阅读说明：本技术 一种带状物料纠偏放卷装置 (Belt material deviation-rectifying unwinding device ) 是由 张俊峰 叶长春 黄家富 于 2020-06-01 设计创作，主要内容包括：本发明公开了一种带状物料纠偏放卷装置,包括机架、放卷辊、轴套、直线驱动机构和旋转驱动机构；旋转驱动机构轴套可绕其中心轴线旋转地安装在旋转驱动机构机架上；旋转驱动机构用于带动旋转驱动机构轴套旋转；旋转驱动机构放卷辊穿设在旋转驱动机构轴套内,与旋转驱动机构轴套周向固定且轴向可相对运动；旋转驱动机构直线驱动机构用于带动旋转驱动机构放卷辊沿旋转驱动机构放卷辊的轴向运动。本发明通过设置将放卷辊穿设于轴套内,且放卷辊与轴套之间周向固定且轴向可相对运动,如此,直线驱动机构实现放卷辊轴向运动时仅需要带动放卷辊运动即可,可降低直线驱动机构传动的重量,其能提高纠偏的精度以及稳定性。(The invention discloses a belt-shaped material deviation-rectifying and unwinding device which comprises a rack, an unwinding roller, a shaft sleeve, a linear driving mechanism and a rotary driving mechanism, wherein the linear driving mechanism is arranged on the rack; the rotary driving mechanism shaft sleeve can be rotatably arranged on the rotary driving mechanism frame around the central axis; the rotary driving mechanism is used for driving the shaft sleeve of the rotary driving mechanism to rotate; the unwinding roller of the rotary driving mechanism is arranged in the shaft sleeve of the rotary driving mechanism in a penetrating way, is fixed with the shaft sleeve of the rotary driving mechanism in the circumferential direction and can move relatively in the axial direction; the linear driving mechanism of the rotary driving mechanism is used for driving the unwinding roller of the rotary driving mechanism to move along the axial direction of the unwinding roller of the rotary driving mechanism. According to the invention, the unwinding roller is arranged in the shaft sleeve in a penetrating manner, and the unwinding roller and the shaft sleeve are fixed in the circumferential direction and can move relatively in the axial direction, so that the linear driving mechanism only needs to drive the unwinding roller to move when realizing the axial movement of the unwinding roller, the transmission weight of the linear driving mechanism can be reduced, and the deviation rectifying precision and stability can be improved.)

1. The utility model provides a beltlike material unwinding device that rectifies which characterized in that: comprises a frame, a unreeling roller, a shaft sleeve, a linear driving mechanism and a rotary driving mechanism; the shaft sleeve is rotatably arranged on the frame around the central axis of the shaft sleeve; the rotary driving mechanism is used for driving the shaft sleeve to rotate; the unwinding roller penetrates through the shaft sleeve, is fixed with the shaft sleeve in the circumferential direction and can move axially relative to the shaft sleeve; the linear driving mechanism is used for driving the unwinding roller to move along the axial direction of the unwinding roller.

2. The deviation-rectifying and unwinding device for belt-shaped materials as claimed in claim 1, characterized in that: the belt-shaped material deviation-rectifying and unwinding device further comprises a deviation-rectifying mechanism; the deviation rectifying mechanism comprises an optical fiber sensor, a controller and a first receiving roller; the first receiving roller is pivoted on the rack and is used for receiving the strip-shaped material drawn out of the unwinding roller; the optical fiber sensor is used for detecting a position signal of the belt-shaped material in the axial direction of the first receiving roller and sending the position signal to the controller; the controller is used for controlling the operation of the linear driving mechanism according to the position signal.

3. The deviation-rectifying and unwinding device for belt-shaped materials as claimed in claim 2, characterized in that: the first receiving roller is provided with a calibration scribed line.

4. The deviation-rectifying and unwinding device for belt-shaped materials as claimed in claim 2, characterized in that: the deviation correcting mechanism further comprises a second receiving roller pivoted on the rack; the second receiving roller is used for receiving the strip-shaped materials led out from the first receiving roller; the optical fiber sensor comprises a light projector and a light receiver which are arranged between the first receiving roller and the second receiving roller; the light projector and the light receiver are arranged at intervals.

5. The deviation-rectifying and unwinding device for belt-shaped materials as claimed in claim 1, characterized in that: the shaft sleeve is provided with a limit groove extending along the axial direction of the shaft sleeve; and a limiting block which is movably matched with the limiting groove in an inserting manner is fixed on the unwinding roller.

6. The deviation-rectifying and unwinding device for belt-shaped materials as claimed in claim 1, characterized in that: the linear driving mechanism comprises a first rotating motor, a screw rod and a screw rod nut; an output shaft of the first rotating motor is in transmission connection with the screw rod; the screw rod nut is sleeved outside the screw rod nut in a matching manner and can be mounted on the rack in a way of moving along the axial direction of the shaft sleeve; and the feed screw nut is fixedly connected with the unwinding roller.

7. The deviation-rectifying and unwinding device for belt-shaped materials as claimed in claim 1, characterized in that: the rotary driving mechanism comprises a second rotary motor, a transmission belt, a driving gear and a driven gear; the driven gear is fixedly sleeved outside the shaft sleeve; the driving gear is fixedly sleeved outside an output shaft of the second rotating motor; the transmission belt is wound outside the driving gear and the driven gear.

8. The deviation-rectifying and unwinding device for belt-shaped materials as claimed in claim 1, characterized in that: the belt-shaped material deviation-rectifying and unwinding device further comprises a material receiving processing mechanism; the material receiving processing mechanism comprises a workbench, two clamping plates and two driving structures which are arranged in one-to-one correspondence with the two clamping plates; a cutting straight groove parallel to the axial direction of the unwinding roller is formed in the workbench; the two clamping plates are respectively arranged on two opposite sides of the cutting straight groove and are respectively arranged above the workbench in a vertically movable manner; the clamping plate is used for being matched with the workbench to clamp the strip-shaped material; the driving structure is used for driving the corresponding clamping plate to move.

9. The deviation-rectifying and unwinding device for belt-shaped materials as claimed in claim 8, wherein: the driving structure is a lifting cylinder, and a telescopic rod of the lifting cylinder is in transmission connection with the clamping plate.

Technical Field

The invention relates to a strip material unwinding device, in particular to a deviation-correcting unwinding device for strip materials.

Background

In the existing unreeling process of the strip-shaped material, such as a pole piece, the position of the strip-shaped material in the axial direction of the unreeling roller is deviated due to continuous traction of the strip-shaped material, which is not beneficial to other subsequent equipment to perform other operations on the strip-shaped material, so that besides a rotating motor for driving the unreeling roller to rotate, a mechanism for correcting the position of the strip-shaped material in the unreeling roller relative to a rack needs to be arranged; the current is commonly used and all installs rotating electrical machines and unreeling roller on the mount pad, and the mount pad is installed in the frame, thereby later linear electric motor drives the mount pad along unreeling roller axial motion realization adjustment's mode, and at this moment, linear electric motor need drive rotating electrical machines and mount pad and move together except that unreeling roller motion need be driven, and the quality is too big, influences the precision and the stability of rectifying.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a deviation rectifying and unwinding device for a strip-shaped material, which can improve the deviation rectifying precision and stability.

The purpose of the invention is realized by adopting the following technical scheme:

a deviation-rectifying and unwinding device for a strip-shaped material comprises a rack, an unwinding roller, a shaft sleeve, a linear driving mechanism and a rotary driving mechanism; the shaft sleeve is rotatably arranged on the frame around the central axis of the shaft sleeve; the rotary driving mechanism is used for driving the shaft sleeve to rotate; the unwinding roller penetrates through the shaft sleeve, is fixed with the shaft sleeve in the circumferential direction and can move axially relative to the shaft sleeve; the linear driving mechanism is used for driving the unwinding roller to move along the axial direction of the unwinding roller.

Furthermore, the belt-shaped material deviation-rectifying and unwinding device also comprises a deviation-rectifying mechanism; the deviation rectifying mechanism comprises an optical fiber sensor, a controller and a first receiving roller; the first receiving roller is pivoted on the rack and is used for receiving the strip-shaped material drawn out of the unwinding roller; the optical fiber sensor is used for detecting a position signal of the belt-shaped material in the axial direction of the first receiving roller and sending the position signal to the controller; the controller is used for controlling the operation of the linear driving mechanism according to the position signal.

Further, the first receiving roller is provided with a calibration scribed line.

Furthermore, the deviation correcting mechanism also comprises a second receiving roller pivoted on the rack; the second receiving roller is used for receiving the strip-shaped materials led out from the first receiving roller; the optical fiber sensor comprises a light projector and a light receiver which are arranged between the first receiving roller and the second receiving roller; the light projector and the light receiver are arranged at intervals.

Furthermore, a limit groove extending along the axial direction of the shaft sleeve is formed in the shaft sleeve; and a limiting block which is movably matched with the limiting groove in an inserting manner is fixed on the unwinding roller.

Further, the linear driving mechanism comprises a first rotating motor, a screw rod and a screw rod nut; an output shaft of the first rotating motor is in transmission connection with the screw rod; the screw rod nut is sleeved outside the screw rod nut in a matching manner and can be mounted on the rack in a way of moving along the axial direction of the shaft sleeve; and the feed screw nut is fixedly connected with the unwinding roller.

Further, the rotary driving mechanism comprises a second rotary motor, a transmission belt, a driving gear and a driven gear; the driven gear is fixedly sleeved outside the shaft sleeve; the driving gear is fixedly sleeved outside an output shaft of the second rotating motor; the transmission belt is wound outside the driving gear and the driven gear.

Furthermore, the belt-shaped material deviation-rectifying and unwinding device also comprises a material receiving processing mechanism; the material receiving processing mechanism comprises a workbench, two clamping plates and two driving structures which are arranged in one-to-one correspondence with the two clamping plates; a cutting straight groove parallel to the axial direction of the unwinding roller is formed in the workbench; the two clamping plates are respectively arranged on two opposite sides of the cutting straight groove and are respectively arranged above the workbench in a vertically movable manner; the clamping plate is used for being matched with the workbench to clamp the strip-shaped material; the driving structure is used for driving the corresponding clamping plate to move.

Further, the driving structure is a lifting cylinder, and a telescopic rod of the lifting cylinder is in transmission connection with the clamping plate.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the unwinding roller is arranged in the shaft sleeve in a penetrating manner, and the unwinding roller and the shaft sleeve are fixed in the circumferential direction and can move relatively in the axial direction, so that the unwinding roller can rotate by driving the shaft sleeve to rotate through the rotary driving mechanism, and the unwinding roller only needs to be driven to move when the unwinding roller moves axially through the linear driving mechanism, so that the transmission weight of the linear driving mechanism can be reduced, and the deviation rectifying precision and stability can be improved; moreover, the linear driving mechanism only needs to drive the unwinding roller but not the rotary driving mechanism, so that the energy consumption can be reduced, and the energy is saved.

Drawings

FIG. 1 is a schematic structural diagram of a deviation rectifying and unwinding device for belt-shaped materials according to the present invention;

FIG. 2 is a schematic structural view of the unwinding roller, the linear driving mechanism and the rotary driving mechanism of the present invention;

FIG. 3 is a schematic structural view of an unwinding roller, a linear driving mechanism, a shaft sleeve and a rotary driving mechanism of the present invention;

FIG. 4 is a schematic structural diagram of a deviation correcting mechanism of the present invention;

fig. 5 is a schematic structural view of the receiving processing mechanism of the invention.

In the figure: 10. a frame; 20. unwinding rollers; 30. a shaft sleeve; 40. a linear drive mechanism; 50. a rotation driving mechanism; 51. a second rotating electrical machine; 52. a transmission belt; 53. a driving gear; 54. a driven gear; 60. a deviation rectifying mechanism; 61. an optical fiber sensor; 62. a first receiving roller; 63. a second receiving roller; 70. a limiting groove; 80. a limiting block; 90. a material receiving processing mechanism; 91. a work table; 92. a splint; 93. a drive structure; 94. cutting a straight groove; 100. calibrating a reticle; 110. and (4) belt-shaped materials.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

As shown in fig. 1-3, the deviation-rectifying and unwinding device for strip-shaped materials comprises a frame 10, an unwinding roller 20, a shaft sleeve 30, a linear driving mechanism 40 and a rotary driving mechanism 50; the unwinding roller 20 is arranged in the shaft sleeve 30 in a penetrating way, is fixed with the shaft sleeve 30 in the circumferential direction and can move relatively in the axial direction, and it can be understood that the unwinding roller 20 cannot rotate around the central axis of the shaft sleeve 30 relative to the shaft sleeve 30, and the unwinding roller 20 can move relative to the shaft sleeve 30 along the axial direction; the linear driving mechanism 40 is used for driving the unwinding roller 20 to move along the axial direction of the unwinding roller 20, so as to adjust the position of the belt-shaped material 110 wound on the unwinding roller 20 relative to the frame 10; the shaft sleeve 30 is rotatably mounted on the frame 10 about its central axis, i.e., the shaft sleeve 30 is rotatable relative to the frame 10; the rotary driving mechanism 50 is used for driving the shaft sleeve 30 to rotate, and at the moment, the unwinding roller 20 rotates along with the shaft sleeve 30, so that the unwinding roller 20 rotates to discharge materials; from the above, the linear driving mechanism 40 only needs to drive the unwinding roller 20 to move, so that the axial movement of the unwinding roller 20 can be realized, the transmission weight of the linear driving mechanism 40 can be reduced, and the deviation rectifying precision and stability can be improved; in addition, the linear driving mechanism 40 only needs to drive the unwinding roller 20 to move, and the rotary driving mechanism 50 only needs to drive the unwinding roller 20 and the shaft sleeve 30 to move, so that energy consumption can be reduced.

As shown in fig. 1 and 4, in order to realize the automatic operation of adjusting the position of the strip-shaped material 110 without manually checking whether the strip-shaped material 110 deviates at any time, the strip-shaped material deviation-rectifying and unwinding device further comprises a deviation-rectifying mechanism 60; the deviation correcting mechanism 60 includes an optical fiber sensor 61, a controller, and a first receiving roller 62; the first receiving roller 62 is pivoted on the frame 10 and is used for receiving the strip-shaped material 110 drawn from the unwinding roller 20; the optical fiber sensor 61 is used for detecting a position signal of the strip-shaped material 110 in the axial direction of the first receiving roller 62 and sending the position signal to the controller; the controller is used for controlling the operation of the linear driving mechanism 40 according to the position signal; it can be understood that the controller is internally provided with a displacement value a1 set with an initial position, the controller receives a position signal as a displacement value a2, and by comparing a1 with a2, when the two are different, the controller controls the linear driving mechanism 40 to drive the strip-shaped material 110 to move by a difference value C according to the difference value C between the two; for example, the displacement value a1 of the initial position is the standard distance between the edge of the strip material 110 away from the rack 10 and the rack 10, and accordingly, the position signal (displacement value a2) detected by the optical fiber sensor 61 is the actual distance between the edge of the strip material 110 away from the rack 10 and the rack 10.

In order to determine the initial position of the optical fiber sensor 61, the first receiving roller 62 is provided with a calibration reticle 100; in this manner, when the tape 110 is installed, the edge of the tape 110 remote from the rack 10 is aligned with the calibration reticle 100, and at this time, the initial position of the optical fiber sensor 61 can be determined by making the position signal (displacement value a2) detected by the optical fiber sensor 61 equal to the displacement value a 1.

The optical fiber sensor 61 is ｃA conventional component, and the optical fiber sensor 61 with the models of MKM-1140, E20423FT-00-P-A-M6 can be adopted.

Specifically, the deviation correcting mechanism 60 further includes a second receiving roller 63 pivotally connected to the frame 10; the second receiving roller 63 is used for receiving the belt-shaped material 110 led out from the first receiving roller 62; the optical fiber sensor 61 includes a light projector and a light receiver both provided between the first receiving roller 62 and the second receiving roller 63; the light projector and the light receiver are arranged at intervals.

Specifically, the shaft sleeve 30 is provided with a limit groove 70 extending along the axial direction thereof; the unwinding roller 20 is fixed with a limiting block 80; the limiting block 80 is movably matched with the limiting groove 70, so that the unwinding roller 20 can move along the axial direction, and the limiting block 80 is also inserted and matched with the limiting groove 70, so that the unwinding roller 20 is limited to rotate relative to the shaft sleeve 30.

Further, the linear driving mechanism 40 includes a first rotating motor, a lead screw, and a lead screw nut; the body of the first rotating electrical machine is mounted on the frame 10; an output shaft of the first rotating motor is in transmission connection with the screw rod; the screw rod nut is sleeved outside the screw rod nut in a matching way and can be arranged on the rack 10 along the axial direction of the shaft sleeve 30 in a moving way; the feed screw nut is fixedly connected with the unwinding roller 20; through the cooperation of lead screw and screw-nut, realize stable transmission.

The above-mentioned rotation driving mechanism 50 includes a second rotating electric machine 51, a transmission belt 52, a driving gear 53 and a driven gear 54; the driven gear 54 is fixedly sleeved outside the shaft sleeve 30; the driving gear 53 is fixedly sleeved outside an output shaft of the second rotating motor 51; the transmission belt 52 is wound outside the driving gear 53 and the driven gear 54; of course, the rotary drive mechanism 50 may be a rotary motor, and an output shaft of the rotary motor is fixed to the sleeve 30.

As shown in fig. 1 and 5, the deviation-rectifying unwinding device for belt-shaped materials further comprises a material receiving processing mechanism 90; the material receiving processing mechanism 90 is arranged between the lug forming mechanism and the cutting mechanism; the material receiving processing mechanism 90 comprises a workbench 91, two clamping plates 92 and two driving structures 93 which are arranged corresponding to the two clamping plates 92 one by one; a cutting straight groove 94 which is horizontally vertical to the first direction is formed on the workbench 91; the two clamping plates 92 are respectively arranged at two opposite sides of the straight cutting groove 94 and are respectively arranged above the workbench 91 in a way of moving up and down; the clamping plate 92 is used for clamping the belt-shaped material 110 in cooperation with the workbench 91; the driving structure 93 is used for driving the corresponding clamping plate 92 to move; thus, when the strip-shaped material 110 is replaced, the tail end of the previous strip-shaped material 110 is pulled to a position between the clamping plate 92 and the workbench 91, and the driving structure 93 drives the clamping plate 92 to move in the reverse direction close to the workbench 91 until the clamping plate 92 and the workbench 91 are matched to clamp the strip-shaped material 110; repeating the above operation to clamp the head end of the next belt-shaped material 110 on the clamping plate 92 on the other side, simultaneously overlapping the belt-shaped materials 110 on the two sides at the position of the straight cutting groove 94, and cutting the belt-shaped materials 110 along the straight cutting groove 94 by using an external cutter, wherein at the moment, the belt-shaped materials 110 on the two sides are seamlessly attached, and no overlapping part exists, so that the problem that the conveying is not smooth due to the excessive thickness of the position in the later-stage conveying process is avoided; then, the belt-shaped materials 110 at the two sides can be bonded by adopting an external adhesive tape and the like; the process does not need manual pressing, and is convenient for single operation.

The driving structure 93 may be a linear motor or a lifting cylinder; when this drive structure 93 is the lift cylinder, the telescopic link of lift cylinder is connected with splint 92 transmission, realizes splint 92's lift through the flexible of the telescopic link of lift cylinder.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.