the support arm 10 to open the support arm 10 when support is not required. Therefore, the first end of the support arm 10 is used to be hinged on the winder frame 510, and at the same time, the middle part of the first end of the support arm 10 is hinged to the drive end of the opening and closing drive assembly 40 to ensure that the support arm 10 can swing under the pull / push of the opening and closing drive assembly 40, thereby realizing the switching of the opening and closing state. Preferably, the opening and closing drive assembly 40 can adopt an opening and closing cylinder.

[0043] Among them, the first supporting mechanism 20 includes a first supporting wheel 210, a first eccentric shaft 220 and a first transmission driving mechanism 230. The first eccentric shaft 220 is an eccentric structure. The two end fulcrums of its rotating shaft are coaxial, and the structure above the rotating shaft is eccentrically installed on the rotating shaft. That is, it can be understood that the first eccentric shaft 220 includes a first rotating part and a first eccentric part. In this way, the first eccentric part is eccentrically installed on the first rotating part, which means that the axis line of the first eccentric part and the axis line of the first rotating part are parallel and do not overlap. In this way, in the first When a rotating part rotates itself, the first eccentric part rotates eccentrically, so the first supporting wheel 210 installed on the first eccentric shaft 220 (first eccentric part) also rotates eccentrically, thereby achieving the effect of being able to rotate to abut against the core shaft bearing seat 520; similarly, the second supporting mechanism 30 includes a second supporting wheel 310, a second eccentric shaft 320 and a second transmission drive mechanism 330, and its principle is similar to that of the first supporting mechanism 20, so it can be understood that the eccentric shaft is one of the commonly used components well known to technical personnel in this field, so it will not be described in detail here.

[0044] Furthermore, the second end of the support arm 10 is an end close to the core shaft bearing seat 520, so the second end of the support arm 10 is respectively recessed inwardly along the longitudinal direction to form a first groove 110 and recessed downwardly along the vertical direction to form a second groove 120. The first groove 110 is used for installing the first eccentric shaft 220 and serves as a reserved installation space for the first supporting wheel 210. In this way, first mounting holes can be opened in advance in the upper and lower ends of the first groove 110 of the support arm 10, so that the two ends of the first eccentric shaft 220 can be rotatably connected to the support arm 10 (first mounting hole), and the first eccentric shaft 220 can be sleeved on the support arm 10. The first supporting wheel 210 on the first eccentric shaft 220 is located in the first groove 110, and the first transmission drive mechanism 230 is used as a power source to drive the first eccentric shaft 220 to rotate, thereby driving the first supporting wheel 210 to rotate eccentrically; similarly, the second groove 120 is used for the installation of the second eccentric shaft 320 and serves as a reserved installation space for the second supporting wheel 310. A second mounting hole can also be opened in advance at the corresponding position of the support arm 10 for the rotatable installation of both ends of the second eccentric shaft 320. The principle is similar to that of the first eccentric shaft 220, so it will not be described in detail here.

[0045] Among them, the first transmission drive mechanism 230 rotates to drive the first eccentric shaft 220 to rotate, and the first eccentric shaft 220 drives the first supporting wheel 210 to rotate. Since the first supporting wheel 210 follows the first eccentric shaft 220 (the first eccentric part on it) to make eccentric rotation, the eccentricity gradually increases during rotation. Therefore, when it rotates to abut against the core shaft bearing seat 520, the gap on the side of the core shaft bearing seat 520 is compensated for to support the side of the core shaft bearing seat 520; similarly, the second transmission drive mechanism 330 rotates to drive the second eccentric shaft 320 to rotate, and the second eccentric shaft 320 drives the second supporting wheel 310 to rotate. Since the second supporting wheel 310 follows the second eccentric shaft 320 (the second eccentric part on it) to make eccentric rotation, the eccentricity gradually increases during rotation. Therefore, when it rotates to abut against the core shaft bearing seat 520, the gap on the bottom surface of the core shaft bearing seat 520 is compensated for to support the bottom surface of the core shaft bearing seat 520.

[0046] As a preferred embodiment of the present invention, the first transmission drive mechanism 230 includes a first worm 231, a first end cover 232 and a first drive assembly (not shown in the figure), the first worm 231 itself is rotatably connected to the second end of the support arm 10 and is arranged close to the first eccentric shaft 220, the top end of the first eccentric shaft 220 has a first worm gear 221, the first worm 231 and the first worm gear 221 are meshed, the first end cover 232 is connected to the support arm 10 by bolts, and the first end cover 232 has a first through hole, the first end of the first worm 231 extends out of the support arm 10 and rotatably passes through the first through hole, the first drive assembly is connected to the support arm 10 and the driving end of the first drive assembly is connected to the first end of the first worm 231.

[0047] It should be noted that the first transmission drive mechanism 230 and the first eccentric shaft 220 adopt a worm gear transmission drive mode, which can take advantage of its compact structure but self-locking ability and is easy to install and drive. Therefore, a first worm wheel 221 is provided on the top of the first eccentric shaft 220, and the first worm 231 is provided between the first drive assembly and the first worm wheel 221 as a transmission component. The first worm wheel 221 and the first worm 231 are meshed with each other to form a worm gear structure, and then the first drive assembly is used as a power source to drive the first worm. The rod 231 rotates to drive the first worm gear 221 on the first eccentric shaft 220 to rotate, thereby driving the first eccentric shaft 220 to rotate; and the first end cover 232 is used to fix the installation of the first worm 231 to serve as a "bearing seat" at one end of the first worm 231, so that the first end of the first worm 231 can rotatably pass through the first through hole. The first end cover 232 is bolted to facilitate disassembly and assembly, and the first end of the first worm 231 needs to extend out of the support arm 10 and the first through hole to facilitate connection with the first drive assembly.

[0048] As a preferred embodiment of the present invention, the second transmission drive mechanism 330 includes a second worm 331, a second end cover 332 and a second drive assembly (not shown in the figure). The second worm 331 itself is rotatably connected to the second end of the support arm 10 and is arranged close to the second eccentric shaft 320. The second eccentric shaft 320 has a second worm gear 321 at the end away from the first eccentric shaft 220. The second worm 331 and the second worm gear 321 are meshed with each other. The second end cover 332 is connected to the support arm 10 by bolts, and the second end cover 332 has a second through hole. The first end of the second worm 331 extends out of the support arm 10 and rotatably passes through the second through hole. The second drive assembly is connected to the support arm 10 and the driving end of the second drive assembly is connected to the first end of the second worm 331.

[0049] It should be noted that, similar to the first transmission drive mechanism 230, the second transmission drive mechanism 330 also adopts a worm gear connection method. Its specific structure and connection method are consistent with the first transmission drive mechanism 230 except for the installation position, so it will not be described in detail here.

[0050] As a preferred embodiment of the present invention, both the first drive assembly and the second drive assembly adopt servo motors.

[0051] It is worth noting that the servo motor can stop outputting driving force when it detects that the support wheel rotates to abut against the core shaft bearing seat 520 to avoid excessive driving rotation. Therefore, servo motors can be used for both the first drive component and the second drive; in other embodiments, hydraulic motors, etc. can also be used, and technical personnel in this field can make a choice according to actual needs.

[0052] As a preferred embodiment of the present invention, the first supporting wheel 210 is concave inward along the circumferential direction to form a curved surface.

[0053] It is worth noting that since the core shaft bearing seat 520 is cylindrical, the first support wheel 210 is concave inward along the circumference to form a curved surface, which can make it easier to match the cylindrical surface, and the contact between each other is smoother during the opening / closing process of the support arm 10, reducing wear.

[0054] Furthermore, the second supporting wheel 310 is cylindrical.

[0055] It should be noted that, since the second supporting wheel 310 is located at the bottom for support, the use of a cylindrical second supporting wheel 310 in contact with a cylindrical core shaft support can reduce wear.

[0056] Furthermore, the first support mechanism 20 further includes a first top cover 240, and the second support mechanism 30 further includes a second top cover 340, wherein:

[0057] The first top cover 240 is connected to the second end of the support arm 10 near the first worm gear 221 by bolts, and the first top cover 240 has a third through hole. The top end of the first eccentric shaft 220 extends out of the support arm 10 and rotatably passes through the third through hole.

[0058] The second top cover 340 is connected to the second end of the support arm 10 near the second worm gear 321 by bolts, and the second top cover 340 has a fourth through hole, and the end of the second eccentric shaft 320 away from the first eccentric shaft 220 extends out of the support arm 10 and rotatably passes through the fourth through hole.

[0059] It should be understood that the function of the top cover is similar to that of the end cover, which is used to support and install one end of the first eccentric shaft 220 and the second eccentric shaft 320, so that the top end of the first eccentric shaft 220 can be rotatably passed through the third through hole, and the end of the second eccentric shaft 320 away from the first eccentric shaft 220 can be rotatably passed through the fourth through hole.

[0060] Furthermore, a scale plate is provided at the top end of the first eccentric shaft 220 and at the end of the second eccentric shaft 320 away from the first eccentric shaft 220 .

[0061] It should be noted that the dial is used to display the eccentricity of the first eccentric shaft 220 and the second eccentric shaft 320, and can be used for inspection. When it is found that the highest point of the eccentricity indicated by the dial is close to the upper limit, the support wheel or other components can be replaced in time to ensure sufficient eccentricity.

[0062] The present application also provides a winder 50, including a winder frame 510, a core shaft bearing seat 520 and a winder core shaft 530, one end of the winder core shaft 530 is connected to the core shaft bearing seat 520, the winder frame 510 and the core shaft bearing seat 520 are arranged at intervals along the longitudinal direction, and also includes the winder gap compensation support arm structure as described above, the first end of the support arm 10 of the winder gap compensation support arm structure is hinged to the winder frame 510 through a pin shaft, the opening and closing drive assembly 40 of the winder gap compensation support arm structure is fixed on the winder frame 510, the first support roller 210 of the winder gap compensation support arm structure is abutted against the side of the core shaft bearing seat 520, and the second support roller 310 of the winder gap compensation support arm structure is abutted against the bottom surface of the core shaft bearing seat 520.

[0063] It should be noted that the support arm 10 structure of the winder 50 is arranged between the winder frame 510 and the core shaft bearing seat 520, so as to use the winder frame 510 as a support frame, and then compensate for the gap on the side of the core shaft bearing seat 520 under the supporting action of the first support mechanism 20, and compensate for the gap on the bottom surface of the core shaft bearing seat 520 under the supporting action of the second support mechanism 30.

[0064] Furthermore, an annular chamfer is provided at one end of the mandrel bearing seat 520 away from the coiler mandrel 530 .

[0065] It can be understood that providing the chamfer can reduce wear during the swinging contact process when the support arm 10 is closed.

[0066] The above are only preferred embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A coiler gap compensation support arm structure, characterized in that: It includes a support arm, a first support mechanism, a second support mechanism and an opening and closing drive assembly; wherein, The first end of the support arm is used to be hinged on the reel frame, the opening and closing drive assembly is used to be fixed on the reel frame, and the middle part of the first end of the support arm is hinged to the drive end of the opening and closing drive assembly; The first supporting mechanism includes a first supporting wheel, a first eccentric shaft and a first transmission driving mechanism, the second supporting mechanism includes a second supporting wheel, a second eccentric shaft and a second transmission driving mechanism, and the second end of the supporting arm is respectively recessed inwardly along the longitudinal direction to form a first groove and recessed downwardly along the vertical direction to form a second groove; wherein, The first eccentric shaft is vertically extended and rotatably connected to the support arm at both ends. The first supporting wheel is sleeved on the first eccentric shaft and disposed in the first groove. The first transmission drive mechanism is connected to the second end of the support arm and is used to drive the first eccentric shaft to rotate. The second eccentric shaft is longitudinally extended and rotatably connected to the support arm at both ends. The second supporting wheel is sleeved on the second eccentric shaft and disposed in the second groove. The second transmission drive mechanism is connected to the second end of the support arm and is used to drive the second eccentric shaft to rotate. Among them, when the first eccentric shaft drives the first supporting wheel to rotate until it is in abutment with the core shaft bearing seat, it is used to support the side surface of the core shaft bearing seat; when the second eccentric shaft drives the second supporting wheel to rotate until it is in abutment with the core shaft bearing seat, it is used to support the bottom surface of the core shaft bearing seat.

2. The coiler gap compensation support arm structure according to claim 1, characterized in that: The first transmission drive mechanism includes a first worm, a first end cover and a first drive assembly. The first worm itself is rotatably connected to the second end of the support arm and is arranged close to the first eccentric shaft. The top end of the first eccentric shaft has a first worm wheel. The first worm and the first worm wheel are meshed with each other. The first end cover is connected to the support arm by bolts, and the first end cover has a first through hole. The first end of the first worm extends out of the support arm and rotatably passes through the first through hole. The first drive assembly is connected to the support arm and the drive end of the first drive assembly is connected to the first end of the first worm.

3. The coiler gap compensation support arm structure according to claim 2, characterized in that: The second transmission drive mechanism includes a second worm, a second end cover and a second drive assembly. The second worm itself is rotatably connected to the second end of the support arm and is arranged close to the second eccentric shaft. The second eccentric shaft has a second worm gear at an end away from the first eccentric shaft. The second worm and the second worm gear are meshed with each other. The second end cover is connected to the support arm by bolts, and the second end cover has a second through hole. The first end of the second worm extends out of the support arm and rotatably passes through the second through hole. The second drive assembly is connected to the support arm and the drive end of the second drive assembly is connected to the first end of the second worm.

4. The coiler gap compensation support arm structure according to claim 3, characterized in that: The first drive assembly and the second drive assembly both use servo motors.

5. The coiler gap compensation support arm structure according to claim 1, characterized in that: The first supporting wheel is concave inwardly along the circumferential direction and has a curved surface shape.

6. The coiler gap compensation support arm structure according to claim 1, characterized in that: The second supporting wheel is cylindrical.

7. The coiler gap compensation support arm structure according to claim 3, characterized in that: The first supporting mechanism further includes a first top cover, and the second supporting mechanism further includes a second top cover, wherein: The first top cover is connected to the second end of the support arm near the first worm gear by bolts, and the first top cover has a third through hole, and the top end of the first eccentric shaft extends out of the support arm and rotatably passes through the third through hole; The second top cover is connected to the second end of the support arm near the second worm gear by bolts, and the second top cover has a fourth through hole. The end of the second eccentric shaft away from the first eccentric shaft extends out of the support arm and rotatably passes through the fourth through hole.

8. The coiler gap compensation support arm structure according to claim 7, characterized in that: A scale disc is provided on the top end of the first eccentric shaft and the end of the second eccentric shaft away from the first eccentric shaft.

9. A coiler, comprising a coiler frame, a core shaft bearing seat and a coiler core shaft, wherein one end of the coiler core shaft is connected to the core shaft bearing seat, and the coiler frame and the core shaft bearing seat are spaced apart in the longitudinal direction, characterized in that: It also includes a winder gap compensation support arm structure as described in any one of claims 1 to 8, wherein the first end of the support arm of the winder gap compensation support arm structure is hinged to the winder frame through a pin shaft, the opening and closing drive assembly of the winder gap compensation support arm structure is fixed to the winder frame, the first supporting wheel of the winder gap compensation support arm structure is abutted against the side surface of the core shaft bearing seat, and the second supporting wheel of the winder gap compensation support arm structure is abutted against the bottom surface of the core shaft bearing seat.

10. The coiler according to claim 9, characterized in that An annular chamfer is provided on one end of the mandrel bearing seat away from the coiler mandrel.

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