CN210655450U

CN210655450U - Contact roller and rolling mechanism

Info

Publication number: CN210655450U
Application number: CN201921220967.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: Wuxi Lead Intelligent Equipment Co Ltd
Current assignee: Wuxi Lead Intelligent Equipment Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-06-02
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a contact roller and rolling mechanism. The contact roller includes: a swing arm shaft; the compression roller assembly comprises a compression roller swing arm and a compression roller, the compression roller swing arm is fixed on one side of the swing arm shaft, and the compression roller is arranged on the compression roller swing arm; the counterweight component is fixed on the other side of the swing arm shaft; the balance weight component can drive the compression roller component to rotate to a vertical state along the swing arm shaft. Through this kind of mode, not only can improve the security of production, can also control the required pressure of contact roller adaptation rolling better.

Description

Contact roller and rolling mechanism

Technical Field

The utility model belongs to the technical field of mechanical equipment, concretely relates to contact roller and roll squeezer constructs.

Background

In the existing battery production process, when the pole piece is rolled, the air involved in the rolling process needs to be discharged, and therefore a heavy contact roller is arranged above the pole piece roll. In the rolling process, the contact roller is pressed on the pole piece roll all the time to ensure that air between each layer of pole piece is discharged, so that the pole pieces are smoother, and the rolling quality is improved.

The inventors of the present application have found in the course of long-term development that, although under normal circumstances, the contact roller can be retracted and held in an upright position by the drive mechanism. However, when an unexpected power failure occurs, the contact roller is not controlled to fall down due to gravity, and the contact roller is heavy and is easy to damage equipment and injure workers, so that production accidents occur.

In addition, the position of the contact roller pressed on the winding is changed along with different winding diameters of the winding, the required pressure is changed constantly, the power or resistance applied by the driving mechanism needs to be switched along with the change of the pressure due to the influence of the gravity of the contact roller, and the control of the switching process is unstable and difficult to realize.

SUMMERY OF THE UTILITY MODEL

The utility model provides a contact roller and rolling mechanism can improve production safety, and can control the required constantly changing pressure of contact roller adaptation rolling better.

In order to solve the technical problem, the utility model discloses a technical scheme be: providing a contact roller, comprising: a swing arm shaft; the compression roller assembly comprises a compression roller swing arm and a compression roller, the compression roller swing arm is fixed on one side of the swing arm shaft, and the compression roller is arranged on the compression roller swing arm; the counterweight component is fixed on the other side of the swing arm shaft; the balance weight component can drive the compression roller component to rotate to a vertical state along the swing arm shaft.

Wherein, the counter weight subassembly includes counter weight swing arm and balancing weight, and the counter weight swing arm is fixed at the epaxial opposite side of swing arm, and the balancing weight setting is on the counter weight swing arm, and the moment between counter weight subassembly and the swing arm axle is greater than or equal to the moment between compression roller subassembly and the swing arm axle.

Wherein, the contact roller still includes: the drive assembly, drive assembly include actuating mechanism, swing joint and drive rocking arm, and actuating mechanism connects the swing joint, and the first end fixed connection swing arm axle of drive rocking arm, the second end and the swing joint of drive rocking arm rotate to be connected, thereby actuating mechanism can drive the swing arm axle through swing joint drive rocking arm and rotate.

The compression roller swing arm comprises a connecting portion and a compression roller mounting portion, the connecting portion is fixed on the swing arm shaft, the compression roller mounting portion is connected with the connecting portion in a preset included angle, and the compression roller is arranged on the compression roller mounting portion.

Wherein, the compression roller assembly includes two compression roller swing arms, and two compression roller swing arms intervals are fixed in on the swing arm axle, and the compression roller sets up between two compression roller swing arms, and the compression roller assembly still includes at least one pull rod, and the pull rod is connected between two compression roller swing arms in order to prevent that the compression roller swing arm from taking place deformation under the effect of the compression roller of big weight.

For solving the technical problem, the utility model discloses a another technical scheme is: there is provided a rolling mechanism including: coiling mechanism and contact roller, the contact roller setting is on the coiling mechanism, and wherein the contact roller is the contact roller of any above-mentioned embodiment, and the coiling mechanism is used for the rolling pole piece, and the contact roller is used for the in-process at the coiling mechanism rolling pole piece to compress tightly the pole piece book.

Wherein, the coiling mechanism includes: the pole piece winding device comprises a roller, a tracking roller and a winding shaft which are arranged at intervals, wherein the tracking roller is positioned between the roller and the winding shaft, and the pole piece is wound on the winding shaft after being wound by the roller.

Wherein, the coiling mechanism still includes: mounting a plate; the first guide rail is arranged on the mounting plate; the movable plate is connected with the first guide rail in a sliding mode, and the tracking roller is arranged on the movable plate; the first driving mechanism is connected with the movable plate and drives the movable plate to move along the first guide rail so as to drive the tracking roller to keep a preset distance from the pole piece roll on the winding shaft.

Wherein, the coiling mechanism still includes: the second guide rail is arranged on the movable plate; the sliding block is connected with the second guide rail in a sliding manner; the bottom plate is connected with the sliding block, and the tracking roller is fixed on the bottom plate; and the second driving mechanism is connected with the sliding block or the bottom plate and is used for driving the tracking roller to move along the second guide rail.

The winding device comprises two winding shafts, a rotary table and a rotary shaft, wherein the two winding shafts are arranged on the rotary table, the rotary table is arranged on the rotary shaft, and the rotary table can be driven by the rotary shaft to rotate.

The utility model has the advantages that: the utility model discloses a contact roller is provided with compression roller subassembly and counter weight subassembly, and counter weight subassembly can drive compression roller subassembly along swing arm axial rotation to vertical state to make compression roller subassembly keep away from the pole piece and roll up, improve the production security. And because the gravity of compression roller subassembly self can be offset to the counter weight subassembly to make the contact roller can adapt to the required constantly changing pressure of rolling better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic front view of an embodiment of a contact roller according to the present invention;

fig. 2 is a schematic side view of an embodiment of the contact roller of the present invention;

fig. 3 is a schematic structural view of an embodiment of the rolling mechanism of the present invention;

fig. 4 is a schematic structural view of the rolling mechanism according to another working state of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the relevant equipment of pole piece rolling, the design of contact roller is very critical, in order to improve the security of production, and can improve the rolling quality of pole piece, the utility model provides a contact roller and roll-in mechanism.

Referring to fig. 1, fig. 1 is a schematic side view of a contact roller according to an embodiment of the present invention. The contact roller 10 in the present embodiment includes: a swing arm shaft 11, a press roll component 12 and a counterweight component 13.

With reference to fig. 2, the pressing roller assembly 12 includes a pressing roller swing arm 121 and a pressing roller 122, the pressing roller swing arm 121 is fixed on one side of the swing arm shaft 11, and the pressing roller 122 is disposed on the pressing roller swing arm 121.

In this embodiment, the pressing roller assembly 12 includes two pressing roller swing arms 121, the two pressing roller swing arms 121 are fixed on the swing arm shaft 11 at intervals, one side of the pressing roller swing arm 121 is fixed on the swing arm shaft 11 through a key-free slot and a fixing ring (not shown), and the other side of the pressing roller swing arm 121 is fixed on the swing arm shaft 11 through a key-free shaft sleeve 126. The platen roller 122 is disposed between the two platen roller swing arms 121 via a platen roller shaft (not shown). For stable installation, a first fixing ring 125 and a tightening ring 124 are further arranged between the compression roller shaft and the compression roller swing arm 121 to ensure stable installation of the compression roller 122. In order to prevent the compression roller swing arms 121 from deforming under the action of the heavy compression roller 122, the contact roller 10 of the present invention further includes at least one pull rod 123, and the pull rod 123 is connected between the two compression roller swing arms 121. Preferably, the number of the pull rods 123 may be set to 2 in consideration that the weight of the entire roll assembly 12 cannot be excessively large.

Preferably, the pressing roller 122 can arrange the pressing roller 122 on the right semicircle of the pole piece roll when discharging air, namely the position of the pole piece just before winding, so that the pressing roller 122 can provide enough pressure during winding, and the pole piece is pressed by the pressing roller 122 just before winding, and air can be discharged better. Therefore, the pressure roller swing arm 121 in this embodiment includes a connecting portion 1211 and a pressure roller mounting portion 1212, the connecting portion 1211 is fixed on the swing arm shaft 11, the pressure roller mounting portion 1212 is connected to the connecting portion 1211 at a predetermined angle, and the pressure roller 122 is disposed on the pressure roller mounting portion 1212. In this way, the pressing roller 122 can be pressed against the upper right position of the pole piece roll, and meanwhile, the pressing roller swing arm 121 is prevented from being damaged due to contact with the pole piece roll during working.

With continued reference to fig. 1 and 2, the counterweight assembly 13 is fixed on the other side of the swing arm shaft 11, and the counterweight assembly 13 can drive the pressing roller assembly 12 to rotate upward along the swing arm shaft 11 to a vertical state. In this embodiment, the counterweight assembly 13 includes a counterweight swing arm 131 and a counterweight 132, the counterweight swing arm 131 is fixed on the other side of the swing arm shaft 11, the counterweight swing arm 131 is fixed on the swing arm shaft 11 through fasteners such as fixing rings for stable installation, and the counterweight 132 is arranged on the counterweight swing arm 131. The balance weight swing arm 131 and the press roller swing arm 121 are fixed on the swing arm shaft 11 at a preset angle, and the preset angle range is 90-180 degrees. When the swing arm shaft 11 rotates, the compression roller assembly 12 and the counterweight assembly 13 can be driven to rotate simultaneously so as to meet the actual production requirement. The assembly of the weight assembly 13 in this embodiment includes two weight swing arms 131, the two weight swing arms 131 are fixed on the swing arm shaft 11 at intervals, and the weight block 132 is disposed between the two weight swing arms 131 through a weight shaft (not shown).

In this embodiment, the moment between the counterweight component 13 and the swing arm shaft 11 is greater than or equal to the moment between the pressure roller component 12 and the swing arm shaft 11, and the pressure roller component 12 can rotate upwards to a vertical state under the action of gravity of the counterweight component 13, so that the production safety is improved.

Further, the contact roller 10 further comprises a driving assembly 14, the driving assembly 14 comprises a driving mechanism 141, a swing joint 142 and a driving rocker arm 143, the driving mechanism 141 is connected with the swing joint 142, a first end of the driving rocker arm 143 is fixedly connected with the swing arm shaft 11, and a second end of the driving rocker arm 143 is rotatably connected with the swing joint 142. The rotation of the driving rocker 143 causes the swing arm shaft 11 to rotate. In this embodiment, the driving mechanism 141 is a cylinder, and the output end of the cylinder is connected to the swing joint 142. One end of the driving rocker arm 143 is connected to the cylinder through the swing joint 142, so that the linear motion of the cylinder is converted into a circular motion, and the swing arm shaft 11 can rotate under the driving of the cylinder. In other alternative embodiments, the driving mechanism 141 may also be an electric cylinder or a linear motor. Since the electric cylinder or the linear motor is a device for converting the rotational motion of the servo motor into the linear motion, the linear motion component of the electric cylinder or the linear motor may be connected to the swing joint 142 to drive the swing joint 142 to reciprocate.

When the contact roller 10 works, the driving mechanism 141 pulls the swing joint 142 to drive the pressing roller assembly 12 to rotate clockwise until the pressing roller abuts against the pole piece roll. In this embodiment, the weight 132 has offset the gravity of the pressure roller assembly 12 itself, the driving mechanism 141 always applies a pulling force, and the pulling force of the driving mechanism 141 is adjusted in real time through the electric proportional valve, so that the contact roller 10 adapts to the constantly changing pressure required for winding.

Be different from prior art's condition, the utility model discloses a contact roller 10 is through setting up compression roller assembly 12 and counter weight assembly 13, and moment between counter weight assembly 13 and the swing arm axle 11 is greater than or equal to the moment between compression roller assembly 12 and the swing arm axle 11, thereby counter weight assembly 13 can drive compression roller assembly 12 and upwards rotate and keep away from the pole piece and roll up, ensures production safety.

Referring to fig. 3, fig. 3 is a schematic structural diagram of an embodiment of a rolling mechanism according to the present invention. The rolling mechanism 20 in this embodiment includes a take-up device 21 and a contact roller 22. The winding device 21 is used for winding the pole piece 30, and the contact roller 22 is used for pressing the pole piece roll 31 in the process of winding the pole piece 30 by the winding device 21, so that the winding of the pole piece 30 is smoother. The contact roller 22 is a contact roller according to any of the above embodiments, and for the specific structure of the contact roller 22, please refer to the drawings and the description of the above embodiments, which are not repeated herein.

Specifically, the winding device 21 includes a roller 211, a tracking roller 212 and a winding shaft 213 arranged at intervals, the tracking roller 212 is located between the roller 211 and the winding shaft 213, and the pole piece 30 is wound around the tracking roller 212 through the roller 211 and then wound on the winding shaft 213. Through set up tracking roller 212 between roller 211 and rolling axle 213, provide tension for the rolling of pole piece 30, and avoided pole piece 30 tensile overlength and taken place to rock in the rolling and make the rolling effect too poor.

In this embodiment, the winding device 21 includes two winding shafts 213, a turntable 216, and a rotating shaft 215, the two winding shafts 213 are disposed on the turntable 216, the turntable 216 is disposed on the rotating shaft 215, and the turntable 216 is driven by the rotating shaft 215 to rotate, so as to realize the conversion between the full roll and the empty roll. The pressing roller 221 is located on the right half circle of the pole piece roll 31, so that the pressing roller 221 can provide enough pressure during winding, and the pole piece 30 is pressed by the pressing roller 221 just after winding, and air can be exhausted better.

Further, the winding device 21 further includes: the mounting plate 214, the first guide rail 2141, the movable plate 2142, and a first driving mechanism (not shown). The contact roller 22 is fixed on the mounting plate 214, the first guide rail 2141 is also disposed on the mounting plate 214, the movable plate 2142 is disposed on the mounting plate 214 through the first guide rail 2141, and the movable plate 2142 is slidably connected to the first guide rail 2141. The first driving mechanism is connected to the movable plate 2142, and the first driving mechanism can drive the movable plate 2142 to move along the first guide rail 2141. In the winding process of the winding device 21, the thickness of the pole piece roll 31 gradually increases until the pole piece roll is full. The movable plate 2142 is movable along the first guide rail 2141 by the first driving mechanism to control the tracking roller 212 to maintain a predetermined distance from the pole piece roll 31 at the winding shaft 213 during the winding process to provide a constant winding tension.

Optionally, two limit blocks 15 are further disposed on the mounting plate, the two limit blocks 15 are respectively located at two sides of the driving rocker arm 222, and the limit blocks 15 are used for limiting a rotation range of the driving rocker arm 222, so that the driving rocker arm 222 is prevented from rotating too much to damage other parts.

When the pole piece roll 31 is fully wound, the movable plate 2142 moves in a direction away from the pole piece roll 31 to drive the tracking roller 212 to keep a certain distance from the pole piece roll 31 on the winding shaft 213, so as to prevent the pole piece roll 31 and the tracking roller 212 from being rubbed when the turntable 216 rotates. And at this time the contact roller 22 is rotated to the vertical state in the direction away from the pole piece roll 31.

Optionally, the winding device 21 further includes a second guide rail 2144, a slider (not shown), a bottom plate 2143, and a second driving mechanism 2145. The second guide rail 2144 is disposed on the movable plate 2142, the sliding block is slidably connected to the second guide rail 2144, the bottom plate 2143 is connected to the sliding block, the tracking roller 212 is fixed on the bottom plate 2143, the second driving mechanism 2145 is connected to the sliding block or the bottom plate 2143, and the second driving mechanism 2145 is configured to drive the bottom plate 2143 to move along the second guide rail 2144. When one side of the pole piece roll 31 is full, as shown in fig. 4, the turntable 216 is then rotated counterclockwise by the spindle 215 to rotate the empty take-up reel 213 to a position for taking up the pole piece 30, such as the position shown in fig. 4. At this time, the movable plate 2142 is moved in the direction approaching the take-up reel 213 by the first driving mechanism until the tracking roller 212 keeps a predetermined distance from the take-up reel 213. Subsequently, the second driving mechanism 2145 drives the tracking roller 212 to move toward the winding shaft 213, and the tracking roller 212 presses the pole piece 30 against the winding shaft 213 with the adhesive tape. The cutting knife 23 is driven by a third driving mechanism (not shown) to cut the pole piece 30, and after the cutting is completed, the pole piece roll 31 in full roll winds up the excess pole piece 30 after the cutting. The tracking roller 212 is driven by the second driving mechanism 2145 to move in a direction away from the winding shaft 213 until a predetermined distance is kept from the winding shaft 213, and the winding shaft 213 at the empty winding position starts to operate and wind up after waiting for the contact roller 22 to be pressed down.

Optionally, a roller 211 is also arranged on the turntable 216, the roller 211 is located between the 2 winding shafts 213, and the roller 211 is used for increasing the tension of the pole piece 30, so as to facilitate the cutting by the cutter 23.

The first and second driving mechanisms 2145 in the above embodiments are air cylinders. In other alternative embodiments, the first and second drive mechanisms 2145 may also be electric cylinders or linear motors, or the like.

Unlike the prior art, the roll pressing mechanism 20 of the present embodiment includes a contact roll 22 and a winding device 21, and the press roll assembly can be in a vertical state away from the pole piece roll 31 under the action of a counterweight assembly, so as to ensure the production safety. The contact roller 22 is better able to adapt to the constantly changing pressure required for winding up during operation. In addition, in the winding device 21 of this embodiment, the first guide rail 2141 is disposed on the mounting plate 214, so that the tracking roller 212 can adjust a distance from the pole piece roll 31 according to the thickness of the pole piece roll 31, and friction between the pole piece roll 31 and the tracking roller 212 is avoided. By arranging the second guide rail 2144 on the movable plate 2142, the pole piece 30 on the tracking roller 212 can be pasted on the winding shaft 213, so as to facilitate cutting the pole piece 30 and performing the next winding.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A contact roll, characterized in that the contact roll comprises:

a swing arm shaft;

the compression roller assembly comprises a compression roller swing arm and a compression roller, the compression roller swing arm is fixed on one side of the swing arm shaft, and the compression roller is arranged on the compression roller swing arm;

the counterweight component is fixed on the other side of the swing arm shaft;

the counterweight assembly can drive the compression roller assembly to axially rotate to a vertical state along the swing arm.

2. The contact roller of claim 1, wherein the counterweight assembly comprises a counterweight swing arm and a counterweight block, the counterweight swing arm is fixed on the other side of the swing arm shaft, the counterweight block is arranged on the counterweight swing arm, and the moment between the counterweight assembly and the swing arm shaft is greater than or equal to the moment between the compression roller assembly and the swing arm shaft.

3. The contact roller of claim 2, further comprising:

drive assembly, drive assembly includes actuating mechanism, swing joint and drive rocking arm, actuating mechanism connects the swing joint, the first end fixed connection of drive rocking arm the swing arm axle, the second end of drive rocking arm with the swing joint rotates to be connected, actuating mechanism can pass through the drive of swing joint thereby it drives to drive the swing arm axle rotates.

4. The contact roller of claim 1, wherein the pressure roller swing arm comprises a connecting portion and a pressure roller mounting portion, the connecting portion is fixed on the swing arm shaft, the pressure roller mounting portion is connected with the connecting portion at a preset included angle, and the pressure roller is arranged on the pressure roller mounting portion.

5. The contact roller of claim 1, wherein the compression roller assembly comprises two compression roller swing arms, the two compression roller swing arms are fixed on the swing arm shaft at intervals, the compression roller is arranged between the two compression roller swing arms, and the compression roller assembly further comprises at least one pull rod, and the pull rod is connected between the two compression roller swing arms to prevent the compression roller swing arms from deforming under the action of the compression roller with heavy weight.

6. A rolling mechanism, characterized in that the rolling mechanism comprises: the pole piece winding device comprises a winding device and a contact roller, wherein the contact roller is arranged on the winding device and is the contact roller in any one of claims 1 to 5, the winding device is used for winding a pole piece, and the contact roller is used for pressing a pole piece roll in the process of winding the pole piece by the winding device.

7. The roller press mechanism of claim 6, wherein the take-up device comprises:

the tracking roller is positioned between the tracking roller and the winding shaft, and the pole piece passes through the tracking roller and then is wound on the winding shaft.

8. The roll-in mechanism of claim 7, wherein the take-up device further comprises:

mounting a plate;

a first guide rail disposed on the mounting plate;

the movable plate is connected with the first guide rail in a sliding mode, and the tracking roller is arranged on the movable plate;

the first driving mechanism is connected with the movable plate and drives the movable plate to move along the first guide rail so as to drive the tracking roller to keep a preset distance from the pole piece roll on the winding shaft.

9. The roll-in mechanism of claim 8, wherein the take-up device further comprises:

a second guide rail disposed on the movable plate;

the sliding block is connected with the second guide rail in a sliding manner;

the bottom plate is connected with the sliding block, and the tracking roller is fixed on the bottom plate;

and the second driving mechanism is connected with the sliding block or the bottom plate and is used for driving the tracking roller to move along the second guide rail.

10. The rolling mechanism according to claim 7, wherein the rolling device comprises two rolling shafts, a rotating disc and a rotating shaft, the two rolling shafts are arranged on the rotating disc, the rotating disc is arranged on the rotating shaft, and the rotating disc can be driven by the rotating shaft to rotate.