CN213778910U

CN213778910U - Coating width measuring device

Info

Publication number: CN213778910U
Application number: CN202022460725.2U
Authority: CN
Inventors: 张龙
Original assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Current assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-23
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to a battery manufacturing technology field provides a coating width measuring device, including the guide pillar of horizontal await measuring object top, sliding connection a plurality of sliders on the guide pillar, drive correspond the actuating mechanism that the slider removed along the axial direction of guide pillar and equal sliding connection in the laser emission subassembly and the laser reflection subassembly of the slider that corresponds, laser emission subassembly and laser emission subassembly are located side by side on the slider and can be in opposite directions or carry on the back mutually and remove on corresponding slider. The width of a blank area of an object to be measured is measured by utilizing the fact that laser emitted by the laser emitting component is reflected by the laser reflecting component and then irradiates. Simultaneously, the slider moves in the axial direction of guide pillar under actuating mechanism's drive for the laser of laser emission subassembly transmission can test the substrate of different specifications, and, the equal slidable relatively slider of laser emission subassembly and laser emission subassembly, and the interval between the two is adjustable promptly, realizes the fine setting to the range finding width, thereby adapts to the width measurement in different white areas of staying.

Description

Coating width measuring device

Technical Field

The utility model relates to a battery manufacturing technology field especially provides a coating width measuring device.

Background

The coating is an important link in the manufacturing process of the lithium battery, and the coating quality directly determines the performance and safety requirements of the lithium battery. Wherein the coating width is a process parameter which is mainly monitored in the coating link. Since the coating width is a variable during the coating process, it is necessary to monitor the whole process, and for example, the consistency of the slurry, the stability of the coating pressure, the stability of the substrate during the tape-off process, etc. affect the coating width.

At present, the coating width is measured on line by adopting a camera irradiation acquisition mode, but the high reflectivity of foil and the vibration of a strip in the high-speed tape running process cause imaging difficulty, so that a large error exists in the coating width measurement, therefore, an operator needs to manually measure a blank area at the position of a coating head to verify whether the coating width can meet the process requirement. However, the manual measurement of the margin area at the edge part has high requirements on operators, which is likely to cause scrapping of the pole piece, and seriously affects the production efficiency and the production yield of the coating process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a coating width measuring device aims at solving the problem that current coating width measurement mode precision is low.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a coating width measuring device, includes the guide pillar of horizontal object top that awaits measuring, a plurality of sliders of sliding connection on the guide pillar, the drive corresponds actuating mechanism that the slider moved along the axial direction of guide pillar and equal sliding connection in the laser emission subassembly and the laser reflection subassembly of the slider that corresponds, and laser emission subassembly and laser reflection subassembly are located side by side on the slider and can be in opposite directions or carry on the back of the body and move on corresponding the slider.

The utility model has the advantages that: the utility model provides a coating width measuring device utilizes the laser of laser emission subassembly transmission to shine at the await measuring object after the reflection of laser reflection subassembly, on the substrate promptly, measures the width of staying blank area above that. Simultaneously, the slider moves in the axial direction of guide pillar under actuating mechanism's drive for the laser of laser emission subassembly transmission can test the substrate of different specifications, and, the equal slidable relatively slider of laser emission subassembly and laser emission subassembly, and the interval between the two is adjustable promptly, realizes the fine setting to the range finding width, thereby adapts to the width measurement in different white areas of staying. The whole measuring process utilizes laser ranging, and the measuring precision is greatly improved.

In one embodiment, the laser emission assembly comprises a bracket connected to the sliding block in a sliding mode, and a first emitter and a second emitter which are arranged on the bracket, wherein the first emitter and/or the second emitter are/is connected to the bracket in a sliding mode so that the distance between the first emitter and the second emitter is adjustable.

By adopting the technical scheme, whether the width of the blank area or the coating area on the substrate meets the requirement or not is measured by using the distance between the laser beams emitted by the first emitter and the second emitter as a measurement scale. Meanwhile, the distance between the two is adjustable, so that the device is further suitable for substrates with different sizes, namely, the measurement range is improved.

In one embodiment, the laser firing assembly includes a vertical adjustment mechanism including an adjuster mounted on the bracket and a support block disposed at a free end of the adjuster, the first or second emitter being mounted on the support block.

Through adopting above-mentioned technical scheme, utilize the regulator to drive the supporting shoe and make the interval between first generator and the second generator change.

In one embodiment, the laser reflection assembly comprises a housing with an n-shaped cross section, two rotating shafts parallelly and intermittently penetrating the housing, and a first reflector and a second reflector which are arranged on the corresponding rotating shafts, wherein the first reflector corresponds to the first emitter, the second reflector corresponds to the second emitter, and the two rotating shafts can move up and down along the height direction of the housing.

By adopting the technical scheme, the first reflector is used for reflecting the laser beam of the first emitter, the second reflector is used for reflecting the laser beam of the second emitter, and the distance between the first reflector and the second reflector is adjustable to adapt to the change of the distance between the first emitter and the second emitter.

In one embodiment, the vertical part of the shell is provided with a strip-shaped hole extending along the height direction of the vertical part, two opposite ends of the rotating shaft slide in the strip-shaped hole, and two opposite ends of the rotating shaft are also provided with first locking pieces.

Through adopting above-mentioned technical scheme, the rotation axis that corresponds removes in order to realize the interval change between first reflector and the second reflector in the bar hole to and the position of first retaining member spacing rotation axis in the bar hole.

In one embodiment, the coating width measuring device further includes a frame on which the guide post is mounted.

By adopting the technical scheme, the stand is utilized to support the guide pillar, and the requirement on the position of the guide pillar above the object to be detected in the transverse mode is met.

In one embodiment, the driving mechanism comprises a driving motor arranged on the frame and a screw rod with one end connected to the output end of the driving motor and one end penetrating through the sliding block, and the screw rod is in threaded connection with the sliding block.

Through adopting above-mentioned technical scheme, driving motor drives the lead screw and rotates around the axle to, lead screw swing joint is in the slider, and like this, the slider of installing on the guide pillar then along lead screw axial direction reciprocating motion to realize measuring the adjustment on a large scale of stroke.

In one embodiment, the rack is provided with a guide post fixing block for supporting the guide post, the screw rod is arranged in the guide post fixing block in a penetrating mode, and the screw rod is further sleeved with a second locking piece which abuts against the guide post fixing block to limit rotation of the screw rod.

Through adopting above-mentioned technical scheme, the guide pillar fixed block plays the effect of consolidating to decide the connection to, the second retaining member is used for spacing lead screw to rotate, thereby ensures to slide the position on the guide pillar relatively stable.

In one embodiment, the coating width measuring device further includes a third locking member disposed through the slider and abutting against the guide post.

Through adopting above-mentioned technical scheme, utilize the third retaining member further spacing slider in the position of guide pillar.

In one embodiment, the coating width measuring device further includes a horizontal adjusting mechanism, a fixed portion of which is connected to the slider, and a movable portion of which is connected to the laser emitting assembly or the laser reflecting assembly.

Through adopting above-mentioned technical scheme, utilize horizontal adjustment mechanism to change the relative interval between laser emission subassembly and the laser reflection subassembly, and then finely tune the range finding width, improve measurement accuracy.

Drawings

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

Fig. 1 is a front view of a coating width measuring device according to an embodiment of the present invention;

fig. 2 is a top view of a coating width measuring device according to an embodiment of the present invention;

fig. 3 is a left side view of a laser emitting assembly of a coating width measuring device according to an embodiment of the present invention;

fig. 4 is a front view of a laser emitting assembly of a coating width measuring device according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of a laser reflection assembly of a coating width measuring device according to an embodiment of the present invention;

fig. 6 is another cross-sectional view of a laser reflection assembly of a coating width measuring device according to an embodiment of the present invention;

fig. 7 is a front view of a coating width measuring device according to another embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

the laser emitting device comprises a guide post 10, a sliding block 20, a driving mechanism 30, a laser emitting assembly 40, a laser reflecting assembly 50, a bracket 41, a first emitter 42, a second emitter 43, a vertical adjusting mechanism 44, an adjuster 441, a supporting block 442, a shell 51, a rotating shaft 52, a first reflector 53, a second reflector 54, a strip-shaped hole 5a, a first locking piece 55, a frame 60, a driving motor 31, a screw rod 32, a coupler 33, a guide post fixing block 34, a second locking piece 35, a third locking piece 36, a horizontal adjusting mechanism 70, a sliding rod 37 and a stepping motor 38.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 and 2, the coating width measuring apparatus of the present application includes a guide pillar 10 horizontally disposed above an object to be measured, a plurality of sliders 20 slidably connected to the guide pillar 10, a driving mechanism 30 for driving the corresponding slider 20 to move along an axial direction of the guide pillar 10, and a laser emitting assembly 40 and a laser reflecting assembly 50 both slidably connected to the corresponding slider 20, wherein the laser emitting assembly 40 and the laser reflecting assembly 50 are disposed side by side on the slider 20 and can move toward or away from each other on the corresponding slider 20. It can be understood that the laser emitting assembly 40 can emit a laser beam, and the laser reflecting assembly 50 is used for reflecting the laser beam, so that changing the reflection angle of the laser reflecting assembly 50 can greatly change the ranging width, thereby adapting to objects to be measured with different specifications. And, a guide rail on which the laser emitting assembly 40 and the laser reflecting assembly 50 slide is provided on the slider 20.

The utility model provides a coating width measuring device utilizes the laser of the transmission of laser emission subassembly 40 to shine at the await measuring object after the reflection of laser reflection subassembly 50, on the substrate promptly, measures the width of staying blank area on it. Meanwhile, the sliding block 20 is driven by the driving mechanism 30 to move in the axial direction of the guide pillar 10, so that laser emitted by the laser emitting component 40 can test base materials of different specifications, and the laser emitting component 40 and the laser reflecting component 50 can slide relative to the sliding block 20, namely the distance between the laser emitting component 40 and the laser reflecting component 50 can be adjusted, the fine adjustment of the distance measurement width is realized, and the width measurement of different blank areas is adapted. The whole measuring process utilizes laser ranging, and the measuring precision is greatly improved.

Referring to fig. 1, 3 and 4, in one embodiment, the laser emitting assembly 40 includes a bracket 41 slidably connected to the slider 20, and a first emitter 42 and a second emitter 43 both disposed on the bracket 41, wherein the first emitter 42 and/or the second emitter 43 are slidably connected to the bracket 41 such that the distance between the two emitters is adjustable. Here, the distance between the laser beams emitted from the first emitter 42 and the second emitter 43 is used as a measurement scale to measure whether the width of the blank area or the coating area on the substrate is satisfactory, and it is understood that the distance between the two laser beams is a standard width and can be calibrated by a film ruler. Meanwhile, the distance between the first emitter 42 and the second emitter 43 can be adjusted to further adapt to substrates with different size specifications, i.e. to improve the measurement range thereof. And aiming at the characteristics of the positive foil and the negative foil, the positive foil is measured by the red laser beam, and the negative foil is measured by the green laser beam, so that a better visual identification effect can be obtained, and the judgment of an operator is facilitated.

Referring to fig. 3 and 4, in one embodiment, the laser emitting assembly 40 includes a vertical adjusting mechanism 44, the vertical adjusting mechanism 44 includes an adjuster 441 mounted on the bracket 41 and a supporting block 442 disposed at a movable end of the adjuster 441, and the first emitter 42 or the second emitter 43 is mounted on the supporting block 442. It is understood that in the present embodiment, the first emitter 42 and the second emitter 43 are arranged vertically up and down, i.e., the regulator 441 is also erected. Specifically, the first radiator 42 is mounted on the supporting block 442, the second radiator 43 is mounted on the bracket 41, and the supporting block 442 is moved by the adjuster 441 to move the first radiator 42 in a vertical direction with respect to the second radiator 43. Here, the regulator 441 is a micrometer screw.

Referring to fig. 1, 5 and 6, in one embodiment, the laser reflection assembly 50 includes a housing 51 with an n-shaped cross section, two rotating shafts 52 parallelly and intermittently penetrating the housing 51, and a first reflector 53 and a second reflector 54 mounted on the corresponding rotating shafts 52, wherein the first reflector 53 corresponds to the first emitter 42, the second reflector 54 corresponds to the second emitter 43, and the two rotating shafts 52 can move up and down along the height direction of the housing 51. It will be appreciated that the laser beam of the first emitter 42 is reflected by the first reflector 53 and the laser beam of the second emitter 43 is reflected by the second reflector 54, and that the spacing between the first reflector 53 and the second reflector 54 is adjustable to accommodate variations in the spacing between the first emitter 42 and the second emitter 43. Meanwhile, the first reflector 53 and the second reflector 54 may also be pivoted on the corresponding rotation shafts 52, thereby changing the reflection angle and further changing the ranging width. Here, the reflector is a mirror or another specular body having a reflecting function.

With continued reference to fig. 6, the vertical portion of the housing 51 is opened with a strip-shaped hole 51a extending along the height direction thereof, opposite ends of the rotating shaft 52 slide in the strip-shaped hole 51a, and opposite ends of the rotating shaft 52 are further provided with first locking pieces 55. By adopting the above technical solution, the corresponding rotating shaft 52 moves in the strip-shaped hole 51a to realize the distance change between the first reflector 53 and the second reflector 54, and the first locking piece 55 can limit the position of the rotating shaft 52 in the strip-shaped hole 51 a. Here, the first locking member 55 is a lock nut.

Referring to fig. 1 and 2, in one embodiment, the coating width measuring apparatus further includes a frame 60, and the guide pillar 10 is mounted on the frame 60. By adopting the technical scheme, the stand 60 is utilized to support the guide post 10, and the position requirement that the guide post 10 is transversely arranged above the object to be measured is met.

Referring to fig. 1 and 2, in an embodiment, the driving mechanism 30 includes a driving motor 30 disposed on the frame 60 and a lead screw 32 having one end connected to an output end of the driving motor 30 and one end penetrating through the slider 20, wherein the lead screw 32 is threadedly connected to the slider 20. It can be understood that the driving motor 30 drives the screw rod 32 to rotate around the shaft, and the screw rod 32 is screwed to the slide block 20, so that the slide block 20 mounted on the guide pillar 10 reciprocates along the axial direction of the screw rod 32 to realize the adjustment of the measuring stroke in a wide range. The motor controls the screw rod 32 to rotate, and the rotation precision is higher. Here, the driving motor 30 is a stepping motor. The whole driving mechanism 30, the sliding block 20 and the guide post 10 are combined to form a screw rod 32 mechanism, and the rotary motion of the driving motor 30 is converted into the linear motion of the sliding block 20 on the guide post 10. Preferably, referring to fig. 1, a coupling 33 is further disposed between the driving motor 30 and the lead screw 32. Namely, the dynamic rotation performance of the screw 32 is improved by the coupling 33.

Referring to fig. 1 and 2, in an embodiment, the frame 60 is provided with a guide post fixing block 34 for supporting the guide post 10, the lead screw 32 is inserted into the guide post fixing block 34, the lead screw 32 is further sleeved with a second locking member 35, and the second locking member 35 abuts against the guide post fixing block 34 to limit the rotation of the lead screw 32. By adopting the above technical solution, the guide pillar fixing block 34 plays a role of reinforcing the fixed connection, and the second locking member 35 is used for limiting the rotation of the lead screw 32, thereby ensuring that the position sliding on the guide pillar 10 is relatively stable. Here, the second locker 35 is a lock nut.

Referring to fig. 1, in one embodiment, the coating width measuring device further includes a third locking member 36, and the third locking member 36 is disposed through the sliding block 20 and abuts against the guide pillar 10. By adopting the technical scheme, the third locking piece 36 is utilized to further limit the position of the sliding block 20 on the guide post 10. Here, the third locker 36 is a locking screw.

Referring to fig. 1 and 2, in one embodiment, the coating width measuring apparatus further includes a horizontal adjusting mechanism 70, a fixed portion of the horizontal adjusting mechanism 70 is connected to the slider 20, and a movable portion of the horizontal adjusting mechanism 70 is connected to the laser emitting assembly 40 or the laser reflecting assembly 50. It can be understood that the horizontal adjusting mechanism 70 is used to change the relative distance between the laser emitting assembly 40 and the laser reflecting assembly 50, so as to finely adjust the distance measuring width and improve the measuring accuracy. Here, the horizontal adjustment mechanism 70 is disposed in the horizontal direction, i.e., parallel to the axial direction of the guide post 10. The leveling mechanism 70 is a micrometer screw.

Referring to fig. 3, in another embodiment, the driving mechanism 30 includes a sliding rod 37 disposed on the frame 60 and parallel to the guide post 10, and a stepping motor 38 disposed on the sliding rod 37, wherein a fixed end of the stepping motor 38 is connected to the sliding block 20. Thus, the corresponding slide 20 is moved relative to the guide post 10 by the stepping motor 38 sliding on the slide rod 37.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A coating width measuring device characterized in that: the laser emission device comprises a guide pillar, a plurality of sliding blocks, a driving mechanism, a laser emission component and a laser reflection component, wherein the guide pillar is transversely arranged above an object to be detected, the sliding blocks are connected to the guide pillar in a sliding mode, the driving mechanism drives the corresponding sliding blocks to move along the axial direction of the guide pillar, the laser emission component and the laser reflection component are connected to the corresponding sliding blocks in a sliding mode, and the laser emission component and the laser reflection component are arranged on the sliding blocks side by side and can move on the corresponding sliding blocks in an opposite direction or in an opposite direction.

2. The coating width measuring apparatus according to claim 1, characterized in that: the laser emission assembly comprises a bracket, a first emitter and a second emitter, wherein the bracket is connected to the sliding block in a sliding mode, and the first emitter and the second emitter are arranged on the bracket, and the first emitter and/or the second emitter are/is connected to the bracket in a sliding mode so that the distance between the first emitter and the second emitter can be adjusted.

3. The coating width measuring apparatus according to claim 2, characterized in that: the laser emission assembly comprises a vertical adjusting mechanism, the vertical adjusting mechanism comprises an adjuster arranged on the support and a supporting block arranged at the movable end of the adjuster, and the first emitter or the second emitter is arranged on the supporting block.

4. The coating width measuring apparatus according to claim 2, characterized in that: the laser reflection assembly comprises a shell with an n-shaped cross section, two rotating shafts which are parallelly and alternately arranged on the shell in a penetrating mode, and a first reflector and a second reflector which are arranged on the corresponding rotating shafts, wherein the first reflector corresponds to the first emitter, the second reflector corresponds to the second emitter, and the two rotating shafts can move up and down along the height direction of the shell.

5. The coating width measuring apparatus according to claim 4, characterized in that: the vertical portion of casing sets up the bar hole that extends along its direction of height, the relative both ends of rotation axis in slide in the bar hole, the relative both ends of rotation axis still are equipped with first retaining member.

6. The coating width measuring device according to any one of claims 1 to 5, characterized in that: the coating width measuring device also comprises a rack, and the guide post is erected on the rack.

7. The coating width measuring apparatus according to claim 6, characterized in that: the driving mechanism comprises a driving motor arranged on the rack and a lead screw, one end of the driving motor is connected with the output end of the driving motor, one end of the driving motor penetrates through the lead screw of the sliding block, and the lead screw is in threaded connection with the sliding block.

8. The coating width measuring apparatus according to claim 7, characterized in that: the guide post fixing block is used for supporting the guide post and is arranged on the rack in a penetrating mode, a second locking piece is further sleeved on the guide post and abuts against the guide post fixing block to limit the guide post to rotate.

9. The coating width measuring apparatus according to claim 6, characterized in that: the coating width measuring device further comprises a third locking piece, and the third locking piece penetrates through the sliding block and abuts against the guide column.

10. The coating width measuring device according to any one of claims 1 to 5, characterized in that: the coating width measuring device further comprises a horizontal adjusting mechanism, wherein a fixed part of the horizontal adjusting mechanism is connected to the sliding block, and a movable part of the horizontal adjusting mechanism is connected to the laser emitting assembly or the laser reflecting assembly.