CN214610594U

CN214610594U - Thermal contraction membrane coiling mechanism

Info

Publication number: CN214610594U
Application number: CN202022485981.7U
Authority: CN
Inventors: 冯希; 许杨; 陈建清; 伍华
Original assignee: Tianhua New Material Technology Jingmen Co ltd
Current assignee: Tianhua New Material Technology Jingmen Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-11-05
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to a thermal contraction film winding device, which comprises a base, two winding components and a driving component, wherein the two winding components and the driving component are oppositely arranged; the winding assemblies respectively comprise a sliding block, adjusting blocks, adjusting pieces, supporting rods and rotating shafts, the sliding block is in sliding connection with the base, the tops of the sliding blocks are in sliding connection with the adjusting blocks through the adjusting pieces, the sliding direction of the sliding blocks is perpendicular to the sliding direction of the adjusting blocks, each of the two adjusting pieces is provided with an elastic end, the tops of the adjusting blocks are fixedly connected with the supporting rods, the rotating shafts are rotatably connected with the supporting rods, the length direction of the rotating shafts is parallel to the sliding direction of the adjusting blocks, a clamping gap with adjustable size is formed between every two adjacent rotating shafts, one of the rotating shafts is connected with an output shaft of the motor, each driving assembly comprises a first telescopic piece and two guide blocks which correspond to the two adjusting blocks one by one, the output end of each first telescopic piece is connected with the two sliding blocks, and each guide block is provided with an inclined plane; the problem of current coiling mechanism change the wind-up roll inconvenient is solved.

Description

Thermal contraction membrane coiling mechanism

Technical Field

The utility model relates to a thermal contraction membrane technical field especially relates to a thermal contraction membrane coiling mechanism.

Background

Heat shrinkable films are used for the sale and transportation of various products, the main function of which is to stabilize, cover and protect the product. The shrink film must have high puncture resistance, good shrinkage and a certain shrinkage stress. During the shrinking process, the film is not able to create holes.

In the process of producing the heat shrinkable film, the heat shrinkable film needs to be wound on a winding roller through a winding device, most of the existing winding devices for the heat shrinkable film pass through two support rods capable of generating certain deformation, two rotating shafts are oppositely arranged on the two support rods and are rotatably connected with the support rods, the two rotating shafts are respectively connected with two ends of the winding roller, and the rotating shafts are driven to rotate through a motor so as to drive the winding roller to rotate, so that the heat shrinkable film is wound on the winding roller.

However, when the wind-up roll is replaced, the support rod needs to be moved by force, so that the wind-up roll wound with the thermal shrinkage film is taken down from the rotating shaft, and a new wind-up roll is mounted, thereby wasting time and labor and being inconvenient to replace.

SUMMERY OF THE UTILITY MODEL

In view of this, a need exists for a thermal contraction film winding device, which is used to solve the problem of inconvenience in replacing the winding roller of the existing winding device.

The utility model provides a thermal contraction film winding device, which comprises a base, two winding components and a driving component, wherein the two winding components and the driving component are oppositely arranged; the winding assemblies respectively comprise a sliding block, adjusting blocks, adjusting pieces, supporting rods and rotating shafts, the sliding block is connected with the base in a sliding mode, the top of the sliding block is connected with the adjusting blocks in a sliding mode through the adjusting pieces, the sliding direction of the sliding block is perpendicular to the sliding direction of the adjusting blocks, the two adjusting pieces are provided with elastic ends, so that the two adjusting blocks can move relatively, the top of the adjusting block is fixedly connected with the supporting rods, the rotating shafts are connected with the supporting rods in a rotating mode, the length direction of each rotating shaft is parallel to the sliding direction of the adjusting blocks, a clamping gap with adjustable size is formed between every two adjacent rotating shafts, so that the winding rollers can be clamped and released, and one rotating shaft is connected with an output shaft of a motor and used for driving the winding rollers to rotate; the drive assembly comprises a first telescopic piece and two guide blocks in one-to-one correspondence with the adjusting blocks, the output end of the first telescopic piece is connected with the two sliding blocks and used for driving the two sliding blocks to slide synchronously, an inclined plane is formed on each guide block and is located in a corresponding sliding path formed by the sliding blocks along the sliding direction, and the inclined plane slides along the inclined plane through the adjusting blocks so as to allow the two adjusting blocks to move back to back.

Further, the regulating part includes slide bar and spring, the spring does the elasticity end of regulating part, the spring housing is located on the slide bar, the bar groove has been seted up to the bottom of regulating block, the extending direction in bar groove with the length direction of pivot is parallel, the top of slider with bar groove sliding connection, the slide bar passes in proper order the regulating block with the slider, the slide bar with slider fixed connection, the slide bar with regulating block sliding connection, the length direction of slide bar with the length direction of pivot is parallel, the one end of spring with the slider is close to one side fixed connection of another slider, the other end of spring with bar groove fixed connection.

Further, the adjusting block is cylindrical and has an abutting surface, and the abutting surface forms the sliding path along the sliding direction of the sliding block.

Furthermore, two guide blocks are located pivot one side, first extensible member is located the pivot opposite side, first extensible member passes through a connecting rod and two the slider is connected.

Furthermore, the device also comprises a feeding assembly, the feeding assembly comprises a connecting plate, a second telescopic piece and a fixed plate, two sides of the connecting plate are respectively connected with the two sliding blocks, the second telescopic piece is installed on the connecting plate, the output end of the second telescopic piece is vertically arranged and is connected with the fixed plate, and a clamping station for placing the winding roller is arranged on the fixed plate.

Further, the joint station includes a fixed plate and semi-annular buckle, the bottom of fixed plate with the output of second extensible member is connected, the top of fixed plate with the semi-annular buckle is connected, the semi-annular buckle is located two set up in the middle of the pivot.

Furthermore, two parallel chutes are arranged on the base, the two sliders are respectively connected with the two chutes in a sliding manner, and the extending directions of the chutes are perpendicular to the length direction of the rotating shaft.

Furthermore, two the one end that the pivot is relative is a toper piece, the bell jar has all been seted up at the both ends of wind-up roll, two the toper piece respectively with two the bell jar joint.

Compared with the prior art, the winding device has the advantages that the rotating shafts are rotatably connected with the supporting rod, one of the rotating shafts is connected with the output shaft of the motor to drive the winding roller to rotate, so that winding work is realized, the sliding direction of the sliding block and the sliding direction of the adjusting block are perpendicular to each other, the two adjusting pieces are provided with the elastic ends to enable the two adjusting blocks to have the tendency of relative movement, the size of a clamping gap between the two rotating shafts is inconvenient under the effect of no external force, the length direction of the rotating shafts and the sliding direction of the adjusting blocks are arranged in parallel, the size-adjustable clamping gap is formed between the two adjacent rotating shafts, when the clamping gap is increased, the winding roller is released, when the clamping gap is decreased, the winding roller can be clamped, the inclined surface is arranged on the guide block, the inclined surface is positioned on the sliding path formed by the corresponding sliding block along the sliding direction, the adjusting block on the sliding block is driven to slide under the pushing of the first telescopic piece, through the regulating block along the inclined plane slip, make two regulating block back-to-back motion, the tight clearance grow of clamp between two pivots, the wind-up roll breaks away from the pivot this moment, and when the regulating block breaks away from the inclined plane slip, the tight clearance of clamp of two pivots diminishes, is convenient for press from both sides tight new wind-up roll, and it is convenient to change.

Drawings

Fig. 1 is a schematic structural view of an entire embodiment of a thermal contraction film winding device provided in the present invention;

fig. 2 is a schematic top view of an embodiment of a thermal contraction film winding device according to the present invention;

fig. 3 is a schematic cross-sectional view of a-a surface in fig. 2 of a thermal contraction film winding device provided by the present invention;

fig. 4 is a schematic structural view of an adjusting member in an embodiment of a thermal shrinkage film winding device provided in the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 3 of a thermal contraction film winding device according to the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.

As shown in fig. 1, the thermal contraction film winding device in this embodiment includes a base 100, two winding assemblies 200 disposed opposite to each other, and a driving assembly 300, wherein the two winding assemblies 200 disposed opposite to each other are slidably connected to the base 100, and the driving assembly 300 is connected to the two winding assemblies 200.

The base 100 in this embodiment is a flat plate structure for supporting two rolling assemblies 200 and a driving assembly 300, which will not be described herein.

Be used for being connected with wind-up roll 260 between two rolling components 200 in this embodiment to drive farming wind-up roll 260 and rotate, thereby realize the function of rolling, explain in detail below two rolling components 200's overall structure and concrete function.

The winding assemblies 200 in this embodiment each include a slider 210, an adjusting block 220, an adjusting member 230, a supporting rod 240 and a rotating shaft 250, the slider 210 is slidably connected to the base 100, the top of the slider 210 is slidably connected to the adjusting block 220 via the adjusting member 230, the sliding direction of the slider 210 and the sliding direction of the adjusting block 220 are perpendicular to each other, each of the two adjusting members 230 has an elastic end for the two adjusting blocks 220 to have a tendency of relative movement, the top of the adjusting block 220 is fixedly connected to the supporting rod 240, the rotating shaft 250 is rotatably connected to the supporting rod 240, the length direction of the rotating shaft 250 is parallel to the sliding direction of the adjusting block 220, a clamping gap with an adjustable size is formed between two adjacent rotating shafts 250 for clamping and releasing the winding roller 260, one of the rotating shafts 250 is connected to an output shaft of a motor 251 for driving the winding roller 260 to rotate.

The two sliding blocks 210 in this embodiment are in a column shape, the two sliding blocks 210 are arranged in parallel, the moving directions of the two sliding blocks 210 are the same, wherein the base 100 is provided with two sliding grooves 110 arranged in parallel, the two sliding blocks 210 are respectively connected with the two sliding grooves 110 in a sliding manner, and the extending directions of the sliding grooves 110 are perpendicular to the length direction of the rotating shaft 250.

The adjusting block 220 is cylindrical, the adjusting block 220 has an abutting surface 221, and the abutting surface 221 forms a sliding path along the sliding direction of the slider 210, but it should be understood that the adjusting block 220 may have other shapes as long as the adjusting block has the abutting surface 221 forming the sliding path.

As shown in fig. 3-4, the adjusting member 230 in this embodiment includes a sliding rod 231 and a spring 232, the spring 232 is an elastic end of the adjusting member 230, the spring 232 is sleeved on the sliding rod 231, a strip-shaped groove 222 is formed at the bottom of the adjusting block 220, an extending direction of the strip-shaped groove 222 is parallel to a length direction of the rotating shaft 250, the top of the slider 210 is slidably connected to the strip-shaped groove 222, the sliding rod 231 sequentially passes through the adjusting block 220 and the slider 210, the sliding rod 231 is fixedly connected to the slider 210, the sliding rod 231 is slidably connected to the adjusting block 220, the length direction of the sliding rod 231 is parallel to the length direction of the rotating shaft 250, one end of the spring 232 is fixedly connected to one side of the slider 210 close to another slider 210, and the other end of the spring 232 is fixedly connected to the strip-shaped groove 222.

The two guide blocks 320 are located at one side of the rotating shaft 250, the first telescopic member 310 is located at the other side of the rotating shaft 250, and the first telescopic member 310 is connected to the two sliding blocks 210 through a connecting rod.

In order to facilitate replacement of the wind-up roll 260, the apparatus in this embodiment further includes a feeding assembly 400, the feeding assembly 400 includes a connecting plate 410, a second telescopic member 420 and a fixing plate 430, two sides of the connecting plate 410 are respectively connected with the two sliders 210, the second telescopic member 420 is installed on the connecting plate 410, an output end of the second telescopic member 420 is vertically disposed and connected with the fixing plate 430, and a clamping station for placing the wind-up roll 260 is disposed on the fixing plate 430.

Further, the clamping station comprises a fixing plate 430 and a semi-annular buckle, the bottom of the fixing plate 430 is connected with the output end of the second telescopic member 420, the top of the fixing plate 430 is connected with the semi-annular buckle, and the semi-annular buckle is arranged between the two rotating shafts 250.

In order to facilitate the rotating shaft 250 to be inserted into and removed from the wind-up roll 260, and the rotating shaft 250 drives the wind-up roll 260 to rotate, as shown in fig. 5, one end of the two rotating shafts 250 opposite in the embodiment is a conical block 252, two ends of the wind-up roll 260 are both provided with a conical groove 261, and the two conical blocks 252 are respectively clamped with the two conical grooves 261.

As shown in fig. 2, the driving assembly 300 in this embodiment includes a first telescopic member 310 and two guide blocks 320 corresponding to the two adjusting blocks 220 one by one, an output end of the first telescopic member 310 is connected to the two sliders 210 to drive the two sliders 210 to slide synchronously, an inclined surface 321 is disposed on the guide block 320, the inclined surface 321 is located on a sliding path formed by the corresponding slider 210 along a sliding direction, and slides along the inclined surface 321 through the adjusting block 220 to allow the two adjusting blocks 220 to move back and forth.

The working process is as follows: one end of the heat shrinkable film is clamped and embedded in a clamping groove (not shown) formed in the outer wall of the winding roller 260, a motor 251 is started to drive a rotating shaft 250 to rotate, so that the winding roller 260 is driven to rotate, the winding roller 260 winds the heat shrinkable film, when the winding roller 260 needs to be replaced after the winding operation is finished, a first telescopic part 310 is started to push two sliders 210 to slide towards the direction close to a guide block 320 until a butting surface 221 of an adjusting block 220 is butted with an inclined surface 321 of the guide block 320, the two adjusting blocks 220 move back and forth along with the movement of the butting surface 221 of the adjusting block 220 on the inclined surface 321 of the guide block 320, a clamping gap between the two rotating shafts 250 is enlarged, the two rotating shafts 250 move back and forth until the two rotating shafts 250 are respectively drawn out from two ends of the winding roller 260 to catch the falling winding roller 260, and a new winding roller 260 is clamped and embedded in a semi-annular buckle on a fixing plate 430, as shown in fig. 1, when the second telescopic member 420 is opened to drive the new wind-up roll 260 to move upward, and when the position moves from S1 to S2, the first telescopic member 310 is opened to drive the two sliders 210 to move back, the abutting surface 221 of the adjusting block 220 gradually disengages from the inclined surface 321 of the guide block 320, the two adjusting blocks 220 move relatively, so as to drive the two rotating shafts 250 to move relatively, until the opposite ends of the two rotating shafts 250 are respectively clamped into the new wind-up roll 260 shafts, and the following process is completed.

Compared with the prior art: the winding device is characterized in that a rotating shaft 250 is rotatably connected with a supporting rod 240, one of the rotating shafts 250 is connected with an output shaft of a motor 251 to drive a winding roller 260 to rotate, so that winding work is realized, the sliding direction of a sliding block 210 and the sliding direction of an adjusting block 220 are perpendicular to each other, two adjusting pieces 230 are respectively provided with an elastic end to enable the two adjusting blocks 220 to have a tendency of relative movement, under the condition of not being influenced by external force, the size of a clamping gap between the two rotating shafts 250 is inconvenient, the length direction of the rotating shafts 250 is parallel to the sliding direction of the adjusting block 220, a clamping gap with adjustable size is formed between two adjacent rotating shafts 250, when the clamping gap is enlarged, the winding roller 260 is released, when the clamping gap is reduced, the winding roller 260 can be clamped, by arranging an inclined plane 321 on a guide block 320, the inclined plane 321 is positioned on a sliding path formed by the corresponding sliding block 210 along the sliding direction, the adjusting blocks 220 on the sliding blocks 210 are driven to slide under the pushing of the first telescopic piece 310, the adjusting blocks 220 slide along the inclined planes 321, so that the two adjusting blocks 220 move back to back, the clamping gap between the two rotating shafts 250 is increased, the winding roller 260 is separated from the rotating shafts 250 at the moment, when the adjusting blocks 220 are separated from the inclined planes 321 to slide, the clamping gap between the two rotating shafts 250 is decreased, the new winding roller 260 is convenient to clamp, and the replacement is convenient.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. A thermal contraction film winding device is characterized by comprising a base, two winding components and a driving component, wherein the two winding components and the driving component are oppositely arranged;

the winding assemblies respectively comprise a sliding block, adjusting blocks, adjusting pieces, supporting rods and rotating shafts, the sliding block is connected with the base in a sliding mode, the top of the sliding block is connected with the adjusting blocks in a sliding mode through the adjusting pieces, the sliding direction of the sliding block is perpendicular to the sliding direction of the adjusting blocks, the two adjusting pieces are provided with elastic ends, so that the two adjusting blocks can move relatively, the top of the adjusting block is fixedly connected with the supporting rods, the rotating shafts are connected with the supporting rods in a rotating mode, the length direction of each rotating shaft is parallel to the sliding direction of the adjusting blocks, a clamping gap with adjustable size is formed between every two adjacent rotating shafts, so that the winding rollers can be clamped and released, and one rotating shaft is connected with an output shaft of a motor and used for driving the winding rollers to rotate;

the drive assembly comprises a first telescopic piece and two guide blocks in one-to-one correspondence with the adjusting blocks, the output end of the first telescopic piece is connected with the two sliding blocks and used for driving the two sliding blocks to slide synchronously, an inclined plane is formed on each guide block and is located in a corresponding sliding path formed by the sliding blocks along the sliding direction, and the inclined plane slides along the inclined plane through the adjusting blocks so as to allow the two adjusting blocks to move back to back.

2. The heat shrinkable film winding device of claim 1, wherein the adjusting member comprises a sliding rod and a spring, the spring is an elastic end of the adjusting member, the spring is sleeved on the sliding rod, a strip-shaped groove is formed in the bottom of the adjusting block, the extending direction of the strip-shaped groove is parallel to the length direction of the rotating shaft, the top of the sliding block is in sliding connection with the strip-shaped groove, the sliding rod sequentially penetrates through the adjusting block and the sliding block, the sliding rod is fixedly connected with the sliding block, the sliding rod is in sliding connection with the adjusting block, the length direction of the sliding rod is parallel to the length direction of the rotating shaft, one end of the spring is fixedly connected with one side of the sliding block, which is close to the other sliding block, and the other end of the spring is fixedly connected with the strip-shaped groove.

3. The heat shrinkable film winding device of claim 1, wherein the adjusting block is cylindrical and has an abutting surface forming the sliding path in a sliding direction of the slider.

4. The thermal contraction film rolling device according to claim 1, wherein two guide blocks are arranged on one side of the rotating shaft, the first telescopic member is arranged on the other side of the rotating shaft, and the first telescopic member is connected with two sliding blocks through a connecting rod.

5. The thermal contraction film winding device according to claim 1, further comprising a feeding assembly, wherein the feeding assembly comprises a connecting plate, a second telescopic member and a fixing plate, two sides of the connecting plate are respectively connected with the two sliding blocks, the second telescopic member is mounted on the connecting plate, an output end of the second telescopic member is vertically arranged and connected with the fixing plate, and a clamping station for placing a winding roller is arranged on the fixing plate.

6. The thermal contraction film winding device of claim 5, wherein the clamping station comprises a fixed plate and a semi-annular buckle, the bottom of the fixed plate is connected with the output end of the second telescopic piece, the top of the fixed plate is connected with the semi-annular buckle, and the semi-annular buckle is arranged between the two rotating shafts.

7. The thermal contraction film winding device according to claim 1, wherein the base is provided with two sliding grooves which are parallel to each other, the two sliding blocks are respectively connected with the two sliding grooves in a sliding manner, and the extending direction of the sliding grooves is perpendicular to the length direction of the rotating shaft.

8. The thermal contraction film winding device of claim 1, wherein one end of each of the two opposite rotating shafts is a conical block, two ends of the winding roller are provided with conical grooves, and the two conical blocks are respectively clamped with the two conical grooves.