CN214058144U - Rotatory cutting device of battery pyrocondensation membrane - Google Patents

Abstract

The utility model discloses a rotatory cutting device of battery pyrocondensation membrane, which comprises a frame, the guide bar, set up a plurality of spacing wheels that are used for the centre gripping and support the guide bar in the frame, two gyro wheels that are used for spuring the pyrocondensation membrane, a first driving piece for driving the gyro wheel, set up shutdown mechanism in the frame, a second driving piece and multiunit and every group that are used for driving shutdown mechanism have two supporting wheels, spacing wheel and gyro wheel all just are to the contact with a set of supporting wheel, the upper and lower place of guide bar on the position that corresponds with the gyro wheel all is provided with the mounting groove, be provided with the dabber of perpendicular to guide bar axis on the mounting groove, the dabber can be close to or keep away from the guide bar axis and can be fixed with the mounting groove locking, it is articulated with the dabber of top and below respectively with two supporting wheels just to the gyro wheel. The utility model discloses adjustable supporting wheel makes the distance between its and the gyro wheel be in suitable position in the position of mounting groove, keeps the frictional force to the pyrocondensation membrane, guarantees to pyrocondensation membrane pulling effect.

Description

Rotatory cutting device of battery pyrocondensation membrane

Technical Field

The utility model relates to a cutting device specifically is a rotatory cutting device of battery pyrocondensation membrane.

Background

In battery manufacture, a heat shrinkable film is required to be sleeved on the battery. The existing automatic film covering device can carry out automatic film covering operation on the battery, and a cutting device is needed to be used in the film covering device and used for cutting the heat shrinkable film into sections with the height being as much as that of the battery after the heat shrinkable film is unfolded. The existing cutting devices generally use a guide rod for sleeving the heat-shrinkable film, use a plurality of groups of limiting wheels to clamp and support the guide rod, use two idler wheels which synchronously rotate in opposite directions to pull the heat-shrinkable film to move downwards, and finally cut off the heat-shrinkable film through a cutter mechanism. In the existing structure, the guide rod is provided with the supporting wheel at the position right opposite to the limiting wheel and the roller wheel, the guide rod is supported by the contact of the limiting wheel and the supporting wheel, the roller wheel is in contact with the supporting wheel to drive the thermal shrinkage film to move downwards, the position of the limiting wheel in the existing structure is fixed and cannot be adjusted, the position of the roller wheel is also fixed and cannot be adjusted by adopting gear transmission, and after the structure is used for a long time, the roller wheel and the limiting wheel are abraded and the gap is enlarged, so that the roller wheel cannot smoothly drive the thermal shrinkage film to move downwards.

Disclosure of Invention

An object of the utility model is to provide a battery pyrocondensation membrane rotary cut-off device of adjustable spacing round of position.

A rotary cutting device for a battery heat shrinkable film comprises a rack, a guide rod, a plurality of limiting wheels which are arranged on the rack and used for clamping and supporting the guide rod, two idler wheels which are arranged on the rack and used for pulling the heat shrinkable film, a first driving piece used for driving the idler wheels, a cutting mechanism which is arranged on the rack and used for cutting the heat shrinkable film, a second driving piece used for driving the cutting mechanism, and a plurality of groups of supporting wheels which are arranged on the guide rod and each group is provided with two supporting wheels, the limiting wheels and the rolling wheels are in right-to-contact with a group of supporting wheels, the upper part and the lower part of the guide rod at the position corresponding to the rolling wheels are provided with mounting grooves, the installation groove is provided with a mandrel perpendicular to the axis of the guide rod, the mandrel can be close to or far away from the axis of the guide rod and can be locked and fixed with the installation groove, and the two support wheels right opposite to the roller wheels are respectively hinged with the mandrels above and below.

Further, the plurality of limiting wheels are divided into at least two groups, and each group is provided with two limiting wheels which are symmetrically arranged.

Furthermore, the top and the below of gyro wheel all are provided with at least a set of spacing wheel.

Furthermore, the limiting wheels above the roller are provided with two groups, and the two groups of limiting wheels are vertical to each other.

Further, a groove which is wound by a circle around the rod body is arranged below the guide rod, and a cutter is arranged on the cutting mechanism and extends into the groove.

Further, shutdown mechanism includes the band pulley, the lower extreme of guide bar is worn out from the centre of band pulley, the cutter sets up the bottom surface at the band pulley, the second driving piece passes through the belt and is connected with the band pulley.

Further, the first driving piece is a servo motor, and the second driving piece is a stepping motor.

The utility model discloses set up the mounting groove on the guide bar and add and establish the dabber, articulate the supporting wheel at the spindle, longer when the live time, the gyro wheel appears wearing and tearing with the supporting wheel, leads to the clearance that appears between the two and when weakening the pulling effect of pyrocondensation membrane, the position of adjustable supporting wheel at the mounting groove makes its and the interval between the gyro wheel be in suitable position, keeps the frictional force to the pyrocondensation membrane, guarantees to pyrocondensation membrane pulling effect.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural diagram of the guide rod, the support wheel and the roller of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.

Referring to fig. 1 to 3, a battery thermal shrinkage film rotary cutting device comprises a frame 1, a guide rod 2, a plurality of limiting wheels 3 arranged on the frame 1 and used for clamping and supporting the guide rod 2, two rollers 4 arranged on the frame 1 and used for pulling a thermal shrinkage film, a first driving piece 5 used for driving the rollers 4, a cutting mechanism 6 arranged on the frame 1 and used for cutting the thermal shrinkage film, a second driving piece 7 used for driving the cutting mechanism 6, and a plurality of groups of two supporting wheels 8 arranged on the guide rod 2, wherein the limiting wheels 3 and the rollers 4 are in opposite contact with one group of supporting wheels 8, mounting grooves 21 are arranged above and below the positions of the guide rod 2 corresponding to the rollers 4, a mandrel perpendicular to the axis of the guide rod 2 is arranged on the mounting grooves 21, the mandrel can approach or be far away from the axis of the guide rod 2 and can be locked and fixed with the mounting grooves 21, two supporting wheels 8 opposite to the roller 4 are respectively hinged with the upper mandrel and the lower mandrel.

In a further improvement of the above embodiment, referring to fig. 1, the plurality of spacing wheels 3 are divided into at least two groups, and each group has two spacing wheels 3 arranged symmetrically. Through a set of spacing wheel 3, can restrict two directions of guide bar 2, its quantity can be set for according to actual need, generally two sets or three groups or four groups. In a further improvement, at least one set of limiting wheels 3 is arranged above and below the roller 4, two sets of limiting wheels 3 are arranged above the roller 4, and the two sets of limiting wheels 3 are perpendicular to each other. Set up spacing round 3 in the top and the below of gyro wheel 4, let the stability of the guide bar 2 of 4 departments of gyro wheel better, be difficult for rocking, guarantee the pulling effect of gyro wheel 4 to pyrocondensation membrane.

In a further modification of the above embodiment, referring to fig. 2, a groove is formed around the shaft below the guide rod 2, and a cutter 61 is disposed on the cutting mechanism 6, wherein the cutter 61 extends into the groove. The provision of the groove facilitates the cutting of the heat shrinkable film by the cutter 61. In a further improvement, the cutting mechanism 6 comprises a belt wheel 62, the lower end of the guide rod 2 penetrates out of the middle of the belt wheel 62, the cutter 61 is arranged on the bottom surface of the belt wheel 62, and the second driving member 7 is connected with the belt wheel 62 through a belt. Preferably, to realize precise control, the first driving member 5 adopts a servo motor, and the second driving member 7 adopts a stepping motor.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "arranged," and the like are to be construed broadly and may, for example, be connected in an arrangement, detachably connected, or integrated; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims (7)

1. The utility model provides a rotatory cutting device of battery pyrocondensation membrane, including frame (1), guide bar (2), set up a plurality of spacing rounds (3) that are used for the centre gripping and support guide bar (2) in frame (1), set up two gyro wheels (4) that are used for pulling pyrocondensation membrane in frame (1), a first driving piece (5) that is used for driving gyro wheel (4), set up cutting mechanism (6) that are used for cutting off the pyrocondensation membrane in frame (1), a second driving piece (7) that is used for driving cutting mechanism (6) and the multiunit and every group that set up on guide bar (2) have two supporting wheel (8), spacing round (3) and gyro wheel (4) all just to contact with a set of supporting wheel (8), its characterized in that: guide bar (2) all are provided with mounting groove (21) the upper and lower side on the position that corresponds with gyro wheel (4), be provided with the dabber of perpendicular to guide bar (2) axis on mounting groove (21), the dabber can be close to or keep away from guide bar (2) axis and can be fixed with mounting groove (21) locking, with gyro wheel (4) just two supporting wheel (8) are articulated with the dabber of top and below respectively.

2. The battery heat shrink film rotary cutting device of claim 1, wherein: the plurality of limiting wheels (3) are divided into at least two groups, and each group is provided with two limiting wheels (3) which are symmetrically arranged.

3. The battery heat shrink film rotary cutting device of claim 2, wherein: at least one group of limiting wheels (3) are arranged above and below the roller (4).

4. A battery thermal shrink film rotary cut-off device as claimed in claim 3, wherein: the limiting wheels (3) above the roller (4) are provided with two groups, and the two groups of limiting wheels (3) are vertical to each other.

5. The battery heat shrink film rotary cutting device of claim 1, wherein: a groove which winds the rod body for one circle is formed in the lower portion of the guide rod (2), a cutter (61) is arranged on the cutting mechanism (6), and the cutter (61) extends into the groove.

6. The battery heat shrink film rotary cutting device of claim 5, wherein: the cutting mechanism (6) comprises a belt wheel (62), the lower end of the guide rod (2) penetrates out of the middle of the belt wheel (62), the cutter (61) is arranged on the bottom surface of the belt wheel (62), and the second driving piece (7) is connected with the belt wheel (62) through a belt.

7. The battery heat shrink film rotary cutting device according to any one of claims 1 to 6, wherein: the first driving piece (5) is a servo motor, and the second driving piece (7) is a stepping motor.

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