CN219911474U - Transmission balance structure of can making machine stamping equipment - Google Patents
Transmission balance structure of can making machine stamping equipment Download PDFInfo
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- CN219911474U CN219911474U CN202320973971.9U CN202320973971U CN219911474U CN 219911474 U CN219911474 U CN 219911474U CN 202320973971 U CN202320973971 U CN 202320973971U CN 219911474 U CN219911474 U CN 219911474U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 230000005484 gravity Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
A transmission balance structure of can making machine stamping equipment comprises a crankshaft, a main connecting rod and a rocker which are sequentially connected in a transmission way; the crankshaft comprises a front end shaft, a front crank arm, a shaft neck, a rear crank arm and a rear end shaft which are sequentially and fixedly connected from front to back; the front end shaft, the journal and the rear end shaft extend along the front-rear direction, the front end shaft and the rear end shaft are arranged on the same straight line, and the journal is eccentrically arranged with the front end shaft and the rear end shaft; the crankshaft is fixedly provided with a balancing weight which is arranged opposite to the journal; the front crank arm forms a first notch which is concave inwards at the front side of the corresponding shaft neck position, a first plane which is vertical to the front-back direction is formed on the first notch, the rear crank arm forms a second notch which is concave inwards at the rear side of the corresponding shaft neck position, and a second plane which is vertical to the front-back direction is formed on the second notch; the inside of the shaft neck is provided with a hollow channel extending back and forth, and the hollow channel penetrates through the shaft neck from the first plane to the second plane. The scheme can reduce the load of stamping equipment of the can making machine and improve the equipment performance.
Description
Technical Field
The utility model relates to the field of forging mechanical equipment, in particular to a transmission balance structure of can making machine stamping equipment.
Background
In the stamping equipment of the can making machine, as shown in fig. 1, the stamping equipment generally comprises a crankshaft 1, a main connecting rod 3, a rocker 4, a secondary connecting rod 5, a sliding block 6, a punch rod 7, a die bag 8, a bottom die 9 and other components, and in the working process, the rotary motion of the crankshaft 1 is converted into the linear motion of the punch rod 7 after being sequentially connected with the main connecting rod 3, the rocker 4, the secondary connecting rod 5 and the sliding block 6, the cup body to be processed is sleeved at the end part of the punch rod 7, the linear motion of the punch rod 7 enables the cup body to complete stretching and thinning actions in the die bag 8, so that the can body with the required height and wall thickness is obtained, and finally, the can body is moved to the bottom die 9 through the punch rod 7, and the bottom shape is extruded and formed through the bottom die 9.
Because of the special structural form of the crankshaft, in order to balance the centrifugal force and moment generated by the crankshaft during the rotation, a balance structure is required to be designed for the crankshaft, so that the crankshaft runs stably, the bearing bush load is reduced, and the equipment running is not influenced; the existing crankshaft balance structure has larger mass, so that the inertia of the whole transmission system is large, and a large load is formed on equipment during operation, so that the performance of the equipment is affected.
In view of the foregoing, it is desirable to provide a transmission balance structure for a can bodymaker stamping device that reduces the inertia of the transmission system, reduces the load on the device, and improves the performance of the device.
Disclosure of Invention
The utility model aims to provide a transmission balance structure of can making machine stamping equipment.
The technical scheme adopted by the utility model is as follows: a transmission balance structure of can making machine stamping equipment comprises a crankshaft, a main connecting rod and a rocker which are sequentially connected in a transmission way;
the crankshaft comprises a front end shaft, a front crank arm, a shaft neck, a rear crank arm and a rear end shaft which are sequentially and fixedly connected from front to back;
the front end shaft, the journal and the rear end shaft extend along the front-rear direction, the front end shaft and the rear end shaft are arranged on the same straight line, and the journal is eccentrically arranged with the front end shaft and the rear end shaft;
the crankshaft is fixedly provided with a balancing weight which is arranged opposite to the shaft neck;
the front crank arm forms a first notch which is concave inwards at the front side corresponding to the shaft neck position, a first plane which is vertical to the front-back direction is formed on the first notch, the rear crank arm forms a second notch which is concave inwards at the rear side corresponding to the shaft neck position, and a second plane which is vertical to the front-back direction is formed on the second notch; the first notch and the second notch are symmetrical in the front-rear direction;
the inside of the shaft neck is provided with a hollow channel extending back and forth, and the hollow channel penetrates through the shaft neck from the first plane to the second plane.
According to a further technical scheme, two balancing weights are arranged and are respectively fixed on the front crank arm and the rear crank arm.
According to a further technical scheme, the outer contour of the balancing weight is an arc taking the front end shaft and the rear end shaft as circle centers.
According to a further technical scheme, the balancing weight is connected with the crankshaft through screws.
According to a further technical scheme, the volume of the hollow channel accounts for 20-30% of the volume of the shaft neck.
According to a further technical scheme, the front-rear thickness of the first notch is 40-50% of the front-rear thickness of the front crank arm, and the front-rear thickness of the second notch is 40-50% of the front-rear thickness of the rear crank arm.
The utility model has the beneficial effects that: the transmission balance structure is characterized in that a first notch and a second notch are respectively formed in a front crank arm and a rear crank arm of a crankshaft, and a hollow channel penetrating through a shaft neck is formed at the positions of the two notches, so that the quality of the crankshaft is reduced in two directions of forming the notch and forming the hollow channel; under the condition, the eccentric degree of the crankshaft mass is reduced, so that the mass of the balancing weight can be synchronously reduced, the mass of the whole transmission balance structure is greatly reduced, the system inertia is reduced, the system balance is realized on the premise of ensuring the strength of the crankshaft, and the technical effects of reducing the load of stamping equipment of a can making machine and improving the performance of the equipment are finally realized; through implementation of the scheme, in actual operation of the can making machine stamping equipment, the speed of the can making machine can be increased under the condition of the existing brake system, and the requirement of equipment brake response time is met.
Drawings
FIG. 1 is a diagram of the overall construction of a can bodymaker stamping apparatus;
FIG. 2 is a front view of an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of an embodiment of the present utility model;
FIG. 4 is a top view of an embodiment of the present utility model;
FIG. 5 is a perspective view of a crankshaft in an embodiment of the present utility model;
FIG. 6 is a schematic diagram of a crankshaft in an embodiment of the present utility model;
fig. 7 is a cross-sectional view of a crankshaft in an embodiment of the present utility model.
In the above figures: 1. a crankshaft; 11. a front end shaft; 12. a front bell crank arm; 121. a first notch; 122. a first plane; 13. a journal; 131. a hollow passage; 14. a rear bell crank arm; 141. a second notch; 142. a second plane; 15. a rear end shaft; 2. balancing weight; 3. a main connecting rod; 4. a rocker; 5. a secondary connecting rod; 6. a slide block; 7. a plunger; 8. a mould bag; 9. and (5) bottom die.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings and examples:
the present utility model will be described in detail with reference to the drawings, wherein modifications and variations are possible in light of the teachings of the present utility model, without departing from the spirit and scope of the present utility model, as will be apparent to those of skill in the art upon understanding the embodiments of the present utility model.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present disclosure. Singular forms such as "a," "an," "the," and "the" are intended to include the plural forms as well, as used herein.
The terms "first," "second," and the like, as used herein, do not denote a particular order or sequence, nor are they intended to be limiting, but rather are merely used to distinguish one element or operation from another in the same technical term.
As used herein, "connected" or "positioned" may refer to two or more components or devices in physical contact with each other, or indirectly, or in operation or action with each other.
As used herein, the terms "comprising," "including," "having," and the like are intended to be open-ended terms, meaning including, but not limited to.
The term (terms) as used herein generally has the ordinary meaning of each term as used in this field, in this disclosure, and in the special context, unless otherwise noted. Certain terms used to describe the disclosure are discussed below, or elsewhere in this specification, to provide additional guidance to those skilled in the art in light of the description of the disclosure.
The terms "front", "rear", "upper", "lower", "left", "right" and the like used herein are directional terms, and are merely used to describe positional relationships among the structures in the present application, and are not intended to limit the scope of the present application and the specific direction in actual implementation.
As shown in the embodiment of fig. 2 to 7, a transmission balance structure of a can making machine stamping device is provided, which comprises a crankshaft 1, a main connecting rod 3 and a rocker 4 which are sequentially connected in a transmission manner, wherein the crankshaft 1 is driven to rotate by an external driving mechanism during working, and then the main connecting rod 3 and the rocker 4 are sequentially driven to move.
The crankshaft 1 comprises a front end shaft 11, a front crank arm 12, a journal 13, a rear crank arm 14 and a rear end shaft 15 which are fixedly connected in sequence from front to back; the front end shaft 11, the journal 13, and the rear end shaft 15 all extend in the front-rear direction; the front end shaft 11 and the rear end shaft 15 are arranged on the same straight line, and the straight line of the front end shaft 11 and the rear end shaft 15 is used as a rotating shaft when the crankshaft 1 rotates; the journal 13 is eccentrically arranged with the front end shaft 11 and the rear end shaft 15, so that when the crankshaft 1 rotates, the journal 13 rotates around the rotating shaft, and the crankshaft 1 is movably connected with the main connecting rod 3 at the position of the journal 13, thereby driving the main connecting rod 3 to move through the journal 13.
The crankshaft 1 is fixedly provided with a balancing weight 2 which is arranged opposite to the shaft neck 13, and the balancing weight 2 is arranged on one side of the crankshaft 1 opposite to the shaft neck 13, so that the gravity center of the crankshaft 1 falls on a rotating shaft, and the balance of the system during rotation is ensured.
The front crank arm 12 forms a first notch 121 which is concave inwards at the front side corresponding to the position of the shaft neck 13, a first plane 122 which is vertical to the front-rear direction is formed on the first notch 121, the rear crank arm 14 forms a second notch 141 which is concave inwards at the rear side corresponding to the position of the shaft neck 13, and a second plane 142 which is vertical to the front-rear direction is formed on the second notch 141; wherein the first notch 121 and the second notch 141 are symmetrical in the front-rear direction; the journal 13 is provided with a hollow passage 131 extending back and forth, and the hollow passage 131 penetrates the journal 13 from the first plane 122 to the second plane 142.
Therefore, the transmission balance structure is characterized in that a first notch 121 and a second notch 141 are respectively formed on the front crank arm 12 and the rear crank arm 14 of the crankshaft 1, and a hollow channel 131 penetrating through the shaft neck 13 is formed at the positions of the two notches, so that the quality of the crankshaft 1 is reduced in the directions of forming the notches and forming the hollow channel 131; in this case, the eccentric degree of the crankshaft 1 is reduced, so that the weight of the balancing weight 2 can be synchronously reduced, the weight of the whole transmission balance structure is greatly reduced, the inertia of the system is reduced, the balance of the system is realized on the premise of ensuring the strength of the crankshaft 1, and the technical effects of reducing the load of stamping equipment of a can making machine and improving the performance of the equipment are finally realized; through implementation of the scheme, in actual operation of the can making machine stamping equipment, the speed of the can making machine can be increased under the condition of the existing brake system, and the requirement of equipment brake response time is met.
By forming the notch, the quality of the crankshaft 1 can be reduced, and the first plane 122 and the second plane 142 are formed at the notch, so that the hollow channel 131 can be formed in the subsequent process.
In this embodiment, the balancing weight 2 is provided with two identical standards, and is respectively fixed on the front crank arm 12 and the rear crank arm 14, so as to cooperate with the journal 13 to keep the center of gravity stable.
In this embodiment, the outer contour of the counterweight 2 is an arc with the front end shaft 11 and the rear end shaft 15 as the center of circle, and the shape is suitable for keeping the center of gravity stable when the crankshaft 1 rotates.
In this embodiment, the balancing weight 2 is connected with the crankshaft 1 by a screw, so that the balancing weight 2 is convenient to detach in the connection mode, so that the equipment structure can be timely adjusted in actual production, and other fixed connection modes such as welding can be adopted in actual implementation.
In this embodiment, the volume of the hollow channel 131 accounts for 20% to 30% of the volume of the journal 13, and may be specifically 27.8%; the front-rear thickness of the first notch 121 is 40% to 50% of the front-rear thickness of the front crank arm 12, the front-rear thickness of the second notch 141 is 40% to 50% of the front-rear thickness of the rear crank arm 14, and the volume of the notch removed is 15% to 25% of the volume of the crank arm, specifically may be 18%; thereby, the mass of the crankshaft 1 can be reduced as much as possible while ensuring the structural strength of the crankshaft 1.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (6)
1. A transmission balance structure of can making machine stamping equipment is characterized in that:
comprises a crankshaft, a main connecting rod and a rocker which are connected in turn in a transmission way;
the crankshaft comprises a front end shaft, a front crank arm, a shaft neck, a rear crank arm and a rear end shaft which are sequentially and fixedly connected from front to back;
the front end shaft, the journal and the rear end shaft extend along the front-rear direction, the front end shaft and the rear end shaft are arranged on the same straight line, and the journal is eccentrically arranged with the front end shaft and the rear end shaft;
the crankshaft is fixedly provided with a balancing weight which is arranged opposite to the shaft neck;
the front crank arm forms a first notch which is concave inwards at the front side corresponding to the shaft neck position, a first plane which is vertical to the front-back direction is formed on the first notch, the rear crank arm forms a second notch which is concave inwards at the rear side corresponding to the shaft neck position, and a second plane which is vertical to the front-back direction is formed on the second notch; the first notch and the second notch are symmetrical in the front-rear direction;
the inside of the shaft neck is provided with a hollow channel extending back and forth, and the hollow channel penetrates through the shaft neck from the first plane to the second plane.
2. The transmission balance structure of a can bodymaker stamping apparatus of claim 1, wherein: the balancing weights are arranged in two and are respectively fixed on the front crank arm and the rear crank arm.
3. A transmission balance structure of a can bodymaker stamping apparatus as claimed in claim 2, wherein: the outer contour of the balancing weight is an arc taking the front end shaft and the rear end shaft as circle centers.
4. A transmission balance structure of a can bodymaker stamping apparatus as claimed in claim 2, wherein: the balancing weight is connected with the crankshaft through screws.
5. The transmission balance structure of a can bodymaker stamping apparatus of claim 1, wherein: the hollow passage has a volume of 20% to 30% of the journal volume.
6. The transmission balance structure of a can bodymaker stamping apparatus of claim 1, wherein: the front-back thickness of the first notch accounts for 40-50% of the front-back thickness of the front crank arm, and the front-back thickness of the second notch accounts for 40-50% of the front-back thickness of the rear crank arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320973971.9U CN219911474U (en) | 2023-04-26 | 2023-04-26 | Transmission balance structure of can making machine stamping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320973971.9U CN219911474U (en) | 2023-04-26 | 2023-04-26 | Transmission balance structure of can making machine stamping equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911474U true CN219911474U (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320973971.9U Active CN219911474U (en) | 2023-04-26 | 2023-04-26 | Transmission balance structure of can making machine stamping equipment |
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| Country | Link |
|---|---|
| CN (1) | CN219911474U (en) |
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- 2023-04-26 CN CN202320973971.9U patent/CN219911474U/en active Active
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