CN109895178B - Speed-changing and indexing device - Google Patents
Speed-changing and indexing device Download PDFInfo
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- CN109895178B CN109895178B CN201910299558.7A CN201910299558A CN109895178B CN 109895178 B CN109895178 B CN 109895178B CN 201910299558 A CN201910299558 A CN 201910299558A CN 109895178 B CN109895178 B CN 109895178B
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- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000001179 sorption measurement Methods 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims description 6
- 230000017105 transposition Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention provides a variable speed indexing device which comprises a rotary disk, a first motor, a circular guide rail, a cylindrical cam and a plurality of rotary adsorption mechanisms, wherein the rotary disk comprises a plurality of linear guide rails, each rotary adsorption mechanism comprises a rotary frame, an indexing shaft and a negative pressure adsorption block, a first sliding block matched with the circular guide rail and a second sliding block matched with the linear guide rail in a sliding way are arranged on the rotary frame, the rotary frame can be driven by the rotary disk to do variable speed rotary motion along the circular guide rail, and meanwhile, a swing arm is driven by a cylindrical cam track groove to swing so as to finally drive the negative pressure adsorption block to index. The invention utilizes the principle of a rotary crank mechanism, can realize the speed-changing transposition of the backing material on the premise of not changing the rotation radius, radically improves the prior art and breaks through the original rotation speed limit.
Description
Technical Field
The invention relates to a variable-speed indexing device which is mainly applied to production lines of flexible base materials such as pull-up pants, sanitary napkins, training pants, diaper and the like and is used for realizing high-speed indexing and variable-speed conveying of the base materials.
Background
In the production processes of pull-up pants, sanitary napkins, training pants, diaper and the like, continuous flexible materials are required to be cut, indexed and compounded, different conveying speeds are required to be provided at the cutting and compounding positions, and the existing cutting mechanism and the existing indexing mechanism are arranged on a production line in a fly-over manner and have the defects of large volume, high cost and the like.
In order to overcome the above problems, a speed-changing indexing device (application number 201410205218.0) of flexible material is available, so that a unified mechanism can realize two operations of speed-changing indexing, however, the highest running speed of the technical scheme can only reach 50r/min, namely 500pcs/min, which is insufficient to meet the production requirement.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a speed-changing indexing device which can realize speed-changing indexing of a backing material on the premise of not changing the rotation radius by utilizing the principle of a rotary crank mechanism, thereby fundamentally improving the prior art and breaking through the original rotation speed limit.
The invention is realized by the following technical scheme:
a variable speed indexing device, characterized in that: comprising
The rotating disk can rotate around the axis of the rotating disk and is provided with a linear guide rail extending along the radial direction of the rotating disk;
the first motor is used for driving the rotating disc to rotate;
the circular guide rail can rotate around the axis of the circular guide rail, and the axis of the circular guide rail is parallel to the axis of the rotating disc at intervals;
a cylindrical cam coaxially arranged with the circular guide rail, the outer circumferential surface of which is formed with a track groove;
the rotary suction mechanisms comprise a rotary frame, an indexing shaft and a negative pressure suction block, a first sliding block matched with the circular guide rail and a second sliding block matched with the linear guide rail in a sliding manner are arranged on the rotary frame, the second sliding block is connected with the rotary frame through a torsion arm twisted around an axis, the indexing shaft is of a hollow structure and is provided with a negative pressure hole for negative pressure inflow, the negative pressure hole is rotatably arranged on the rotary frame and extends along the radial direction of the cylindrical cam, a swing arm is arranged on the indexing shaft, a cam bearing matched with a track groove of the cylindrical cam is arranged on the swing arm, and the negative pressure suction block is fixedly arranged on the indexing shaft;
the revolving frame can be driven by the rotating disk to do variable-speed rotating motion along the circular guide rail, and meanwhile, the swing arm is driven by the cylindrical cam track groove to swing so as to finally drive the negative pressure adsorption block to index.
Further, the device further comprises a negative pressure supply mechanism, the negative pressure supply mechanism comprises a circular arc negative pressure chamber, a rotary cover, a plurality of negative pressure connection pipes and a second motor, one side of the circular arc negative pressure chamber is opened, the rotary cover can rotate around the axis of the rotary cover and close the opening of the circular arc negative pressure chamber, the rotary cover, the circular arc negative pressure chamber and the circular guide rail are coaxially arranged, the plurality of negative pressure connection pipes are circumferentially arranged on the rotary cover, the negative pressure connection pipes opposite to the circular arc negative pressure chamber on the rotary cover are communicated with the circular arc negative pressure chamber, the negative pressure connection pipes at other positions are not communicated with the circular arc negative pressure chamber, the plurality of negative pressure connection pipes are respectively communicated with corresponding negative pressure adsorption blocks through hoses, the second motor is used for driving the rotary cover to rotate, and the circular arc negative pressure chamber is communicated with a negative pressure source.
Further, still include frame, back shaft, pivot and bearing structure, the back shaft is fixed to be set up in the frame, and the pivot rotatable setting is in the frame and with the parallel interval arrangement of back shaft, bearing structure is supported jointly by back shaft and pivot and is set up, circular guide rail rotatable setting is on bearing structure, the fixed setting of cylinder cam is on bearing structure.
Further, the supporting structure comprises two supporting plates which are arranged in parallel at intervals, and the two supporting plates are coaxially arranged with the cylindrical cam and are respectively connected with two end faces of the cylindrical cam.
Further, the supporting structure further comprises a guide rail mounting ring for mounting the circular guide rail, and the guide rail mounting ring is rotatably arranged on the supporting disc through a bearing.
Further, the number of the circular guide rails is two, the circular guide rails are respectively rotatably arranged on the two support plates through the guide rail mounting rings, and the two first sliding blocks are arranged on the revolving frame.
Further, a connecting rod in friction contact with the guide rail mounting ring is arranged on the revolving frame.
Further, the cylindrical cam is of a hollow structure.
Further, the indexing shaft is provided with a hollow structure communicated with the negative pressure adsorption block, the side wall of the indexing shaft is provided with a communication hole communicated with the hollow structure, the indexing shaft is rotatably arranged on the revolving frame through a shaft sleeve, and the shaft sleeve is provided with a negative pressure interface communicated with the communication hole.
The invention has the following beneficial effects:
1. the invention provides a speed-changing indexing device, which utilizes a first sliding block matched with a circular guide rail and a second sliding block matched with a linear guide rail on a revolving frame to form a revolving crank mechanism, can realize speed changing and indexing of a base material on the premise of not changing a rotation radius in the same procedure, fundamentally improves the prior art, breaks through the original 50r/min (i.e. 500 pcs/min) rotating speed limit, reaches the high-speed rotating speed of 78r/min-90r/min (i.e. 700pcs/min-900 pcs/min), and runs more stably.
2. The invention provides a variable-speed indexing device, which adopts a circular arc-shaped negative pressure chamber, can enable the negative pressure device to open or close at a specific rotation angle to provide negative pressure, and enables a backing material to be automatically adsorbed or separated from a rotary adsorption block, and has the advantages of simple and reliable structure, stability and high efficiency.
3. The invention provides a speed-changing indexing device, which uses a supporting shaft and a rotating shaft double-shaft structure to be matched with a frame supporting device, and is more stable and reliable compared with the technical scheme of the existing single-shaft matched support to support an eccentric rotating mechanism.
4. The invention provides a speed-changing indexing device, which uses a connecting rod in friction contact with a guide rail mounting ring, can ensure the high-speed performance of an arc guide rail and increases the stability of the device.
5. The invention provides a speed-changing transposition device, wherein a rotary adsorption mechanism is connected with a negative pressure supply mechanism through a hose, so that negative pressure leakage caused by pipeline breakage due to asynchronous operation of a motor is prevented.
6. The invention provides a speed-changing transposition device, wherein a transposition shaft with a hollow structure can ensure that negative pressure enters a negative pressure adsorption block and can ensure that the transposition of the negative pressure adsorption block is regulated without influencing the rotation of the transposition shaft, and a hose is fixed on a revolving frame without synchronous rotation with the transposition shaft, so that the service life of a negative pressure supply mechanism is greatly prolonged.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic elevational view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic rear view of the present invention;
FIG. 4 is a schematic side cross-sectional view of the present invention;
fig. 5 is a schematic diagram of the working principle of the present invention.
The label information in the figure is: the rotary suction device comprises a support shaft 1, a rotating shaft 2, a rotary suction structure 3, a negative pressure supply mechanism 4, a support structure 5, a rotary disk 6, a circular guide rail 7, a cylindrical cam 8, a frame 9, a rotary frame 31, an indexing shaft 32, a negative pressure suction block 33, a torsion arm 34, a swing arm 35, a circular arc-shaped negative pressure chamber 41, a rotary cover 42, a negative pressure connecting pipe 43, a second motor 44, a support disk 51, a guide rail mounting ring 52, a linear guide 61, a first motor 62, a track groove 81, a front plate 91, a rear plate 92, a bottom plate 93, a first slider 311, a second slider 312, a connecting rod 313 and a negative pressure interface 321.
Detailed Description
The invention will be described with reference to the accompanying drawings:
the invention provides a variable speed indexing device which comprises a frame 9, a supporting shaft 1, a rotating shaft 2, a first motor 62, a supporting structure 5, a rotating disc 6, a circular guide rail 7, a cylindrical cam 8, a rotary adsorption mechanism 3 and a negative pressure supply mechanism 4, wherein the frame 9 is formed by splicing a front plate 91, a rear plate 92 and a bottom plate 93, the front plate 9 and the rear plate 92 are arranged in parallel, holes for installing the supporting shaft 1 and the rotating shaft 2 are formed in the front plate 91 and the rear plate 92, and a pipe orifice hole connected with a negative pressure source is formed in the rear plate 92. The support shaft 1 is fixedly arranged on the frame 9, the rotating shaft 2 is rotatably arranged on the frame 9 through a bearing and is arranged at intervals parallel to the support shaft 1, the support structure 5 is supported and arranged by the support shaft 1 and the rotating shaft 2 together, and the support structure 5 comprises two support plates 51 and two guide rail mounting rings 52 which are arranged at intervals parallel to each other. The cylindrical cam 8 is of a hollow structure, the outer peripheral surface is provided with track grooves 81, the axis is arranged at intervals parallel to the axis of the support shaft 1, the cylindrical cam 8 is fixedly arranged between the upper support disc 51 and the lower support disc 51, the two support discs 51 and the cylindrical cam 8 are coaxially arranged and are respectively connected to two end faces of the cylindrical cam 8, the two guide rail mounting rings 52 are respectively rotatably arranged on the upper side and the lower side of the two support discs 51 through bearings, the number of the circular guide rails 7 is two, the two guide rail mounting rings 52 are respectively rotatably arranged on the two support discs 51, and the axis is coaxial with the cylindrical cam 8. The rotating disc 6 is rotatably arranged on the inner side of a front plate 91 of the frame 9 on the supporting shaft 1 through a bearing, is driven by a first motor 62 through a gear, rotates around the supporting shaft 1, and nine linear guide rails 61 extending along the radial direction of the rotating disc 6 are arranged on the rotating disc 6.
The speed-changing indexing device comprises nine rotary adsorbing mechanisms 3, each rotary adsorbing mechanism comprises a rotary frame 31, an indexing shaft 32 and a negative pressure adsorbing block 33, two first sliding blocks 311 matched with a circular guide rail 7, a second sliding block 312 matched with a linear guide rail 61 in a sliding way and a connecting rod 313 in friction contact with a guide rail mounting ring 52 are arranged on the rotary frame 31, the second sliding block 312 is connected with the rotary frame 31 through a torsion arm 34 twisted around an axis, the indexing shaft 32 is provided with a hollow structure communicated with the negative pressure adsorbing block 33, the side wall of the indexing shaft is provided with a communication hole communicated with the hollow structure, the indexing shaft 32 is rotatably arranged on the rotary frame 31 through a shaft sleeve, and a negative pressure interface 321 communicated with the communication hole is arranged on the shaft sleeve. The indexing shaft 32 is provided with a swing arm 35, the swing arm 35 is provided with a cam bearing matched with a track groove 81 of the cylindrical cam 8, and the negative pressure adsorption block 33 is fixedly arranged on the indexing shaft 32. The revolving frame 31 can be driven by the rotating disc 6 to do variable speed rotation motion along the circular guide rail 7, and meanwhile, the swing arm 35 is driven by the track groove 81 of the cylindrical cam 8 to swing so as to finally drive the negative pressure adsorption block 33 to index.
The negative pressure supply mechanism 4 comprises a circular arc-shaped negative pressure chamber 41, a rotary cover 42, nine negative pressure connection pipes 43 and a second motor 44, wherein one side of the circular arc-shaped negative pressure chamber 41 is opened and is arranged on the inner side of a rear plate 92 of the stand 9, the rotary cover 42 can rotate around the axis of the rotary cover 42 and close the opening of the circular arc-shaped negative pressure chamber 41, the rotary cover 42, the circular arc-shaped negative pressure chamber 41 and the circular guide rail 7 are coaxially arranged, the nine negative pressure connection pipes 43 are circumferentially arranged on the rotary cover 42, the negative pressure connection pipes 43 opposite to the circular arc-shaped negative pressure chamber 41 on the rotary cover 42 are communicated with the circular arc-shaped negative pressure chamber 41, the negative pressure connection pipes 43 at other positions are not communicated with the circular arc-shaped negative pressure chamber 41, the nine negative pressure connection pipes 43 are respectively communicated with the corresponding negative pressure adsorption blocks 33 through hoses, the second motor 44 drives the rotary shaft 2 to rotate through gears, the rotary shaft 2 drives the rotary cover 42 to rotate through an internal gear, and the circular arc-shaped negative pressure chamber 41 is communicated with a negative pressure source. The negative pressure of the negative pressure source enters the circular arc-shaped negative pressure chamber 41, enters the rotary frame 31 of the rotary adsorbing device 3 through a hose, and then enters the negative pressure adsorbing block 33 through the indexing shaft 32 from the negative pressure hole on the hollow indexing shaft 32 to adsorb the bottom materials.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, i.e., the invention is not to be limited to the details of the claims and the description, but rather is to cover all modifications which are within the scope of the invention.
Claims (9)
1. A variable speed indexing device, characterized in that: the rotary disk can rotate around the axis of the rotary disk, and a linear guide rail extending along the radial direction of the rotary disk is arranged on the rotary disk; the first motor is used for driving the rotating disc to rotate; the circular guide rail can rotate around the axis of the circular guide rail, and the axis of the circular guide rail is parallel to the axis of the rotating disc at intervals; a cylindrical cam coaxially arranged with the circular guide rail, the outer circumferential surface of which is formed with a track groove; the rotary adsorption mechanisms comprise a rotary frame, an indexing shaft and a negative pressure adsorption block, a first sliding block matched with the circular guide rail and a second sliding block matched with the linear guide rail in a sliding manner are arranged on the rotary frame, the second sliding block is connected with the rotary frame through a torsion arm twisted around an axis, the indexing shaft is rotatably arranged on the rotary frame and extends along the radial direction of the cylindrical cam, a swing arm is arranged on the indexing shaft, a cam bearing matched with a track groove of the cylindrical cam is arranged on the swing arm, and the negative pressure adsorption block is fixedly arranged on the indexing shaft; the revolving frame can be driven by the rotating disk to do variable-speed rotating motion along the circular guide rail, and meanwhile, the swing arm is driven by the cylindrical cam track groove to swing so as to finally drive the negative pressure adsorption block to index.
2. A variable speed indexing device as claimed in claim 1, wherein: the rotary cover can rotate around the axis of the rotary cover and close the opening of the circular arc-shaped negative pressure chamber, the rotary cover, the circular arc-shaped negative pressure chamber and the circular guide rail are coaxially arranged, the negative pressure connecting pipes are circumferentially arranged on the rotary cover, the negative pressure connecting pipes opposite to the circular arc-shaped negative pressure chamber on the rotary cover are communicated with the circular arc-shaped negative pressure chamber, the negative pressure connecting pipes at other positions are not communicated with the circular arc-shaped negative pressure chamber, the negative pressure connecting pipes are respectively communicated with corresponding negative pressure adsorption blocks through hoses, and the second motor is used for driving the rotary cover to rotate.
3. A variable speed indexing device as claimed in claim 2, wherein: still include frame, back shaft, pivot and bearing structure, the back shaft is fixed to be set up in the frame, and the pivot rotatable setting is in the frame and with back shaft parallel interval arrangement, bearing structure is supported jointly by back shaft and pivot and is set up, circular guide rail rotatable setting is on bearing structure, the cylinder cam is fixed to be set up on bearing structure.
4. A variable speed indexing device according to claim 3, wherein: the support structure comprises two support plates which are arranged at intervals in parallel, and the two support plates are coaxially arranged with the cylindrical cam and are respectively connected with two end faces of the cylindrical cam.
5. A variable speed indexing device as claimed in claim 4, wherein: the support structure further comprises a guide rail mounting ring for mounting the circular guide rail, and the guide rail mounting ring is rotatably arranged on the support disc through a bearing.
6. A variable speed indexing device as claimed in claim 5, wherein: the two circular guide rails are rotatably arranged on the two supporting plates through guide rail mounting rings respectively, and the two first sliding blocks are arranged on the revolving frame.
7. A variable speed indexing device as claimed in claim 5, wherein: the revolving frame is provided with a connecting rod in friction contact with the guide rail mounting ring.
8. A variable speed indexing device according to any one of claims 1 to 4, wherein: the cylindrical cam is of a hollow structure.
9. A variable speed indexing device according to any one of claims 1 to 4, wherein: the indexing shaft is provided with a hollow structure communicated with the negative pressure adsorption block, the side wall of the indexing shaft is provided with a communication hole communicated with the hollow structure, the indexing shaft is rotatably arranged on the revolving frame through a shaft sleeve, and the shaft sleeve is provided with a negative pressure interface communicated with the communication hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910299558.7A CN109895178B (en) | 2019-04-15 | 2019-04-15 | Speed-changing and indexing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910299558.7A CN109895178B (en) | 2019-04-15 | 2019-04-15 | Speed-changing and indexing device |
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| Publication Number | Publication Date |
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| CN109895178A CN109895178A (en) | 2019-06-18 |
| CN109895178B true CN109895178B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910299558.7A Active CN109895178B (en) | 2019-04-15 | 2019-04-15 | Speed-changing and indexing device |
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| CN (1) | CN109895178B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4108030A (en) * | 1977-09-07 | 1978-08-22 | Peter Eckrich And Sons, Inc. | Slice ejector for slicing machines |
| CN200988244Y (en) * | 2006-12-01 | 2007-12-12 | 上海亚华印刷机械有限公司 | Front aligning paper device for automatic mould cutter |
| CN103640050A (en) * | 2013-12-02 | 2014-03-19 | 东莞市骏兴机械科技有限公司 | Paper receiving machine for paper cutting machine |
| CN104002328A (en) * | 2014-05-15 | 2014-08-27 | 晋江海纳机械有限公司 | Slitting transposition variable speed conveying device and method |
| CN106541618A (en) * | 2016-11-02 | 2017-03-29 | 荆门众意包装有限公司 | A kind of complex cement woven bag Scissoring device |
| CN106826953A (en) * | 2016-12-27 | 2017-06-13 | 重庆皖渝纸制品有限公司 | Paper board processing equipment |
| CN208262985U (en) * | 2018-04-20 | 2018-12-21 | 安庆市恒昌机械制造有限责任公司 | A kind of transfering part of flaky material |
| CN210189985U (en) * | 2019-04-15 | 2020-03-27 | 晋江海纳机械有限公司 | Variable speed transposition device |
-
2019
- 2019-04-15 CN CN201910299558.7A patent/CN109895178B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4108030A (en) * | 1977-09-07 | 1978-08-22 | Peter Eckrich And Sons, Inc. | Slice ejector for slicing machines |
| CN200988244Y (en) * | 2006-12-01 | 2007-12-12 | 上海亚华印刷机械有限公司 | Front aligning paper device for automatic mould cutter |
| CN103640050A (en) * | 2013-12-02 | 2014-03-19 | 东莞市骏兴机械科技有限公司 | Paper receiving machine for paper cutting machine |
| CN104002328A (en) * | 2014-05-15 | 2014-08-27 | 晋江海纳机械有限公司 | Slitting transposition variable speed conveying device and method |
| CN106541618A (en) * | 2016-11-02 | 2017-03-29 | 荆门众意包装有限公司 | A kind of complex cement woven bag Scissoring device |
| CN106826953A (en) * | 2016-12-27 | 2017-06-13 | 重庆皖渝纸制品有限公司 | Paper board processing equipment |
| CN208262985U (en) * | 2018-04-20 | 2018-12-21 | 安庆市恒昌机械制造有限责任公司 | A kind of transfering part of flaky material |
| CN210189985U (en) * | 2019-04-15 | 2020-03-27 | 晋江海纳机械有限公司 | Variable speed transposition device |
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| CN109895178A (en) | 2019-06-18 |
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