CN219151164U - Efficient roll changing structure of tab roll pressing equipment - Google Patents

Abstract

The utility model relates to the technical field of lithium battery production, in particular to a high-efficiency roll changing structure of tab rolling equipment, which comprises a roll changing vehicle, a crane and a roll-to-roll bracket, wherein the roll-to-roll bracket is arranged between an upper roll system and a lower roll system of a roll squeezer, the crane is used for lifting the lower roll system, and the roll changing vehicle is movably provided with a roll changing mechanism; the roll changing mechanism is used for extending into the roll press to support the lower roll system, and driving the upper roll system, the bracket between the rolls and the lower roll system to leave the roll press after the fixing structure of the upper roll system is removed, and the crane is also used for respectively taking the upper roll system and the lower roll system away from the roll changing mechanism. The upper roller system and the lower roller system are fixed through the brackets among the rollers, and then the upper roller system and the lower roller system are directly pulled out of the housing of the roller press at one time through the roller changing mechanism by the roller changing vehicle, so that the roller changing efficiency is improved, and the safety during roller changing is ensured.

Description

Efficient roll changing structure of tab roll pressing equipment

Technical Field

The utility model relates to the technical field of lithium battery production, in particular to a high-efficiency roll changing structure of tab rolling equipment.

Background

The roll squeezer is used as an indispensable process equipment in the production process of the tab of the lithium battery, and the weight of the roll squeezer is up to tens of tons. As the diameter of the roll squeezer becomes larger and the width becomes wider, the weight of the single set of roll system is gradually increased from about several tons to tens of tons, and the required personnel and time are increased when the roll squeezer needs to replace the roll system.

The fastest roll changing mode in the current market also needs about 24 hours for 6-8 persons to work, so that the roll changing method is low in efficiency and has a certain safety risk. While the chinese patent No. 201922388898.5 discloses a roll changing device, only one roll can be taken out and installed at a time, and the roll changing device is installed with a roll press, so that the efficiency is not maximized and the roll removal and the roll release are troublesome.

Disclosure of Invention

The utility model provides a high-efficiency roll changing structure of tab rolling equipment aiming at the problems of the prior art, which can realize the taking out and mounting of two roll systems at one time.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a high-efficiency roll changing structure of tab rolling equipment, which comprises a roll changing vehicle, a crane and a roll-to-roll bracket, wherein the roll-to-roll bracket is arranged between an upper roll system and a lower roll system of a roll squeezer, the crane is used for lifting the lower roll system, and the roll changing vehicle is movably provided with a roll changing mechanism; the roll changing mechanism is used for extending into the roll press to support the lower roll system, and driving the upper roll system, the bracket between the rolls and the lower roll system to leave the roll press after the fixing structure of the upper roll system is removed, and the crane is also used for respectively taking the upper roll system and the lower roll system away from the roll changing mechanism.

Further, the roll changing mechanism comprises a supporting driving piece, a guide rail and a roll supporting trolley, wherein the guide rail is arranged on the roll changing trolley, and one end of the guide rail is positioned outside the roll changing trolley; the roller supporting trolley is arranged on the guide rail in a sliding manner, the supporting driving piece is used for driving the roller supporting trolley to move back and forth along the guide rail, and the roller supporting trolley is used for supporting the lower roller system.

Furthermore, a locating pin is arranged at the top of the roller supporting trolley and is used for being inserted into a pin hole of a bearing seat of the lower roller system.

Furthermore, the roller supporting trolley is provided with an avoidance hole, and the avoidance hole is used for avoiding lifting of an oil cylinder in the roller press.

Further, the roller changer further comprises two pre-buried sliding rails, the two pre-buried sliding rails are all installed on an external floor and are arranged in parallel, wheels are respectively arranged on two sides of the roller changer, and the wheels on two sides are movably arranged in one-to-one correspondence with the two pre-buried sliding rails.

Further, the roller-to-roller bracket comprises an upper bracket, a lower bracket and a connecting piece, wherein the connecting piece is used for connecting the upper bracket and the lower bracket, the upper bracket is detachably provided with an upper fixing piece, the lower bracket is detachably provided with a lower fixing piece, the upper fixing piece is used for positioning an upper roller system and the upper bracket, and the lower fixing piece is used for positioning an upper roller system and the lower bracket.

The utility model has the beneficial effects that: the upper roller system and the lower roller system are fixed through the brackets among the rollers, and then the upper roller system and the lower roller system are directly pulled out of the housing of the roller press at one time through the roller changing mechanism by the roller changing vehicle, so that the roller changing efficiency is improved, and the safety during roller changing is ensured.

Drawings

FIG. 1 is a schematic view of the present utility model in use.

Fig. 2 is a schematic view of direction a in fig. 1.

Fig. 3 is an enlarged view at B of fig. 1.

Fig. 4 is a schematic view of a roll changing truck of the present utility model.

Fig. 5 is a schematic view of the structure of the inter-roller carriage of the present utility model.

Fig. 6 is a schematic view of a roll squeezer according to the present utility model.

Reference numerals: 1-roll changing vehicle, 2-crane, 3-roll bracket, 4-roll changing mechanism, 5-pre-embedded slide rail, 6-roll press, 7-transport vehicle, 8-gap, 11-wheel, 31-upper bracket, 32-lower bracket, 33-connecting piece, 34-upper fixing piece, 35-lower fixing piece, 36-hole, 41-supporting driving piece, 42-guide rail, 43-supporting roll trolley, 61-upper roll system, 62-lower roll system, 63-oil cylinder, 411-hand piece, 412-lead screw, 413-nut, 414-speed reducer, 421-groove, 431-supporting seat, 432-locating pin, 433-avoiding hole, 434-roller.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model. The present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 6, the efficient roll changing structure of the tab rolling device provided by the utility model comprises a roll changing vehicle 1, a crane 2 and an inter-roll bracket 3, wherein the inter-roll bracket 3 is used for being installed between an upper roll system 61 and a lower roll system 62 of a roll squeezer 6, the crane 2 is used for lifting the lower roll system 62, and the roll changing vehicle 1 is movably provided with a roll changing mechanism 4; the roll changing mechanism 4 is used for extending into the roll squeezer 6 to support the lower roll system 62, and driving the upper roll system 61, the inter-roll bracket 3 and the lower roll system 62 to leave the roll squeezer 6 after the fixing structure of the upper roll system 61 is removed, and the crane 2 is also used for respectively taking the upper roll system 61 and the lower roll system 62 out of the roll changing mechanism 4.

It should be noted that the present application is applied to the roll squeezer 6 used in the production process of the tab, so that the present application is not related to the tab in actual operation, and only the roll squeezer 6 is related to the present application.

In actual use, the number of the inter-roller brackets 3 is two, and the brackets are respectively arranged on the transmission side and the operation side of the two roller systems. The roller replacing device is used in a mode of roller disassembling and assembling, wherein the roller disassembling comprises the following steps:

A. the oil cylinder 63 of the control roll squeezer 6 descends;

B. the inter-roller bracket 3 is installed between the upper roller system 61 and the lower roller system 62, so that the inter-roller bracket 3 and the lower roller system 62 are positioned and installed;

C. lifting the lower roller system 62 by the crane 2 so that the lower roller system 62 is in a suspended state;

D. the roll changing vehicle 1 is controlled to approach the roll squeezer 6, and the roll changing mechanism 4 extends into the roll squeezer 6 and moves to the position right below the lower roll system 62;

E. the crane 2 puts down the lower roller system 62, supports the lower roller system 62 by the roller changing mechanism 4, and then ascends by the oil cylinder 63 to support the lower roller system 62; here, it is preferable that the cylinder 63 lifts up the lower roller system 62 so that the inter-roller carriage 3 is aligned with the upper roller system 61;

F. removing the fixed structure between the upper roller system 61 and the roller press 6, so that the upper roller system descends and is positioned and installed with the bracket between the rollers;

G. the roller changing mechanism 4 is controlled to move so as to drive the lower roller system 62, the inter-roller bracket 3 and the upper roller system 61 to be separated from the roller press 6 together;

H. the upper roller system 61 is lifted by the crane 2 and transferred to the corresponding position, the inter-roller carriage 3 is removed from the lower roller system 62, and the lower roller system 62 is lifted by the crane 2 and transferred to the corresponding position.

Specifically, the roller-turning action is only performed by reversing the roller-dismantling action.

The utility model realizes the connection between the upper roller system 61 and the lower roller system 62 through the roller bracket 3 to form an assembly, then the assembly is hoisted by the crane 2 so that the roller changing mechanism 4 of the roller changing vehicle 1 enters the roller press 6 and moves to the position right below the lower roller system 62, the roller changing mechanism 4 brings the assembly out of the roller press 6, the roller bracket 3, the upper roller system 61 and the lower roller system 62 are loosened, and then the upper roller system 61 and the lower roller system 62 are sequentially moved to the transport vehicle 7 through the crane 2, and the transport vehicle 7 preferably only transports one roller system to a designated position at a time. The roll changing action of the press roller machine can reduce the workload of about 24 hours of the original 6-8 persons to be completed within 4 hours of 2-3 persons, thereby greatly improving the roll changing efficiency; and because the most dangerous disassembling and assembling rollers and the carrier rollers are all completed by the roller changing vehicle 1, the traditional mode of changing the roller system by adopting the chain block is replaced, and the safety of staff is ensured.

In this embodiment, the roll changing mechanism 4 includes a supporting driving member 41, a guide rail 42, and a roll supporting trolley 43, the guide rail 42 is mounted on the roll changing carriage 1, and one end of the guide rail 42 is located outside the roll changing carriage 1; the roller supporting trolley 43 is slidably disposed on the guide rail 42, and the supporting driving member 41 is used for driving the roller supporting trolley 43 to move back and forth along the guide rail 42, and the roller supporting trolley 43 is used for supporting the lower roller system 62.

Specifically, the length of the guide rail 42 is greater than the length of the roll changing carriage 1, but the ratio of the length of the guide rail 42 to the length of the roll changing carriage 1 is 1.2-1.4:1, so that the support roller carriage 43 moving on the guide rail 42 can reliably support the assembly without deformation.

The supporting driving member 41 may be electrically driven, hydraulically driven or manually driven, and in this embodiment, the supporting driving member 41 includes a screw 412 and a hand-operated member 411, the roller-supporting trolley 43 is provided with a nut 413 screwed with the screw 412, and the hand-operated member 411 is used for driving the screw 412 to rotate. The hand-operated screw rod mechanism is formed by the screw rod 412, the hand-operated piece 411 and the nut 413, namely, the screw rod 412 drives the roller supporting trolley 43 to move back and forth, so that the roller supporting trolley 43 can be ensured to move right below the assembly accurately; a speed reducer 414 may be disposed between the hand piece 411 and the screw rod 412, so that a worker can drive the roller supporting trolley 43 to move with a smaller force.

Specifically, a positioning pin 432 is disposed at the top of the roller supporting trolley 43, and the positioning pin 432 is used for being inserted into a pin hole of a bearing seat of the lower roller system 62. That is, in step E, when the roller supporting trolley 43 moves along the guide rail 42 to a position just below the lower roller system 62, the crane 2 can release the lower roller system 62, let the assembly fall on the roller supporting trolley 43, and lift the lower roller system 62 by inserting the positioning pins 432 into the pin holes, so as to ensure that the lower roller system 62 will then exit the roller press 6 along with the movement of the roller supporting trolley 43.

The number of the positioning pins 432 is preferably two, and the positioning pins 432 are respectively inserted into pin holes of bearing blocks at two ends of the lower roller system 62; and a supporting seat 431 is arranged between the positioning pin 432 and the roller supporting trolley 43, so as to play a role in supporting the bearing seat, and facilitate the subsequent crane 2 to smoothly lift the lower roller system 62.

Specifically, the roller supporting trolley 43 is provided with an avoidance hole 433, and the avoidance hole 433 is used for avoiding lifting of the oil cylinder 63 in the roller press 6. That is, when the avoiding hole 433 aligns with the oil cylinder 63, the oil cylinder 63 is lifted to pass through the avoiding hole 433, so that the positioning effect on the roller supporting trolley 43 can be realized besides supporting the lower roller system 62, and when the oil cylinder 63 aligns with the avoiding hole 433, the positioning pin 432 and the pin hole are indicated to be aligned, and at this time, the crane 2 can be put down the lower roller system 62.

Preferably, the number of the guide rails 42 is two, and the top of the guide rails is provided with a groove 421, so that the rollers 434 at the bottom of the roller supporting trolley 43 can slide in the groove 421, thereby realizing the guiding effect.

In this embodiment, the present utility model further includes two pre-buried sliding rails 5, where the two pre-buried sliding rails 5 are both installed on an external floor and are parallel to each other, wheels 11 are respectively disposed on two sides of the roll changing truck 1, and the wheels 11 on two sides are movably disposed in one-to-one correspondence with the two pre-buried sliding rails 5.

In step D, the positions of the two pre-buried guide rails 42 correspond to the positions of the roller press 6, and the roller changing carriage 1 moves back and forth on the pre-buried slide rail 5 pre-buried on the bottom plate to approach or depart from the roller press, so that the roller supporting carriage 43 is ensured to be accurately inserted into the roller press 6 to realize a carrier roller.

In this embodiment, the inter-roller bracket 3 includes an upper bracket 31, a lower bracket 32, and a connecting member 33, the connecting member 33 is used for connecting the upper bracket 31 and the lower bracket 32, the upper bracket 31 is detachably provided with an upper fixing member 34, the lower bracket 32 is detachably provided with a lower fixing member 35, the upper fixing member 34 is used for positioning the upper roller system 61 and the upper bracket 31, and the lower fixing member 35 is used for positioning the upper roller system 61 and the lower bracket 32.

The upper bracket 31, the connecting piece 33 and the lower bracket 32 form an I-shaped structure, and the three can be fixedly connected through an integral stamping or welding mode; in use, the inter-roller bracket 3 is directly slid into the gap 8 between the upper roller system 61 and the lower roller system 62 for installation, so that the lower fixing piece 35 on the lower bracket 32 is firstly inserted into the bearing seat shaft hole of the lower roller system 62 for positioning, and then when the fixing structure between the upper roller system 61 and the roller press 6 is removed, the upper roller system 61 is lowered under the action of gravity so that the upper fixing piece 34 is inserted into the bearing seat shaft hole of the upper roller system for positioning, so that the upper roller system 61 and the lower roller system 62 can move simultaneously when moving along the axial direction (namely being pulled out by the roller changing mechanism).

Specifically, the crane 2 in the present embodiment is preferably, but not limited to, a hoisting tool such as a cantilever crane, a gantry crane, etc.; the transport vehicle 7 is not limited to a hydraulic cart or an electric cart. The roll changing truck 1 is preferably moved by manual control.

The present utility model is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present utility model.

Claims (9)

1. The utility model provides a high-efficient roll change structure of utmost point tab roll-in equipment which characterized in that: the device comprises a roll changing vehicle, a crane and a roll-to-roll bracket, wherein the roll-to-roll bracket is arranged between an upper roll system and a lower roll system of a roll squeezer, the crane is used for lifting the lower roll system, and the roll changing vehicle is movably provided with a roll changing mechanism; the roll changing mechanism is used for extending into the roll press to support the lower roll system, driving the upper roll system, the bracket between the rolls and the lower roll system to leave the roll press after the fixing structure of the upper roll system is removed, and the crane is also used for respectively taking the upper roll system and the lower roll system away from the roll changing mechanism;

the number of the roller brackets is two, and the two roller brackets are respectively arranged on the transmission side and the operation side between the two roller systems.

2. The efficient roll-changing configuration of tab roll-in equipment of claim 1, wherein: the roller system is further provided with a transport vehicle for supporting the roller system and transporting the roller system to a designated position.

3. The efficient roll-changing configuration of tab roll-in equipment of claim 1, wherein: the roll changing mechanism comprises a supporting driving piece, a guide rail and a roll supporting trolley, wherein the guide rail is arranged on the roll changing trolley, and one end of the guide rail is positioned outside the roll changing trolley; the roller supporting trolley is arranged on the guide rail in a sliding manner, the supporting driving piece is used for driving the roller supporting trolley to move back and forth along the guide rail, and the roller supporting trolley is used for supporting the lower roller system.

4. A high efficiency roll change construction for tab roll pressing apparatus as defined in claim 3, wherein: the top of the roller supporting trolley is provided with a locating pin which is used for being inserted into a pin hole of a bearing seat of the lower roller system.

5. A high efficiency roll change construction for tab roll pressing apparatus as defined in claim 3, wherein: the roller supporting trolley is provided with an avoidance hole, and the avoidance hole is used for avoiding lifting of an oil cylinder in the roller press.

6. A high efficiency roll change construction for tab roll pressing apparatus as defined in claim 3, wherein: the supporting driving piece comprises a screw rod and a hand piece, the supporting roller trolley is provided with a nut in threaded connection with the screw rod, and the hand piece is used for driving the screw rod to rotate.

7. The efficient roll-changing configuration of tab roll-in equipment of claim 1, wherein: the roller changing machine comprises a roller changing vehicle, and is characterized by further comprising two pre-buried sliding rails which are all installed on an external floor and are parallel to each other, wheels are respectively arranged on two sides of the roller changing vehicle, and the wheels on two sides are movably arranged in one-to-one correspondence with the two pre-buried sliding rails.

8. The efficient roll-changing configuration of tab roll-in equipment of claim 1, wherein: the roller-to-roller bracket comprises an upper bracket, a lower bracket and a connecting piece, wherein the connecting piece is used for connecting the upper bracket and the lower bracket, the upper bracket is detachably provided with an upper fixing piece, the lower bracket is detachably provided with a lower fixing piece, the upper fixing piece is used for positioning an upper roller system and the upper bracket, and the lower fixing piece is used for positioning an upper roller system and the lower bracket.

9. A high efficiency roll change construction for tab roll pressing apparatus as defined in claim 3, wherein: the number of the guide rails is two, grooves are formed in the tops of the guide rails, the roller supporting trolley is provided with rollers, and the rollers are arranged in the grooves in a rolling mode.

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