CN108438976B - Coil stock expansion unreeling device - Google Patents
Coil stock expansion unreeling device Download PDFInfo
- Publication number
- CN108438976B CN108438976B CN201810185165.9A CN201810185165A CN108438976B CN 108438976 B CN108438976 B CN 108438976B CN 201810185165 A CN201810185165 A CN 201810185165A CN 108438976 B CN108438976 B CN 108438976B
- Authority
- CN
- China
- Prior art keywords
- movable block
- block
- rotating shaft
- main body
- expansion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/10—Arrangements for effecting positive rotation of web roll
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/02—Supporting web roll
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/173—Metal
Abstract
The invention discloses a coil stock expanding and unreeling device, which comprises a rotating mechanism and a rotating disc assembly connected with the rotating mechanism, wherein the rotating disc assembly comprises a turntable main body, and at least two expanding blocks are circumferentially and movably distributed on the turntable main body; the movable block is abutted with the expansion block through a wedge-shaped structure, and an elastic piece for driving the expansion block to be radially inwards tightened on the movable block is connected to the expansion block; the linear driving mechanism is connected with the movable block and is used for driving the movable block to move along the axial direction of the turntable main body so as to enable the expansion block to move radially outwards or inwards relative to the turntable main body, and further expand or loosen the coiled material; the device pushes the movable block to move linearly through the linear driving mechanism, and then the expansion block which is abutted with the movable block through the wedge-shaped structure can be driven to move radially outwards, so that coiled materials are expanded on the rotating disc assembly and rotate under the action of the rotating mechanism, the automation degree of installing and dismantling the coiled materials is high, and the higher coaxiality between the coiled materials and the rotating disc assembly is maintained.
Description
Technical Field
The invention relates to an unreeling device, in particular to a coil stock expanding unreeling device.
Background
Currently, when manufacturing safety capacitors, a metallized film is generally used for winding to form a core paper of the capacitor. The metallized film is coiled material before being coiled, the common unreeling device drives the rotating disc to rotate by a motor, the coiled material and the rotating disc are coaxially arranged, friction force between the center of the coiled material and the rotating disc is increased by a gasket to prevent the coiled material and the rotating disc from separating, or the coiled material is sleeved on the rotating disc firstly, and then the coiled material is tightly pressed on the rotating disc from the side surface of the coiled material by a screw cap to prevent the coiled material and the rotating disc from separating; the unreeling device with the above two structures needs longer preparation time to install the coil stock, the production efficiency is seriously affected under the degree of automation, and the coaxiality of the coil stock and the rotating disc cannot be guaranteed, so that tension fluctuation of the metallized film during unreeling is larger, the quality of capacitor core paper is finally affected, and the performance of a capacitor is affected.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a coil material expanding and unreeling device with high automation and high coaxiality between the coil material and a rotating disc assembly.
The invention adopts the technical proposal for solving the technical problems that:
the rolling material expanding and unreeling device comprises a rotating mechanism and a rotating disc assembly connected with the rotating mechanism, wherein the rotating disc assembly comprises a rotating disc main body, and at least two expanding blocks are circumferentially and movably distributed on the rotating disc main body; the movable block is abutted with the expansion block through a wedge-shaped structure, and an elastic piece for driving the expansion block to be radially inwards tightened on the movable block is connected to the expansion block; the linear driving mechanism is connected with the movable block and is used for driving the movable block to move along the axial direction of the turntable main body so that the expansion block moves radially outwards or inwards relative to the turntable main body, and then the coiled material is expanded or loosened.
The rotary mechanism is connected with the rotary table main body through a rotary shaft, the rotary shaft is hollow, a traction shaft connected with the movable block is arranged in the rotary shaft in a penetrating manner, a movable sleeve sleeved outside the rotary shaft is fixedly connected with the other end of the traction shaft, a second elastic piece is arranged between the movable sleeve and the rotary shaft, and the linear driving mechanism is used for driving the movable sleeve to axially move relative to the rotary shaft so as to drive the movable block to be matched with the expansion block to expand or release coiled materials.
The traction shaft is connected with the movable sleeve through the fixing pin, an avoidance space for avoiding the fixing pin to pass through is formed in the rotating shaft, and the fixing pin can move forwards and backwards along the axis of the rotating shaft in the avoidance space.
Still including being used for fixed mounting in the frame the casing subassembly, this casing subassembly suit is in axis of rotation and activity telescopic outside, and sharp actuating mechanism is including rotating the swing frame that sets up on the casing subassembly, is equipped with on this swing frame and is used for promoting activity telescopic impeller, offer on the casing subassembly supply the impeller get into and with the space of stepping down of activity sleeve looks butt, be equipped with on the casing subassembly be used for driving the swing frame rotate so that impeller promotes activity telescopic cylinder, be connected with the third elastic component that is used for the swing frame to reset between swing frame and the casing subassembly.
A bearing is disposed between the housing assembly and the rotating shaft.
The pushing piece is a roller wheel rotatably arranged on the swinging frame.
The inside of the expansion block is provided with an arc groove, the arc grooves of all the expansion blocks enclose a circle of annular mounting groove, and the elastic piece is a tension spring which is accommodated in the mounting groove and connected end to end.
The beneficial effects of the invention are as follows: the unreeling device with the structure pushes the movable block to linearly move through the linear driving mechanism, and then the expansion block which is abutted to the movable block through the wedge-shaped structure can be driven to radially move outwards, so that coiled materials are expanded on the rotating disc assembly, unreeling is rotated under the action of the rotating mechanism, the automation degree of installing and dismantling the coiled materials is high, higher coaxiality between the coiled materials and the rotating disc assembly is maintained, and tension fluctuation of metallized films during unreeling is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and the detailed description, but it should be understood that the following description is illustrative of the embodiments and is not to be construed as limiting the invention.
Referring to fig. 1 and 2, a coil stock expanding and unreeling device comprises a rotating mechanism 1 and a rotating disc assembly 2 connected with the rotating mechanism, wherein the rotating disc assembly 2 comprises a rotating disc main body 21, and at least two expanding blocks 22 are circumferentially and movably distributed on the rotating disc main body 21; the movable block 3 is abutted with the expansion block 22 through a wedge structure, the expansion block 22 is connected with an elastic piece 9 for driving the expansion block 22 to be tightened on the movable block 3 radially inwards, in the embodiment, the inside of the expansion block 22 is provided with an arc-shaped groove, the arc-shaped grooves of all the expansion blocks 22 enclose a circle of annular mounting groove, and the elastic piece 9 is a tension spring which is accommodated in the mounting groove and is connected end to end; and the linear driving mechanism 4 is connected with the movable block 3 and is used for driving the movable block 3 to move along the axial direction of the turntable main body 21 so as to enable the expansion block 22 to move radially outwards or inwards relative to the turntable main body 21, and further expanding or releasing the coiled material. The device pushes the movable block 3 to move linearly through the linear driving mechanism 4, and then the expansion block 22 which is abutted to the movable block 3 through the wedge-shaped structure can be driven to move radially outwards, so that the coil stock is expanded on the rotating disc assembly 2 and rotates under the action of the rotating mechanism 1, the automation degree of installing and dismantling the coil stock is high, the higher coaxiality between the coil stock and the rotating disc assembly 2 is maintained, the tension fluctuation of the metallized film during unreeling is reduced, the stability of the quality of capacitor core paper is finally ensured, and the quality of a capacitor is facilitated. The rotation mechanism 1 is here a servomotor or a stepper motor.
In this embodiment, the rotating mechanism 1 is connected with the turntable main body 21 through the rotating shaft 5, the interior of the rotating shaft 5 is hollow, a traction shaft 6 connected with the movable block 3 is penetratingly arranged in the rotating shaft 5, a movable sleeve 7 sleeved outside the rotating shaft 5 is fixedly connected with the other end of the traction shaft 6, a second elastic piece 8 is arranged between the movable sleeve 7 and the rotating shaft 5, and the linear driving mechanism 4 is used for driving the movable sleeve 7 to axially move relative to the rotating shaft 5 so as to drive the movable block 3 to be matched with the expansion block 22 to expand or release coiled materials. Wherein, the traction shaft 6 is connected with the movable sleeve 7 through the fixed pin 10, and the avoidance space 51 for avoiding the fixed pin 10 to pass through is formed on the rotating shaft 5, and the fixed pin 10 can move back and forth along the axial direction of the rotating shaft 5 in the avoidance space 51, when the rotating mechanism 1 drives the rotating shaft 5 to rotate, the rotating shaft 5 can drive the traction shaft 6 and the movable sleeve 7 to rotate together through the fixed pin 10, thereby realizing the unreeling function.
When the coil stock expanding and unreeling device with the structure works, the movable sleeve 7 drives the traction shaft 6 to move towards the inner side under the action of the second elastic piece 8, so that the movable block 3 ejects the expanding block 22 radially outwards through the cooperation of the wedge-shaped structure, the coil stock is expanded, when the coil stock is required to be unloaded or a new coil stock is put in, the linear driving mechanism 4 pushes the movable sleeve 7 forwards, the movable sleeve 7 drives the traction shaft 6 to move forwards so that the movable block 3 moves outwards, the expanding block 22 tightens inwards to be abutted against the wedge-shaped surface of the movable block 3, and at the moment, a gap is reserved between the expanding block 22 movably installed on the turntable main body 21 and the coil stock, so that the coil stock is unloaded or the new coil stock is put in.
The invention also comprises a shell component 11 which is fixedly arranged on the frame, the shell component 11 is sleeved outside the rotating shaft 5 and the movable sleeve 7, the linear driving mechanism 4 comprises a swinging frame 41 which is rotatably arranged on the shell component 11, a pushing piece 42 which is used for pushing the movable sleeve 7 is arranged on the swinging frame 41, a yielding space which is used for the pushing piece 42 to enter and prop against the movable sleeve 7 is arranged on the shell component 11, an air cylinder 43 which is used for driving the swinging frame 41 to rotate so that the pushing piece 42 pushes the movable sleeve 7 is arranged on the shell component 11, and a third elastic piece 44 which is used for resetting the swinging frame 41 is connected between the swinging frame 41 and the shell component 11. In other embodiments, the linear drive mechanism 4 may comprise a slide connected to the movable sleeve 7 and a piston cylinder connected to the slide.
Preferably, a bearing 12 is arranged between the housing assembly 11 and the rotating shaft 5, further improving the stability of the device.
The pushing member 42 is a roller rotatably arranged on the swinging frame 41, and the roller can rotate in the process of pushing the movable sleeve 7, so that the rigid collision is prevented from damaging the movable sleeve 7 and affecting the accuracy of the movement stroke of the linear driving mechanism 4.
The foregoing is merely a preferred embodiment of the present invention, and is not limited to the above specific embodiment, as long as the technical solution for achieving the object of the present invention by substantially the same means falls within the scope of the present invention.
Claims (4)
1. The utility model provides a coil stock is expanded and is unreeled device, includes slewing mechanism and the rolling disc subassembly of being connected with it, its characterized in that:
the rotary disc assembly comprises a rotary disc main body, and at least two expansion blocks are circumferentially and movably distributed on the rotary disc main body;
the movable block is abutted with the expansion block through a wedge-shaped structure, and an elastic piece for driving the expansion block to be radially inwards tightened on the movable block is connected to the expansion block;
the linear driving mechanism is connected with the movable block and is used for driving the movable block to move along the axial direction of the turntable main body so as to enable the expansion block to move radially outwards or inwards relative to the turntable main body, and further expand or loosen the coiled material;
the rotating mechanism is connected with the turntable main body through a rotating shaft, the inside of the rotating shaft is hollow, a traction shaft connected with the movable block is arranged in the rotating shaft in a penetrating way, the other end of the traction shaft is fixedly connected with a movable sleeve sleeved outside the rotating shaft, a second elastic piece is arranged between the movable sleeve and the rotating shaft, and the linear driving mechanism is used for driving the movable sleeve to axially move relative to the rotating shaft so as to drive the movable block and the expansion block to be matched and expanded or loosen coiled materials;
the traction shaft is connected with the movable sleeve through a fixed pin, an avoidance space for avoiding the fixed pin to pass through is formed in the rotating shaft, and the fixed pin can move forwards and backwards along the axial direction of the rotating shaft in the avoidance space;
still including being used for fixed mounting in the frame the casing subassembly, this casing subassembly suit is in axis of rotation and activity telescopic outside, and sharp actuating mechanism is including rotating the swing frame that sets up on the casing subassembly, is equipped with on this swing frame and is used for promoting activity telescopic impeller, offer on the casing subassembly supply the impeller get into and with the space of stepping down of activity sleeve looks butt, be equipped with on the casing subassembly be used for driving the swing frame rotate so that impeller promotes activity telescopic cylinder, be connected with the third elastic component that is used for the swing frame to reset between swing frame and the casing subassembly.
2. A coil form expanding and unreeling device as claimed in claim 1 wherein:
a bearing is disposed between the housing assembly and the rotating shaft.
3. A coil form expanding and unreeling device as claimed in claim 1 wherein: the pushing piece is a roller wheel rotatably arranged on the swinging frame.
4. A coil form expanding and unreeling device as claimed in claim 1 wherein:
the inside of the expansion block is provided with an arc groove, the arc grooves of all the expansion blocks enclose a circle of annular mounting groove, and the elastic piece is a tension spring which is accommodated in the mounting groove and connected end to end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810185165.9A CN108438976B (en) | 2018-03-07 | 2018-03-07 | Coil stock expansion unreeling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810185165.9A CN108438976B (en) | 2018-03-07 | 2018-03-07 | Coil stock expansion unreeling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108438976A CN108438976A (en) | 2018-08-24 |
| CN108438976B true CN108438976B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810185165.9A Active CN108438976B (en) | 2018-03-07 | 2018-03-07 | Coil stock expansion unreeling device |
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| CN (1) | CN108438976B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109051968A (en) * | 2018-09-18 | 2018-12-21 | 天津广大纸业股份有限公司 | A kind of electrocardiograph paper Waste edge collecting device |
| CN110434627A (en) * | 2019-08-26 | 2019-11-12 | 东莞市晋诚机械有限公司 | A kind of anti-scratch centering machine |
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