CN217348579U - Punching device and packaging machine - Google Patents
Punching device and packaging machine Download PDFInfo
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- CN217348579U CN217348579U CN202220709759.7U CN202220709759U CN217348579U CN 217348579 U CN217348579 U CN 217348579U CN 202220709759 U CN202220709759 U CN 202220709759U CN 217348579 U CN217348579 U CN 217348579U
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- punching
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- blanking
- slide block
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Abstract
The utility model discloses a punching device, which comprises a top plate, a bottom plate, a guide shaft, a punching upper die and a guide shaft, wherein the punching upper die is arranged on the top plate; the lifting slide block can move up and down along the guide shaft; the punching lower die is arranged on the lifting slide block; the crankshaft mechanism comprises an input shaft, an output shaft and a connecting rod, wherein the input shaft can be connected with a power source; the input shaft rotates under the drive of a power source to drive the output shaft and the connecting rod to rotate relatively, and the lifting slide block moves along with the connecting rod and moves up and down along the guide shaft to be close to or far away from the upper die cutting die. The utility model also discloses a packagine machine. The utility model relatively fixes the upper punching die, increases the rigidity, enables the lower punching die to move horizontally to be close to or far away from the upper punching die, has enough space for the accommodating cavity for the conveying mechanism to enter and exit, and is flexible to use; when the punching lower die runs to the top end of the stroke, the punching force is increased, and punching blanking is guaranteed to be completed; the whole structure is simple and the operation is reliable.
Description
Technical Field
The utility model belongs to the technical field of packagine machine, especially, relate to a die-cut device and packagine machine.
Background
The existing blister packaging machine has the blanking cutting modes of transverse cutting, longitudinal cutting, splicing and integral punching and blanking. The periphery of a product produced by a blanking and cutting mode of transverse cutting and longitudinal cutting splicing is sharp, and the product is generally used for soft packing materials. The whole punching blanking can produce products with four arc corners, and the products are generally used for hard packing materials. The existing structure of the integral punching and blanking adopts a cam mechanism or a link mechanism to realize the large-range lifting of the lower die, adopts an eccentric wheel to drive the upper die to realize the small-stroke punching form, cannot reserve enough space to install other mechanisms, and has the defects of moving states of the punching lower die and the punching upper die, and insufficient punching stability.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a compact structure, it is die-cut reliable, long service life, die-cut device and packagine machine of the nimble adjustable of installation space.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a die-cut device, includes the roof, the bottom plate that sets up relatively with the roof, and locate the guiding axle between roof and the bottom plate, still includes:
the punching upper die is arranged on the top plate;
the lifting slide block can move up and down along the guide shaft;
the punching lower die is arranged on the lifting slide block;
the crankshaft mechanism comprises an input shaft, an output shaft and a connecting rod, wherein the input shaft can be connected with a power source, the connecting rod is rotationally connected with the output shaft, the connecting rod is rotationally connected with the lifting slide block, and the central lines of the input shaft and the output shaft are parallel;
the input shaft rotates under the drive of a power source to drive the output shaft and the connecting rod to rotate relatively, and the lifting slide block moves along with the connecting rod and moves up and down along the guide shaft to be close to or far away from the punching upper die.
The utility model has the advantages that the punching upper die is relatively fixed, the rigidity is increased, the service life is long, the punching lower die is horizontally moved to be close to or far away from the punching upper die, enough space is provided for the arrangement of the accommodating cavity, and the use is more flexible; an eccentric wheel mechanism is not needed to drive the punching upper die to move horizontally on the top plate, and a blanking mechanism can be installed when enough space is left so as to knock down or take out a punched product; the whole structure is simple and compact, and the operation is reliable.
Further, the input shaft is connected with a driving shaft of a power source through a coupling; alternatively, the input shaft is provided integrally with a drive shaft of the power source.
Furthermore, the number of the crankshaft mechanisms is two, and the crankshaft mechanisms are arranged on two sides below the lifting slide block. The up-and-down translation of the lifting slide block is more stable.
Further, the punching lower die is provided with a punching position, and the axis of the connecting rod, the axis of the input shaft and the axis of the output shaft are close to the vertical direction in the punching position.
Furthermore, when the distance between the lower punching die and the punching position is 1-4mm, the punching force is F Punching machine 1, when the distance between the punching lower die and the punching position is more than 4mm, the punching force is F Punching machine 2, then F Punching machine 1 is F Punching machine 2 times or more than 2 times. The structural characteristics of the crankshaft mechanism enable the punching lower die to form force increase when the punching lower die moves to the stroke close to the top end, punching force is increased, and punching blanking is guaranteed to be completed.
Furthermore, an accommodating cavity for the conveying mechanism to enter and exit is formed between the lifting slide block and the bottom plate. The conveying mechanism is convenient for outputting products, the volume of the accommodating cavity is relatively large, and the conveying mechanism is convenient to set.
Furthermore, an internal guide shaft is arranged between the upper die and the lower die, and the internal guide shaft is parallel to the guide shaft. The internal guide shaft can ensure the matching precision of the upper die and the lower die and ensure the up-and-down translation of the lower die.
Furthermore, be equipped with blanking mechanism on the roof, it includes the blanking pole that can stretch out to die-cut lower mould downwards at least, and is used for driving blanking pole elevating system of blanking pole. The blanking mechanism is arranged to ensure that the product is knocked down and taken out after punching is finished, and the influence on the subsequent flow caused by the stay of the product is avoided.
The utility model also discloses a packagine machine, which comprises a frame, and die-cut device, the frame is equipped with the slide rail, this slide rail is movably located to the bottom plate.
The utility model has the advantages that: the punching upper die is relatively fixed, the rigidity is increased, the service life is long, the punching lower die is moved to be close to or far away from the punching upper die in a translation manner, and an enough space is provided for the accommodating cavity for the conveying mechanism to enter and exit, so that the use is more flexible; when the punching lower die runs to the stroke close to the top end, the punching force is increased, and punching blanking is guaranteed to be completed; an eccentric wheel mechanism is not needed to drive the punching upper die to move horizontally on the top plate, and a blanking mechanism can be installed when enough space is left so as to knock down or take out a punched product; the whole structure is simple and compact, and the operation is reliable.
Drawings
Fig. 1 is a front view of the present invention, and the lower die is lifted halfway.
Fig. 2 is a front view of the present invention, and the die-cut lower die is lifted to the top.
Fig. 3 is a side view of the present invention, when the lower die is lifted to the top.
Fig. 4 shows the force increasing analysis of the crankshaft mechanism when the die-cut lower die of the present invention is lifted to the die-cut position.
Fig. 5 is a force increasing analysis of the crankshaft mechanism located at one of the positions during the lifting of the die-cutting lower die according to the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
As shown in fig. 1 to 3, a punching apparatus includes a top plate 1, a bottom plate 2 disposed below the top plate 1, a guide shaft 3 axially disposed between the top plate 1 and the bottom plate 2, an upper punching die 41 connected to the top plate 1, a lifting slider 5 movable up and down along the guide shaft 3, a lower punching die 42 disposed on the lifting slider 5, and a crank mechanism 7.
The crank mechanism 7 comprises an input shaft 71 which can be connected with the power source 8, an output shaft 72, and a connecting rod 73 which is rotatably connected with the output shaft 72, wherein the connecting rod 73 is rotatably connected with the lifting slide block 5, the central line of the output shaft 72 is parallel to the central line of the input shaft 71, and the central line of the connecting rod 73 is perpendicular to the central line of the output shaft 72.
The input shaft 71 and the output shaft 72 are connected by a coupling 75, and the input shaft 71 and the output shaft 72 are vertically disposed at opposite sides of the coupling 75, respectively. The input shaft 71 is driven by the power source 8 to rotate, so that the output shaft 72 and the connecting rod 73 can be driven to rotate relatively, the upper end of the connecting rod 73 is rotatably connected with the lifting slider 5, the lower end of the connecting rod 73 is rotatably connected with the output shaft 72, and when the input shaft 71 rotates, the connecting rod 73 rotates in the direction shown by the arrow in fig. 1, so that the included angle between the connecting rod 73 and the connecting piece 75 is changed. The lifting slider 5 moves along with the connecting rod 73, and particularly moves up and down along the guide shaft 3 under the limitation of the guide shaft 3 so as to be close to or far away from the punching upper die 41, and the position of the punching upper die 41 is relatively fixed. In order to ensure smooth translation of the lifting slider 5, a guide bearing 31 is provided between the lifting slider 5 and the guide shaft 3.
In the present embodiment, the input shaft 71 may be connected to a drive shaft 81 of the power source 8 through a coupling 74; alternatively, the input shaft 71 is provided integrally with the drive shaft 81 of the power source 8. The power source 8 is a motor, and is connected with the input shaft 71 through a speed reducer 82, namely the whole punching device is driven by only one motor, and the structure is simplified.
In order to realize the balanced lifting of the punching lower die 42, the number of the crankshaft mechanisms 7 is two, and the crankshaft mechanisms are arranged on two sides below the lifting slide block 5 and are symmetrically arranged.
In order to facilitate the output of the punched products, an accommodating cavity 91 is provided between the lifting slide 5 and the base plate 2, which can be accessed by the conveying mechanism 9 for transporting the products.
In order to ensure the stable matching of the upper punching die 41 and the lower punching die 42 and the matching precision of the two, an internal guide shaft 61 is arranged between the upper punching die 41 and the lower punching die 42, one end of the internal guide shaft 61 is connected with the lower punching die 42, the other end of the internal guide shaft 61 axially penetrates through the upper punching die 41 and the top plate 1, and the internal guide shaft 61 is parallel to the guide shaft 3.
In order to ensure the smooth falling of the punched product, a blanking mechanism 11 is provided on the top plate 1, which at least includes a blanking rod 111 that can be extended downward to the punching lower die 42, and a blanking rod lifting mechanism 112 for driving the blanking rod 111 to be vertically extended or retracted.
The lower die cutting die 42 has a die cutting position in which the axis of the link 73, the axis of the input shaft 71, and the axis of the output shaft 72 are close to the vertical direction, and when the lower die cutting die 42 and the upper die cutting die 41 are fitted to complete die cutting, the axis of the link 73, the axis of the input shaft 71, and the axis of the output shaft 72 are in the vertical direction.
As shown in fig. 4, the radius of the crank mechanism 7 is R, which is 80mm in the embodiment, the length of the connecting rod 73 is L, which is 300mm in the embodiment, and the driving force of the crank mechanism is defined as F Electric machine The link 73 is stressed by F Connecting rod The punching force of the lower die 42 is F Punching machine . When the lower die cutting die 42 is 1 to 4mm (more precisely, from the vertex) from the die cutting position, that is, when k is 1 to 4mm in fig. 4, specifically, when k is 2mm, the lower die cutting die 42 enters the die cutting position, and at this time F Connecting rod /F Electric machine ＝L 2 /L 1 Punching force F Punching machine 1＝F Connecting rod ×cost1≈3.6F Electrical machine 。
As shown in fig. 5, when the lower punching die 42 is located more than 4mm from the punching position (more precisely, from the apex) at a position during the ascent of the lower punching die 42, that is, when S is greater than 4mm in fig. 5, F is present Connecting rod /F Electric machine ＝L 3 /L 1 Punching ofForce F Punching machine 2＝F Connecting rod ×cost2≈F Electric power A machine is provided.
Therefore, the lifting force of the lower punching die 42 is approximately equal to the driving force of the motor, and the punching force generated when the lower punching die 42 is lifted to the top to perform punching work is about 3.6 times of the driving force of the motor, generally more than 2 times, so that the motor has an obvious amplification effect, a better punching effect and a higher punching speed.
A packaging machine comprises a machine frame 6 and the punching device, wherein a sliding rail 610 is arranged on the machine frame 6, so that a bottom plate 2 can move relative to the sliding rail 610, and the position can be adjusted conveniently, and the punching device and a packaged product can be aligned. The input shaft 71 is connected to the frame 6 via a bearing block 711.
The above detailed description is provided to illustrate the present invention, and not to limit the present invention, and any modifications and changes made by the present invention are within the spirit and scope of the claims.
Claims (9)
1. The utility model provides a die-cut device, includes roof (1), bottom plate (2) that set up relatively with roof (1), and locates guiding axle (3) between roof (1) and bottom plate (2), its characterized in that still includes:
a punching upper die (41) provided on the top plate (1);
the lifting slide block (5) can move up and down along the guide shaft (3);
a punching lower die (42) arranged on the lifting slide block (5);
the crankshaft mechanism (7) comprises an input shaft (71) which can be connected with a power source (8), an output shaft (72) and a connecting rod (73) which is rotationally connected with the output shaft (72), the connecting rod (73) is rotationally connected with the lifting slide block (5), and the central lines of the input shaft (71) and the output shaft (72) are parallel;
the input shaft (71) is driven by the power source (8) to rotate so as to drive the output shaft (72) and the connecting rod (73) to rotate relatively, and the lifting slide block (5) moves along with the connecting rod (73) and moves up and down along the guide shaft (3) so as to be close to or far away from the punching upper die (41).
2. The blanking device of claim 1, wherein: the input shaft (71) is connected with a driving shaft (81) of a power source (8) through a coupling (74); alternatively, the input shaft (71) is provided integrally with a drive shaft (81) of the power source (8).
3. The blanking unit of claim 1, wherein: the number of the crankshaft mechanisms (7) is two, and the crankshaft mechanisms are arranged on two sides below the lifting slide block (5).
4. The blanking device of claim 1, wherein: the lower die cutting die (42) has a die cutting position at which the axis of the link (73), the axis of the input shaft (71), and the axis of the output shaft (72) are close to the vertical direction.
5. The blanking unit of claim 4, wherein: when the distance between the punching lower die (42) and the punching position is 1-4mm, the punching force is F Punching machine 1, when the distance between the punching lower die (42) and the punching position is more than 4mm, the punching force is F Punching machine 2, then F Punching machine 1 is F Punching machine 2 times or more than 2 times.
6. The blanking unit of claim 5, wherein: an accommodating cavity (91) for the conveying mechanism (9) to enter and exit is arranged between the lifting slide block (5) and the bottom plate (2).
7. The blanking device of claim 1, wherein: an inner guide shaft (61) is arranged between the punching upper die (41) and the punching lower die (42), and the inner guide shaft (61) is parallel to the guide shaft (3).
8. The blanking device of claim 1, wherein: and the top plate (1) is provided with a blanking mechanism (11) which at least comprises a blanking rod (111) which can extend downwards to the punching lower die (42) and a blanking rod lifting mechanism (112) used for driving the blanking rod (111).
9. A packaging machine, characterized in that: comprising a frame (6) and a blanking device according to any one of claims 1-8, said frame (6) being provided with a slide rail (610), said base plate (2) being movably arranged on said slide rail (610).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220709759.7U CN217348579U (en) | 2022-03-28 | 2022-03-28 | Punching device and packaging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220709759.7U CN217348579U (en) | 2022-03-28 | 2022-03-28 | Punching device and packaging machine |
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| Publication Number | Publication Date |
|---|---|
| CN217348579U true CN217348579U (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220709759.7U Active CN217348579U (en) | 2022-03-28 | 2022-03-28 | Punching device and packaging machine |
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| Country | Link |
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| CN (1) | CN217348579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116175937A (en) * | 2022-11-18 | 2023-05-30 | 江苏新美星包装机械股份有限公司 | Bottom die lifting mechanism |
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2022
- 2022-03-28 CN CN202220709759.7U patent/CN217348579U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116175937A (en) * | 2022-11-18 | 2023-05-30 | 江苏新美星包装机械股份有限公司 | Bottom die lifting mechanism |
| CN116175937B (en) * | 2022-11-18 | 2023-12-15 | 江苏新美星包装机械股份有限公司 | Bottom die lifting mechanism |
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