CN110757767A - Bottom die linkage mechanism for bottle blowing machine - Google Patents
Bottom die linkage mechanism for bottle blowing machine Download PDFInfo
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- CN110757767A CN110757767A CN201911064627.2A CN201911064627A CN110757767A CN 110757767 A CN110757767 A CN 110757767A CN 201911064627 A CN201911064627 A CN 201911064627A CN 110757767 A CN110757767 A CN 110757767A
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- swing arm
- die
- bearing
- fixed
- bottom die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/56—Opening, closing or clamping means
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention discloses a bottom die linkage mechanism for a bottle blowing machine, which comprises a die carrier support, an adjustable connecting rod, a sealing plate and a bottom die quick-change device, wherein a driving shaft is arranged below the left side of the die carrier support, a first swing arm is fixedly arranged below the driving shaft, a die carrier swing arm is fixedly arranged below the first swing arm, the bottom die quick-change device is arranged below the right side of the die carrier support, the bottom die support is arranged below the bottom die quick-change device, two ends of the adjustable connecting rod are fixed on joint bearing connecting shafts, a fixing shaft is arranged at the lower end of the second swing arm, a second bearing is arranged at the upper end of the second swing arm, and the second bearing is fixed through a second bearing connecting. According to the bottom die linkage mechanism for the bottle blowing machine, the bottom die support can smoothly slide up and down through the guiding motion of the second bearing along the small guide rail curved groove under the condition of high-speed operation, the opening and closing sensitivity of the die frame is improved, and the generated noise is obviously reduced.
Description
Technical Field
The invention relates to the technical field of rotary bottle blowing machines, in particular to a bottom die linkage mechanism for a bottle blowing machine.
Background
The mold of the rotary bottle blowing machine generally comprises a movable mold, a fixed mold and a bottom mold, and is respectively arranged on a movable mold frame, a fixed mold frame and a bottom mold support. The 'opening' and 'closing' of the fixed die frame and the movable die frame are realized by forward and reverse rotation of the driving shaft, and the power for forward and reverse rotation of the driving shaft is provided by swinging of the die frame swing arm along the die opening and closing guide rail curve. In the same way, the up-and-down movement of the bottom die support is realized by the up-and-down movement of the bearing on the bottom die support along the curve of the bottom die guide rail. In short, the movable mold and the fixed mold of the mold are opened and closed according to the change of the curve of the mold opening and closing guide rail, and the bottom mold of the mold is moved up and down by the curve of the bottom mold guide rail.
At present, the opening and closing mode of the inner die carrier mainly adopts a mechanical mode, namely: the movable mould frame and the fixed mould frame are driven by an opening and closing mould guide rail, the bottom mould support is driven by a bottom mould guide rail, and the mould locking mechanism is driven by an opening and closing lock guide rail. When the bottom die support works, the bottom die support bearing can always fit the curved motion of the bottom die guide rail due to the reverse acting force of the spring, and the motion process that the bottom die support descends (corresponding to the die carrier 'opening') and then ascends (corresponding to the die carrier 'closing') is completed. Although the mechanical driving structure has many advantages, the sensitivity of opening and closing the mold frame is limited. When the rotating speed of the single mold is increased to a certain value, the spring on the bottom mold support is difficult to overcome the rotational inertia of the mold base, so that the bottom mold support bearing cannot be attached to the bottom mold guide rail to move in a curve under the action of the rotational inertia of the bottom mold support, and the phenomenon of jumping and impacting between the bottom mold support bearing and the bottom mold guide rail is generated.
The phenomenon seriously restricts the improvement of the yield of the equipment and causes immeasurable influence on the update of the rotary bottle blowing machine.
Therefore, we propose a bottom die linkage mechanism for a bottle blowing machine so as to solve the problems mentioned above.
Disclosure of Invention
The invention aims to provide a bottom die linkage mechanism for a bottle blowing machine, which aims to solve the problem that when the rotating speed of a single die is increased to a certain value, a spring on a bottom die support is difficult to overcome the rotational inertia of a die carrier, so that a bottom die support bearing cannot be attached to a bottom die guide rail to move in a curve manner under the action of the rotational inertia of the bottom die support, and the phenomenon of jumping and impact between the bottom die support bearing and the bottom die guide rail is generated.
In order to achieve the purpose, the invention provides the following technical scheme: a bottom die linkage mechanism for a bottle blowing machine comprises a die carrier support, an adjustable connecting rod, a sealing plate and a bottom die quick-change device, wherein a driving shaft is installed below the left side of the die carrier support, a first swing arm is fixedly arranged below the driving shaft, a die carrier swing arm is fixedly installed below the first swing arm, the bottom die quick-change device is installed below the right side of the die carrier support, the bottom die support is arranged below the bottom die quick-change device, a small guide rail is installed obliquely below the bottom die support, the sealing plate is fixedly arranged at the bottom end of the small guide rail, a guide rail sliding block is installed on the rear side of the small guide rail, two ends of the adjustable connecting rod are fixed on joint bearing connecting shafts, the joint bearing connecting shafts are respectively fixed on the first swing arm and the second swing arm, a fixed shaft is installed at the lower end of the second swing arm and fixed shaft is, and the second bearing is fixed by a second bearing connecting shaft.
Preferably, one end of the first swing arm is fixed on the driving shaft, and the other end of the first swing arm is connected with the adjustable connecting rod through a joint bearing.
Preferably, the lower end of the second swing arm is connected with one end of the fixed shaft through a first bearing, the upper end of the second swing arm is provided with a joint bearing connecting shaft and a second bearing connecting shaft respectively, the other end of the second bearing connecting shaft is provided with a second bearing, and the other end of the fixed shaft is fixed on the die carrier support.
Preferably, joint bearings are fixed at two ends of the adjustable connecting rod respectively, the joint bearings at the two ends are connected with the first swing arm and the joint bearing connecting shaft respectively, one end of the adjustable connecting rod is in left-handed rotation, and the other end of the adjustable connecting rod is in right-handed rotation.
Preferably, one end of the guide rail sliding block is fixed on the die frame support, and the other end of the guide rail sliding block is connected with the bottom die support.
Preferably, the small guide rail is provided with a curve groove, only one end of the curve groove is in an open state, and a sealing plate is arranged at the opening of the curve groove.
Preferably, the small guide rail drives the bottom die support to move up and down under the action of the second bearing, and the second bearing and the second swing arm move synchronously.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention is characterized in that a new bottom die support mechanism is designed, a first swing arm is arranged on a driving shaft which can drive the die carrier to be opened and closed, and the first swing arm and the die carrier swing arm move in the same direction; a small guide rail and a second swing arm which can move along a fixed direction are arranged on the bottom die support, and the first swing arm and the second swing arm are connected through an adjustable connecting rod. When the die set swing arm swings along the die opening and closing curve, the driving shaft drives the movable die set and the fixed die set to open towards two sides firstly and then return to a closed state; meanwhile, the first swing arm swings synchronously and drives the second swing arm to move backwards and forwards; through the interaction of the second swing arm and the small guide rail, the bottom die support firstly slides downwards to realize the die opening action and then slides upwards to realize the die closing action;
(2) under the condition of high-speed operation of the bottom die support, the bottom die support smoothly slides up and down through the guiding movement of the second bearing along the small guide rail curved groove, the opening and closing sensitivity of the die frame is improved, and the generated noise is obviously reduced.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a structural diagram illustrating a closed mold state of a conventional structure according to the present invention;
FIG. 4 is a structural diagram illustrating a mold closed state according to the present invention;
FIG. 5 is a schematic view of the mold-open state structure of the present invention;
FIG. 6 is a structural diagram illustrating a mold closing state of the present invention during operation;
FIG. 7 is a structural diagram of the mold opening state of the present invention during operation.
In the figure: 1. a mold frame support; 2. a drive shaft; 3. a first swing arm; 4. a die carrier swing arm; 5. an adjustable connecting rod; 6. a second swing arm; 7. a fixed shaft; 8. a first bearing; 9. a small guide rail; 10. a bottom die support; 11. a second bearing connecting shaft; 12. a second bearing; 13. a joint bearing connecting shaft; 14. closing the plate; 15. a bottom die quick-changing device; 16. a guide rail slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a bottom die linkage mechanism for a bottle blowing machine comprises a die carrier support 1, a driving shaft 2, a first swing arm 3, a die carrier swing arm 4, an adjustable connecting rod 5, a second swing arm 6, a fixed shaft 7, a first bearing 8, a small guide rail 9, a bottom die support 10, a second bearing connecting shaft 11, a second bearing 12, a joint bearing connecting shaft 13, a sealing plate 14, a bottom die quick-change device 15 and a guide rail slider 16, wherein the driving shaft 2 is installed below the left side of the die carrier support 1, the first swing arm 3 is fixedly arranged below the driving shaft 2, the die carrier swing arm 4 is fixedly installed below the first swing arm 3, the bottom die quick-change device 15 is installed below the right side of the die carrier support 1, the bottom die support 10 is arranged below the bottom die quick-change device 15, the small guide rail 9 is installed below the bottom die support 10 in an inclined manner, the sealing plate 14 is fixedly arranged at the bottom end of, the both ends of adjustable connecting rod 5 are fixed on joint bearing connecting axle 13, and joint bearing connecting axle 13 fixes respectively on first swing arm 3 and second swing arm 6, and fixed axle 7 is installed to 6 lower extremes of second swing arm, and fixed axle 7 fixes on first bearing 8, and second bearing 12 is installed to the upper end of second swing arm 6, and second bearing 12 is fixed through second bearing connecting axle 11.
In this embodiment, one end of the first swing arm 3 is fixed on the driving shaft 2, and the other end is connected with the adjustable connecting rod 5 through a joint bearing.
The lower end of the second swing arm 6 is connected with one end of the fixed shaft 7 through the first bearing 8, the upper end of the second swing arm 6 is provided with a joint bearing connecting shaft 13 and a second bearing connecting shaft 11 respectively, the other end of the second bearing connecting shaft 11 is provided with a second bearing 12, and the other end of the fixed shaft 7 is fixed on the die carrier support 1, so that in the using process, the second swing arm 6 can rotate freely by taking the axis of the fixed shaft 7 as the circle center under the condition that other constraints do not exist.
The two ends of the adjustable connecting rod 5 are respectively fixed with joint bearings, the joint bearings at the two ends are respectively connected with the first swing arm 3 and the joint bearing connecting shaft 13, one end thread of the adjustable connecting rod 5 is left-handed, and one end thread of the adjustable connecting rod is right-handed, so that the die carrier swing arm 4 (synchronous with the first swing arm 3) and the second swing arm 6 can synchronously move in the same direction, and the distance is adjusted when the die carrier swing arm and the first swing arm are assembled conveniently.
One end of the guide rail sliding block 16 is fixed on the die carrier support 1, and the other end is connected with the bottom die support 10, so that the bottom die support 10 can slide up and down without other constraints.
The small guide rail 9 is provided with a curve groove, only one end of the curve groove is in an open state, a sealing plate 14 is arranged at the opening of the curve groove, the second bearing 12 rolls into the curve groove from the opening when the small guide rail is used, and meanwhile, the sealing plate 14 is used for sealing the curve groove after the second bearing 12 is installed.
The small guide rail 9 drives the bottom die support 10 to move up and down under the action of the second bearing 12. And the second bearing 12 and the second swing arm 6 move synchronously, so that the forward and backward swing of the die frame swing arm 4 and the up and down sliding of the bottom die support 10 are synchronous.
The working principle of the embodiment is as follows: when the sleeper connecting position fine adjustment auxiliary device for railway track laying is used, the 'opening' and 'closing' of the die carrier of the rotary bottle blowing machine are firstly known to correspond to two working processes of bottle taking and blank sending of a manipulator, when the swing arm 4 of the die carrier swings along the front half section of a die opening and closing curve, the die is opened, blown PET bottles are 'exposed' and are quickly taken out by the bottle taking manipulator and sent to the next station; when the swing of the die frame swing arm 4 along the middle section of the die opening and closing curve is about to end, the blank conveying manipulator can put the heated PET bottle blank into the die and enter a high-pressure air bottle blowing stage after the die is closed.
The mould frame is 'open': and when the PET bottle is blown, and the die set swing arm 4 moves to the starting end of the die opening and closing curve, the movable die set and the fixed die set are opened outwards along with the operation of equipment, and the second swing arm 6 is pulled by the adjustable connecting rod 5 to swing backwards by taking the axis of the fixed shaft 7 as the center of a circle, so that the second bearing 12 performs climbing motion along the curve groove of the small guide rail 9. And because the center distance between the second bearing 12 and the first bearing 8 is constant, the bottom die support 10 moves downwards. When the swing arm 4 of the die carrier moves to the end point of the die opening curve of the opening and closing die, the outward opening movement of the movable die carrier and the fixed die carrier is stopped, the downward movement of the bottom die support 10 is synchronously stopped, and the die carrier is located at the lowest position to complete the 'opening' action of the die carrier.
The mould frame is 'closed': the bottle is taken out and put in, and when the die carrier swing arm 4 moves to the starting end of the mold closing curve of the mold opening curve, the movable die carrier and the fixed die carrier simultaneously move towards the middle along with the operation of the equipment, the second swing arm 6 is pushed by the adjustable connecting rod 5 to swing forwards by taking the axis of the fixed shaft 7 as the center of a circle, so that the second bearing 12 moves downwards along the curve groove of the small guide rail 9. And because the center distance between the second bearing 12 and the first bearing 8 is constant, the bottom die support 10 moves upwards. When the swing arm 4 of the die set moves to the end point of the die opening curve, the movable die set and the fixed die set are closed together, the position of the bottom die support 10 is at the highest point and is locked under the action of the die locking mechanism, and the die set is closed, so that a series of work is completed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a die block link gear for bottle blowing machine, includes die carrier support (1), adjustable connecting rod (5), shrouding (14) and die block quick change device (15), its characterized in that: the die carrier is characterized in that a driving shaft (2) is installed below the left side of a die carrier support (1), a first swing arm (3) is fixedly arranged below the driving shaft (2), a die carrier swing arm (4) is fixedly installed below the first swing arm (3), a die carrier quick-change device (15) is installed below the right side of the die carrier support (1), a die carrier support (10) is arranged below the die carrier quick-change device (15), a small guide rail (9) is installed below the die carrier support (10) in an inclined mode, a sealing plate (14) is fixedly arranged at the bottom end of the small guide rail (9), a guide rail sliding block (16) is installed at the rear side of the small guide rail (9), two ends of an adjustable connecting rod (5) are fixed on joint bearing connecting shafts (13), the joint bearing connecting shafts (13) are respectively fixed on the first swing arm (3) and a second swing arm (6), and a fixing shaft (7) is installed, and the fixed shaft (7) is fixed on the first bearing (8), the upper end of the second swing arm (6) is provided with a second bearing (12), and the second bearing (12) is fixed through a second bearing connecting shaft (11).
2. The bottom die linkage mechanism for the bottle blowing machine according to claim 1, characterized in that: one end of the first swing arm (3) is fixed on the driving shaft (2), and the other end of the first swing arm is connected with the adjustable connecting rod (5) through a joint bearing.
3. The bottom die linkage mechanism for the bottle blowing machine according to claim 1, characterized in that: the lower end of the second swing arm (6) is connected with one end of the fixed shaft (7) through a first bearing (8), the upper end of the second swing arm (6) is provided with a joint bearing connecting shaft (13) and a second bearing connecting shaft (11) respectively, the other end of the second bearing connecting shaft (11) is provided with a second bearing (12), and the other end of the fixed shaft (7) is fixed on the die carrier support (1).
4. The bottom die linkage mechanism for the bottle blowing machine according to claim 1, characterized in that: and joint bearings are respectively fixed at two ends of the adjustable connecting rod (5), the joint bearings at the two ends are respectively connected with the first swing arm (3) and the joint bearing connecting shaft (13), and one end of the adjustable connecting rod (5) is in left-handed thread and the other end of the adjustable connecting rod (5) is in right-handed thread.
5. The bottom die linkage mechanism for the bottle blowing machine according to claim 1, characterized in that: one end of the guide rail sliding block (16) is fixed on the die carrier support (1), and the other end of the guide rail sliding block is connected with the bottom die support (10).
6. The bottom die linkage mechanism for the bottle blowing machine according to claim 1, characterized in that: the small guide rail (9) is provided with a curve groove, only one end of the curve groove is in an open state, and a sealing plate (14) is arranged at the opening of the curve groove.
7. The bottom die linkage mechanism for the bottle blowing machine according to claim 1, characterized in that: the small guide rail (9) can drive the bottom die support (10) to move up and down under the action of the second bearing (12), and the second bearing (12) and the second swing arm (6) move synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911064627.2A CN110757767A (en) | 2019-11-04 | 2019-11-04 | Bottom die linkage mechanism for bottle blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911064627.2A CN110757767A (en) | 2019-11-04 | 2019-11-04 | Bottom die linkage mechanism for bottle blowing machine |
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| Publication Number | Publication Date |
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| CN110757767A true CN110757767A (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911064627.2A Pending CN110757767A (en) | 2019-11-04 | 2019-11-04 | Bottom die linkage mechanism for bottle blowing machine |
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| CN (1) | CN110757767A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559067A (en) * | 2020-06-30 | 2020-08-21 | 江苏中饮机械有限公司 | Die block coordinated type bottle blowing machine module |
| CN111590866A (en) * | 2020-06-30 | 2020-08-28 | 江苏中饮机械有限公司 | Linkage type bottle blowing machine module with buffer function |
| CN112536897A (en) * | 2020-12-02 | 2021-03-23 | 上海建工建材科技集团股份有限公司 | Top mold push-pull type dismounting device and dismounting method for double-T-beam pouring mold |
| CN113370507A (en) * | 2021-05-31 | 2021-09-10 | 江苏新美星包装机械股份有限公司 | Bottom die lifting mechanism for single-die-opening bottle blowing machine |
| CN113370504A (en) * | 2021-05-31 | 2021-09-10 | 江苏新美星包装机械股份有限公司 | Bottom die lifting mechanism for single-die opening of bottle blowing machine |
| CN113370505A (en) * | 2021-05-31 | 2021-09-10 | 江苏新美星包装机械股份有限公司 | Bottom die lifting mechanism of single-die-opening bottle blowing machine |
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| CN105880235A (en) * | 2015-11-25 | 2016-08-24 | 江苏中饮机械有限公司 | Bottle opening sugar spot washing machine |
| CN110744804A (en) * | 2019-10-14 | 2020-02-04 | 江苏中饮机械有限公司 | Bottom die linkage device for bottle blowing machine |
| CN210851278U (en) * | 2019-10-14 | 2020-06-26 | 江苏中饮机械有限公司 | Bottom die linkage device for bottle blowing machine |
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2019
- 2019-11-04 CN CN201911064627.2A patent/CN110757767A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880235A (en) * | 2015-11-25 | 2016-08-24 | 江苏中饮机械有限公司 | Bottle opening sugar spot washing machine |
| CN110744804A (en) * | 2019-10-14 | 2020-02-04 | 江苏中饮机械有限公司 | Bottom die linkage device for bottle blowing machine |
| CN210851278U (en) * | 2019-10-14 | 2020-06-26 | 江苏中饮机械有限公司 | Bottom die linkage device for bottle blowing machine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559067A (en) * | 2020-06-30 | 2020-08-21 | 江苏中饮机械有限公司 | Die block coordinated type bottle blowing machine module |
| CN111590866A (en) * | 2020-06-30 | 2020-08-28 | 江苏中饮机械有限公司 | Linkage type bottle blowing machine module with buffer function |
| CN112536897A (en) * | 2020-12-02 | 2021-03-23 | 上海建工建材科技集团股份有限公司 | Top mold push-pull type dismounting device and dismounting method for double-T-beam pouring mold |
| CN112536897B (en) * | 2020-12-02 | 2022-08-05 | 上海建工建材科技集团股份有限公司 | Top mold push-pull type dismounting device and dismounting method for double-T-beam pouring mold |
| CN113370507A (en) * | 2021-05-31 | 2021-09-10 | 江苏新美星包装机械股份有限公司 | Bottom die lifting mechanism for single-die-opening bottle blowing machine |
| CN113370504A (en) * | 2021-05-31 | 2021-09-10 | 江苏新美星包装机械股份有限公司 | Bottom die lifting mechanism for single-die opening of bottle blowing machine |
| CN113370505A (en) * | 2021-05-31 | 2021-09-10 | 江苏新美星包装机械股份有限公司 | Bottom die lifting mechanism of single-die-opening bottle blowing machine |
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Application publication date: 20200207 |
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