CN113120275A - Cap screwing mechanism and control method thereof - Google Patents
Cap screwing mechanism and control method thereof Download PDFInfo
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- CN113120275A CN113120275A CN201911395105.0A CN201911395105A CN113120275A CN 113120275 A CN113120275 A CN 113120275A CN 201911395105 A CN201911395105 A CN 201911395105A CN 113120275 A CN113120275 A CN 113120275A
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- platform
- clamping
- cover
- container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B7/00—Closing containers or receptacles after filling
- B65B7/02—Closing containers or receptacles deformed by, or taking-up shape, of, contents, e.g. bags, sacks
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- Mechanical Engineering (AREA)
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Abstract
The invention belongs to filling equipment, and provides a cover screwing mechanism and a control method thereof, aiming at solving the problem that automatic cover screwing equipment in the prior art cannot be suitable for screwing a cover of a soft bag packaging container. The cap screwing mechanism comprises a holding clamp, a guide rod, a first platform, a second platform, a rotating motor, a connecting shaft rod and a rotating lifting rod; the rotary block through the bottom surface of the rotary lifting rod is matched with a groove on the surface of a container cover to be screwed, the rotary lifting rod penetrates through the first platform to rotate, penetrates through the second platform to rotate and can also lift together with the second platform under the driving of the lifting cylinder, the guide rod guides the axial motion of the second platform, the clamping cylinder drives the clamping clamp to open and close, and the screwing cover base is used for fixing the container to be screwed. The control method finishes the screwing and unscrewing work of the cover through the connection and the matching of all parts of the cover screwing mechanism and the time sequence and air pressure control, and judges whether the rotating block is matched with the groove on the surface of the cover or not and whether the cover screwing action is finished or not according to the detection of the air cylinder and the torque of the rotating motor.
Description
Technical Field
The invention belongs to filling equipment, and particularly relates to a cap screwing mechanism and a control method thereof.
Background
In the industries of daily chemicals, food, pharmacy and the like, the capping is an essential process, but the manual capping is not only low in efficiency, but also different in manual capping force of operators, so that the bottle caps are screwed with different tightening force, and in addition, the manual hand damage of the operators caused by the capping is large, so that the automatic capping machine gradually replaces the manual capping. The automatic cap screwing equipment in the market at present is mainly used for screwing or uncapping hard packaging containers such as bottle bodies or barrel bodies and the like, and cannot be suitable for soft bag packaging containers.
Disclosure of Invention
The invention mainly aims to solve the technical problem that automatic cover screwing equipment in the prior art cannot be suitable for screwing a cover of a soft bag packaging container, and provides a cover screwing mechanism and a control method thereof.
In order to achieve the purpose, the invention provides the following technical scheme:
a cap screwing mechanism is characterized by comprising a holding clamp, a guide rod, a first platform, a second platform, a rotating motor, a connecting shaft rod and a rotating lifting rod which are sequentially connected;
the connecting shaft rod is connected with the output end of the rotating motor, a sliding groove is formed in the connecting shaft rod along the axial direction, and one end of the rotating lifting rod is connected with the sliding groove in a matched mode; the other end of the rotary lifting rod sequentially penetrates through the first platform and the second platform, and a rotary block is arranged on the bottom surface of the rotary lifting rod; a first bushing is arranged between the rotary lifting rod and the first platform and is connected with the second platform through a bearing, and an outer ring of the bearing is connected with the second platform through a gland; the rotating motor is fixed on the first platform; the first platform is provided with a lifting cylinder, and the output end of the lifting cylinder is connected with the second platform;
one end of the guide rod is fixed on the first platform, and the other end of the guide rod penetrates through the second platform;
the second platform is fixedly provided with a plurality of clamping cylinders, and the output end of each clamping cylinder is connected with a clamping flap of each clamping; a connecting sleeve is sleeved on the lower part of the rotary lifting rod, which is positioned on the second platform, and one end of the connecting sleeve is fixed on the second platform; the clamping petals of the clamping device are respectively hinged with the connecting sleeve;
a rotary cover base is arranged under the rotary block.
Furthermore, the sliding groove is a through groove penetrating through the side wall of the connecting shaft rod, a sliding rod is fixed at one end of the rotary lifting rod along the direction vertical to the axis, and the sliding rod penetrates through the sliding groove.
Furthermore, the holding clamp limiting rods are fixed inside the holding clamp petals of the holding clamp.
Furthermore, the clamping clacks of the clamping hoops are respectively connected with the connecting sleeves through rotating pins, and return springs are connected between the clamping hoops of the clamping hoops and the connecting sleeves.
Further, the holding clamp is provided with two petals.
The control method of the cap screwing mechanism is characterized by comprising the following steps:
step 1, clamping and fixing a container to be screwed on a screwing base, and aligning a rotating block with a cover of the container to be screwed; a groove is formed in the surface of the cover of the container to be screwed, and the shape of the rotating block corresponds to that of the groove;
step 2, starting the clamping cylinder and the lifting cylinder; the clamping cylinder drives each clamping flap of the clamping to open; meanwhile, the lifting cylinder drives the second platform to descend, and further drives the rotary lifting rod to descend until the rotary block contacts the upper surface of the groove; starting the rotating motor to rotate reversely until the rotating block falls into the groove, and closing the rotating motor;
step 3, the clamping cylinder drives each clamping flap of the clamping clamp to close, the rotating motor is started to continue to rotate reversely, the rotating block drives the cover of the container to be capped to rotate, and the cover of the container to be capped is screwed out until the preset number of rotation turns is finished, and the rotating motor is closed;
and 4, driving the cover of the container to be screwed to be separated to a preset position by the lifting cylinder, and screwing out the cover of the container to be screwed.
The control method of the cap screwing mechanism is characterized by comprising the following steps:
step 1, clamping and fixing a container to be capped on a cap screwing base, and clamping a cap of the container to be capped by a holding clamp to a position right above the container to be capped; a groove is formed in the surface of the cover of the container to be screwed, and the shape of the rotating block corresponds to that of the groove;
step 2, starting a lifting cylinder to drive a second platform to descend, and further driving a rotary lifting rod to descend to be in contact with a container to be capped; starting the rotating motor to rotate forwards until the torque of the rotating motor reaches a preset value, and turning off the rotating motor;
and 3, the clamping cylinder drives each clamping flap of the clamping device to open, the lifting cylinder drives the second platform to ascend to separate from the cover of the container to be screwed, and the clamping cylinder drives each clamping flap of the clamping device to close to finish screwing.
Compared with the prior art, the invention has the beneficial effects that:
1. the cap screwing mechanism of the invention completes the cap screwing action by matching the rotating block on the bottom surface of the rotating lifting rod with the groove on the surface of the cap to be screwed and matching with the driving of the rotating motor. The rotary lifting rod penetrates through the first platform to rotate, penetrates through the second platform to be capable of rotating, and can also move up and down together with the second platform under the driving of the lifting cylinder, the guide rod guides the axial movement of the second platform, the clamping cylinder drives the clamping clamp to open and close, then the cover of the container to be screwed is clamped, and the screwing cover base is used for fixing the container to be screwed. The cap screwing mechanism is compact in structure, stable in operation and capable of efficiently and quickly completing cap screwing actions.
2. The rotary lifting rod of the cap screwing mechanism is matched with the sliding groove through the sliding rod, and can move smoothly in the sliding groove to finish the up-and-down movement of the rotary lifting rod.
3. The clamping limiting rods are arranged in the clamping petals of the clamping device, so that the closing degree of the clamping device can be limited, and the excessive force on the container cover to be screwed is avoided.
4. The reset spring of the invention is beneficial to slow reset when the holding clamp is closed, and avoids sudden clamping of the holding clamp on the cover of the container to be screwed.
5. The clamp is provided with two clamping flaps, the complicated control of the clamp cylinder caused by the excessive number of clamp flaps is avoided, the control flow is simplified, and if the number of clamp flaps is excessive, the clamp flaps are required to be controlled to realize the synchronism of the clamp during the clamping operation.
6. The control method of the cap screwing mechanism comprises two cap screwing-in and cap screwing-out control methods, the cap screwing-in and cap screwing-out work is completed through the connection and the matching of all parts of the cap screwing mechanism and the time sequence and air pressure control, whether the rotating block is matched with the groove on the surface of the cap or not and whether the cap screwing action is completed or not are judged according to the detection of the air cylinder and the torque of the rotating motor, and the method is convenient and accurate.
Drawings
FIG. 1 is a schematic perspective view of a cap screwing mechanism according to the present invention;
FIG. 2 is a schematic plan view of a cap screwing mechanism according to the present invention;
fig. 3 is a sectional view taken along a-a of fig. 2.
The device comprises a rotating motor 1, a connecting shaft rod 2, a rotating lifting rod 3, a first platform 4, a second platform 5, a supporting rod 6, a lifting cylinder 7, a sliding groove 8, a clamping cylinder 9, a clamping clamp 10, a connecting sleeve 11, a first bushing 12, a gland 13, a rotating block 14, a return spring 15, a rotating cover base 16, a guide rod 17, a sliding rod 18 and a clamping limiting rod 19.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings, and it is obvious that the described embodiments do not limit the present invention.
A cap screwing mechanism comprises a holding clamp 10, a guide rod 17, a first platform 4, a second platform 5, a rotating motor 1, a connecting shaft rod 2 and a rotating lifting rod 3 which are sequentially connected. The rotating electrical machine 1 is fixed to the first platform 4 by a support bar 6.
The connecting shaft rod 2 is connected with the output end of the rotating motor 1, and the rotating motor 1 drives the connecting shaft rod 2 to rotate; as an embodiment of the invention, the sliding groove 8 is a through groove penetrating through the side wall of the connecting shaft rod 2, a sliding rod 18 is fixed at one end of the rotary lifting rod 3 along the direction perpendicular to the axis, the sliding rod 18 penetrates through the sliding groove 8, and the sliding rod 18 plays a role in limiting and guiding the movement of the rotary lifting rod 3. The other end of the rotary lifting rod 3 sequentially penetrates through the first platform 4 and the second platform 5, a rotary block 14 is arranged on the bottom surface of the rotary lifting rod, the rotary block 14 is matched with the surface of a cover of a container to be screwed, a groove corresponding to the rotary block 14 can be formed in the surface of the cover, and when the cover is required to be screwed, the rotary block 14 falls into the groove; a first bushing 12 is arranged between the rotary lifting rod 3 and the first platform 4, the rotary lifting rod 3 can pass through the first platform 4 to keep rotating and can lift up and down, the rotary lifting rod 3 is connected with the second platform 5 through a bearing, and the outer ring of the bearing is connected with the second platform 5 through a gland 13, so that the rotary lifting rod 3 can pass through the second platform 5 to keep rotating and can synchronously move along the axial direction with the second platform; the rotating electrical machine 1 is fixed to the first platform 4; the lifting air cylinder 7 is installed on the first platform 4, the output end of the lifting air cylinder 7 is connected with the second platform 5, the second platform 15 is driven to move axially through the lifting air cylinder 7, and the lifting rod 3 is rotated to move synchronously.
One end of the guide rod 17 is fixed on the first platform 4, the other end of the guide rod 17 penetrates through the second platform 5, and the guide rod 17 plays a role in guiding the axial movement of the second platform 5, so that the movement of the second platform 5 can only be along a limited route of the guide rod 17.
A plurality of clamping cylinders 9 are fixed on the second platform 5, the output end of each clamping cylinder 9 is respectively connected with a clamping flap of a clamping 10, and the clamping cylinders 9 drive the clamping flaps of the clamping to open and close; a connecting sleeve 11 is sleeved on the lower part of the rotary lifting rod 3, which is positioned on the second platform 5, and one end of the connecting sleeve 11 is fixed on a clamping flap of a clamping device 10 of the second platform 5 and is respectively hinged with the connecting sleeve 11; a screw cap base 16 is arranged right below the rotating block 14, and the screw cap base 16 is used for fixing a container to be screw capped.
As an optimal scheme, the inner parts of the clasping petals of the clasping clamp 10 are respectively fixed with a clasping limiting rod 19, the clasping petals of the clasping clamp 10 are respectively connected with the connecting sleeve 11 through rotating pins, and a return spring 15 is further connected between the clasping petals of the clasping clamp 10 and the connecting sleeve 11. When the holding clamp 10 is closed, the holding clamp limiting rod 19 can limit the closed end position of the holding clamp 10, and the reset spring 15 can enable the holding clamp 10 to be opened and closed slowly to play a certain buffering role. In addition, the number of the petals of the clamp 10 is preferably two petals, or may be multiple petals, so that the synchronous operation of the two petals of the clamp 10 is easier to control.
When the cover on the container to be screwed with the cover is unscrewed by using the cover screwing mechanism, the following method is adopted:
step 1, clamping and fixing a container to be screwed on a screwing base 16, and aligning a rotating block 14 with a cover of the container to be screwed; a groove is formed in the surface of the cover of the container to be screwed, and the shape of the rotating block 14 corresponds to that of the groove;
step 2, starting the clamping cylinder 9 and the lifting cylinder 7; the clamping cylinder 9 drives the clamping flap of the clamping device 10 to open; meanwhile, the lifting cylinder 7 drives the second platform 5 to descend, and further drives the rotary lifting rod 3 to descend until the rotary block 14 contacts the upper surface of the groove; starting the rotating motor 1 to rotate reversely until the rotating block falls into the groove, and closing the rotating motor 1;
step 3, the clamping cylinder 9 drives the clamping flaps of the clamping device 10 to close, the rotating motor 1 is started to continue to rotate reversely, the rotating block 14 drives the cover of the container to be covered to rotate until the preset number of rotating turns is reached, namely the cover is screwed out, and the rotating motor 1 is closed;
and 4, driving the cover of the container to be screwed to be separated to a preset position by the lifting cylinder 7, and screwing out the cover of the container to be screwed.
When the cap screwing mechanism is used for screwing the cap to the container to be screwed, the following method is adopted:
step 1, clamping and fixing a container to be capped on a cap screwing base 16, and clamping a cap of the container to be capped by a holding clamp 10 to a position right above the container to be capped; a groove is formed in the surface of the cover of the container to be screwed, and the shape of the rotating block 14 corresponds to that of the groove;
step 2, starting a lifting cylinder 7 to drive a second platform 5 to descend, and further driving a rotary lifting rod 3 to descend until the rotary lifting rod is contacted with a container to be capped; starting the rotating motor 1 to rotate forwards until the torque of the rotating motor 1 reaches a preset value, and turning off the rotating motor 1;
and step 3, the clamping cylinder 9 drives each clamping flap of the clamping device 10 to open, the lifting cylinder 7 drives the second platform 5 to ascend to separate from the cover of the container to be screwed, and the clamping cylinder 9 drives each clamping flap of the clamping device 10 to close to finish screwing the cover.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A spiral cover mechanism which is characterized in that: comprises a holding clamp (10), a guide rod (17), a first platform (4), a second platform (5), a rotating motor (1), a connecting shaft rod (2) and a rotating lifting rod (3) which are connected in sequence;
the rotating motor (1) is fixed on the first platform (4);
the connecting shaft rod (2) is connected with the output end of the rotating motor (1), a sliding groove (8) is formed in the connecting shaft rod (2) along the axial direction, and one end of the rotating lifting rod (3) is connected with the sliding groove (8) in a matched mode; the other end of the rotary lifting rod (3) sequentially penetrates through the first platform (4) and the second platform (5), and a rotary block (14) is arranged on the bottom surface; a first bushing (12) is arranged between the rotary lifting rod (3) and the first platform (4), the first bushing is connected with the second platform (5) through a bearing, and the outer ring of the bearing is connected with the second platform (5) through a gland (13); a lifting cylinder (7) is mounted on the first platform (4), and the output end of the lifting cylinder (7) is connected with the second platform (5);
one end of the guide rod (17) is fixed on the first platform (4), and the other end of the guide rod penetrates through the second platform (5);
a plurality of clamping cylinders (9) are fixed on the second platform (5), and the output end of each clamping cylinder (9) is connected with each clamping flap of each clamping device (10); a connecting sleeve (11) is sleeved on the lower part of the rotary lifting rod (3) positioned on the second platform (5), and one end of the connecting sleeve (11) is fixed on the second platform (5); the clamping petals of the clamping device (10) are respectively hinged with the connecting sleeve (11);
a screw cap base (16) is arranged right below the rotating block (14).
2. A capping mechanism as claimed in claim 1, wherein: the sliding groove (8) is a through groove penetrating through the side wall of the connecting shaft rod (2), a sliding rod (18) is fixed at one end of the rotary lifting rod (3) along the direction vertical to the axis, and the sliding rod (18) penetrates through the sliding groove (8).
3. A capping mechanism as claimed in claim 1, wherein: and clamping limiting rods (19) are fixed inside the clamping petals of the clamping device (10).
4. A capping mechanism as claimed in claim 1, 2 or 3, wherein: the clamping petals of the clamping device (10) are respectively connected with the connecting sleeve (11) through rotating pins, and a return spring (15) is connected between the clamping petals of the clamping device (10) and the connecting sleeve (11).
5. A capping mechanism as claimed in claim 4, wherein: the holding clamp (10) is provided with two petals.
6. A method of controlling a capping mechanism according to any one of claims 1 to 5, comprising the steps of:
step 1, clamping and fixing a container to be screwed on a screwing base (16) to align a rotating block (14) with a cover of the container to be screwed; a groove is formed in the surface of the cover of the container to be screwed, and the shape of the rotating block (14) corresponds to that of the groove;
step 2, starting a clamping cylinder (9) and a lifting cylinder (7); the clamping cylinder (9) drives each clamping flap of the clamping device (10) to open; meanwhile, the lifting cylinder (7) drives the second platform (5) to descend, and further drives the rotary lifting rod (3) to descend until the rotary block (14) contacts the upper surface of the groove; starting the rotating motor (1) to rotate reversely until the rotating block (14) falls into the groove, and closing the rotating motor (1);
step 3, the clamping cylinder (9) drives each clamping flap of the clamping device (10) to close, the rotating motor (1) is started to continue to rotate reversely, the rotating block (14) drives the cover of the container to be capped to rotate, and the cover of the container to be capped is screwed out until the preset number of rotation turns is finished, and the rotating motor (1) is closed;
and 4, driving the cover of the container to be screwed to be separated to a preset position by the lifting cylinder (7) to finish screwing out of the cover of the container to be screwed.
7. A method of controlling a capping mechanism according to any one of claims 1 to 5, comprising the steps of:
step 1, clamping and fixing a container to be capped on a cap screwing base (16), and clamping a cap of the container to be capped by a holding clamp (10) to a position right above the container to be capped; a groove is formed in the surface of the cover of the container to be screwed, and the shape of the rotating block (14) corresponds to that of the groove;
step 2, starting a lifting cylinder (7) to drive a second platform (5) to descend, and further drive a rotary lifting rod (3) to descend to be in contact with a container to be capped; starting the rotating motor (1) to rotate forwards until the torque of the rotating motor (1) reaches a preset value, and closing the rotating motor (1);
and step 3, the clamping cylinder (9) drives each clamping flap of the clamping cylinder (10) to open, the lifting cylinder (7) drives the second platform (5) to ascend to separate from the cover of the container to be screwed, and the clamping cylinder (9) drives each clamping flap of the clamping cylinder (10) to close to finish screwing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395105.0A CN113120275B (en) | 2019-12-30 | 2019-12-30 | Cap screwing mechanism and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395105.0A CN113120275B (en) | 2019-12-30 | 2019-12-30 | Cap screwing mechanism and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113120275A true CN113120275A (en) | 2021-07-16 |
| CN113120275B CN113120275B (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911395105.0A Active CN113120275B (en) | 2019-12-30 | 2019-12-30 | Cap screwing mechanism and control method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN113120275B (en) |
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| CN101157433A (en) * | 2007-11-20 | 2008-04-09 | 金坛市中正包装机械科技有限公司 | Lifting gear of cap whirling machine |
| WO2011102099A1 (en) * | 2010-02-16 | 2011-08-25 | 株式会社ヤクルト本社 | Continuous rotary filling and packaging machine |
| CN203715225U (en) * | 2014-03-14 | 2014-07-16 | 浙江天煌科技实业有限公司 | Automatic cap screwing simulation device |
| CN204643784U (en) * | 2015-03-25 | 2015-09-16 | 苏州工业职业技术学院 | A kind of automatic cap-rotating device |
| CN105967124A (en) * | 2016-07-06 | 2016-09-28 | 湘潭林海机械制造有限公司 | Three-screw-cap beverage bottle cap screwing machine |
| CN205740290U (en) * | 2015-08-09 | 2016-11-30 | 浙江泰林生物技术股份有限公司 | Spiral cover frock |
| CN106517052A (en) * | 2015-09-15 | 2017-03-22 | 常州托尼帕克称重系统有限公司 | Automatic capping machine and working method thereof |
| CN206569995U (en) * | 2017-03-17 | 2017-10-20 | 苏州纽斓机械有限公司 | A kind of liqued plunger filler group cap rotating device |
| CN207483316U (en) * | 2017-11-28 | 2018-06-12 | 南丰县华夏五千年生态酒庄有限公司 | A kind of wine production, which is used, rotatably makes lid machine |
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2019
- 2019-12-30 CN CN201911395105.0A patent/CN113120275B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101157433A (en) * | 2007-11-20 | 2008-04-09 | 金坛市中正包装机械科技有限公司 | Lifting gear of cap whirling machine |
| WO2011102099A1 (en) * | 2010-02-16 | 2011-08-25 | 株式会社ヤクルト本社 | Continuous rotary filling and packaging machine |
| CN203715225U (en) * | 2014-03-14 | 2014-07-16 | 浙江天煌科技实业有限公司 | Automatic cap screwing simulation device |
| CN204643784U (en) * | 2015-03-25 | 2015-09-16 | 苏州工业职业技术学院 | A kind of automatic cap-rotating device |
| CN205740290U (en) * | 2015-08-09 | 2016-11-30 | 浙江泰林生物技术股份有限公司 | Spiral cover frock |
| CN106517052A (en) * | 2015-09-15 | 2017-03-22 | 常州托尼帕克称重系统有限公司 | Automatic capping machine and working method thereof |
| CN105967124A (en) * | 2016-07-06 | 2016-09-28 | 湘潭林海机械制造有限公司 | Three-screw-cap beverage bottle cap screwing machine |
| CN206569995U (en) * | 2017-03-17 | 2017-10-20 | 苏州纽斓机械有限公司 | A kind of liqued plunger filler group cap rotating device |
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| Publication number | Publication date |
|---|---|
| CN113120275B (en) | 2022-06-07 |
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