CN210453001U - Plastic bag perforating device - Google Patents
Plastic bag perforating device Download PDFInfo
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- CN210453001U CN210453001U CN201921033277.9U CN201921033277U CN210453001U CN 210453001 U CN210453001 U CN 210453001U CN 201921033277 U CN201921033277 U CN 201921033277U CN 210453001 U CN210453001 U CN 210453001U
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- plate
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- punching
- guide rod
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Abstract
The utility model provides a plastic bag perforating device, wherein a mounting plate is provided with a mounting hole, and a support plate is provided with a blanking hole; a punching knife is arranged in the mounting hole, the top end of the punching knife is provided with a top edge, a first guide hole is arranged on the top edge, a guide rod is penetrated through the first guide hole, and the lower end of the guide rod is fixed on the mounting plate; a first elastic reset piece is arranged between the top edge and the mounting plate; the upper end of the guide rod is provided with a pressure plate, a second guide hole is formed in the pressure plate, the guide rod penetrates above the pressure plate through the second guide hole, and the top end of the guide rod is provided with an end edge which is abutted against the pressure plate; a second elastic reset piece is arranged between the pressing plate and the top edge; the pressing plate is provided with a connector; the punching knife is internally provided with a central hole, a central column is arranged in the punching knife, and the upper end of the punching knife extends out of the upper part of the top edge and leaves a working gap with the pressing plate; an upper baffle and a lower baffle are arranged on the inner wall of the central hole; the central column is provided with a shoulder plate which is abutted against the upper baffle plate; and a third elastic reset piece is arranged between the shoulder plate and the lower baffle plate. The utility model discloses the center post moves down after punching the completion, will cut the waste material and release downwards, avoids cutting the waste material and upwards promotes along with the sword that punches, influences the operation of punching.
Description
Technical Field
The utility model relates to a plastic bag production facility technical field specifically is a plastic bag perforating device.
Background
Plastic bags are essential articles for people in daily life and are often used for containing other articles. It is widely used because of its advantages of low cost, extremely light weight, large capacity, and easy storage.
In the production process of plastic bags, a punching machine is often required to punch the plastic bags. Cutting waste materials can be generated in the punching process, and ideally, the cutting waste materials can fall into a waste material box below to be collected; however, in actual production, because the plastic film is very thin and has too light weight, the plastic film is not easy to fall down by itself, and the plastic film is very easy to be lifted upwards along with the punching knife, so that the punching operation is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a plastic bag perforating device has solved the plastic bag perforating device during operation among the prior art, and the cutting waste material is upwards promoted, is influenced the problem of the operation of punching along with the sword of punching easily.
The technical scheme of the utility model is realized like this:
a plastic bag perforating device comprises an installing plate and a supporting plate which are arranged up and down; the mounting plate is provided with a through mounting hole, and the supporting plate is provided with a blanking hole opposite to the mounting hole;
a punching knife penetrates through the mounting hole, the cutting edge of the punching knife is arranged downwards and is positioned below the mounting plate, the upper end of the punching knife extends upwards out of the mounting hole, and the top end of the punching knife is provided with a top edge extending outwards in the radial direction;
a plurality of penetrating first guide holes are formed in the top edge, guide rods penetrate through the first guide holes, and the lower ends of the guide rods are fixed on the mounting plate; a first elastic reset piece is arranged between the top edge and the mounting plate;
the upper end of the guide rod extends upwards out of the first guide hole; a pressing plate is arranged at the upper end of the guide rod, a plurality of second guide holes are formed in the pressing plate, the guide rod penetrates above the pressing plate through the second guide holes, an end edge is arranged at the top end of the guide rod, and the lower surface of the end edge abuts against the upper side of the pressing plate; a second elastic reset piece is arranged between the pressing plate and the top edge; the pressing plate is provided with a connector for connecting with a lifting control device;
a central hole which is vertically penetrated is formed in the punching knife, a central column is arranged in the central hole in a penetrating manner, the lower end of the central column is positioned in the central hole, the upper end of the central column upwards extends out of the upper part of the top edge, and a working gap is reserved between the top end of the central column and the pressing plate;
the upper end of the inner wall of the central hole is provided with an upper baffle protruding inwards along the radial direction, and the lower end of the inner wall of the central hole is provided with a lower baffle protruding inwards along the radial direction; the lower end of the central column extends to the lower part of the lower baffle plate; the central column is provided with a shoulder plate which protrudes outwards along the radial direction, and the upper surface of the shoulder plate is propped against the lower end of the upper baffle plate; and a third elastic resetting piece is arranged between the shoulder plate and the lower baffle.
Further, the first elastic resetting piece, the second elastic resetting piece and the third elastic resetting piece are all springs;
the first elastic resetting piece and the second elastic resetting piece are sleeved on the guide rod;
the third elastic resetting piece is sleeved on the central column.
Further, the lower extreme of punching the sword is provided with the limiting plate, the limiting plate is located the top of the cutting edge of punching the sword, the upper surface of limiting plate supports and leans on the lower extreme at the mounting panel.
Furthermore, the upper baffle, the lower baffle, the shoulder plate and the limiting plate are all annular plates;
the upper baffle plate, the lower baffle plate and the shoulder plate encircle the center column for a circle; the limiting plate surrounds the punching knife for a circle.
Furthermore, the number of the guide rods is two, and the guide rods are respectively arranged on two sides of the central column.
The utility model has the advantages that:
the utility model has simple structure and convenient use; the center post is arranged in the punching knife, the center post moves downwards after punching is completed, cutting waste can be pushed downwards, and the cutting waste is prevented from being upwards lifted along with the punching knife to influence punching operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Wherein:
1. mounting a plate; 2. a support plate; 3. mounting holes; 4. a blanking hole; 5. a punching knife; 6. a blade; 7. a top edge; 8. a first guide hole; 9. a guide bar; 10. a first elastic reset member; 11. pressing a plate; 12. a second guide hole; 13. an end edge; 14. a second elastic reset piece; 15. a connector; 16. a central bore; 17. a central column; 18. a working gap; 19. an upper baffle plate; 20. a lower baffle plate; 21. a shoulder plate; 22. a third elastic reset member; 23. and a limiting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings 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 work belong to the protection scope of the present invention.
As shown in fig. 1, the plastic bag punching apparatus of the present embodiment includes an installation plate 1 and a support plate 2 disposed up and down; the mounting plate 1 is provided with a through mounting hole 3, and the support plate 2 is provided with a blanking hole 4 opposite to the mounting hole 3.
Wear to be equipped with in the mounting hole 3 and punch sword 5, the cutting edge 6 of punching sword 5 sets up and is located down the below of mounting panel 1, the upper end of punching sword 5 upwards stretches out mounting hole 3, the top of punching sword 5 is provided with along the top edge 7 of radially outside extension. A plurality of penetrating first guide holes 8 are formed in the top edge 7, guide rods 9 penetrate through the first guide holes 8, and the lower ends of the guide rods 9 are fixed on the mounting plate 1; a first elastic reset piece 10 is arranged between the top edge 7 and the mounting plate 1.
The upper end of the guide rod 9 extends upwards out of the first guide hole 8; a pressing plate 11 is arranged at the upper end of the guide rod 9, a plurality of second guide holes 12 are formed in the pressing plate 11, the guide rod 9 penetrates above the pressing plate 11 through the second guide holes 12, an end edge 13 is arranged at the top end of the guide rod 9, and the lower surface of the end edge 13 abuts against the upper side of the pressing plate 11; a second elastic resetting piece 14 is arranged between the pressing plate 11 and the top edge 7; the pressing plate 11 is provided with a connector 15 used for being connected with a lifting control device, and the lifting control device can drive the pressing plate 11 to move up and down in a reciprocating mode.
A central hole 16 penetrating up and down is formed in the punching knife 5, a central column 17 penetrates through the central hole 16, the lower end of the central column 17 is located in the central hole 16, the upper end of the central column 17 extends upwards to the upper side of the top edge 7, and a working gap 18 is reserved between the top end of the central column 17 and the pressing plate 11.
An upper baffle plate 19 which protrudes inwards along the radial direction is arranged at the upper end of the inner wall of the central hole 16, and a lower baffle plate 20 which protrudes inwards along the radial direction is arranged at the lower end of the inner wall of the central hole 16; the lower end of the central column 17 extends to the lower part of the lower baffle plate 20; a shoulder plate 21 which protrudes outwards in the radial direction is arranged on the central column 17, and the upper surface of the shoulder plate 21 is abutted against the lower end of the upper baffle plate 19; a third elastic restoring member 22 is disposed between the shoulder plate 21 and the lower baffle plate 20.
In this embodiment, the first elastic restoring member 10, the second elastic restoring member 14 and the third elastic restoring member 22 are all springs; the first elastic resetting piece 10 and the second elastic resetting piece 14 are sleeved on the guide rod 9; the third elastic restoring member 22 is sleeved on the central column 17.
In this embodiment, the lower extreme of punching knife 5 is provided with limiting plate 23, limiting plate 23 is located the top of the cutting edge 6 of punching knife 5, the upper surface of limiting plate 23 supports and leans on the lower extreme that installs panel 1. The restriction plate 23 can restrict the displacement of the upward movement of the punching blade 5.
In this embodiment, the upper baffle 19, the lower baffle 20, the shoulder plate 21 and the limiting plate 23 are all annular plates; the upper baffle plate 19, the lower baffle plate 20 and the shoulder plate 21 encircle the center column 17 for one circle; the limiting plate 23 surrounds the punching knife 5 for a circle.
In this embodiment, the number of the guide rods 9 is two, and the guide rods are respectively arranged on two sides of the central column 17; the connecting line between the two guide rods 9 just passes through the axis of the central column 17.
When the lifting device is used in the embodiment, the pressing plate 11 is connected with the lifting control device through the connecting head 15; the plastic bag to be punched passes through the gap between the mounting plate 1 and the supporting plate 2, and the plastic bag is abutted against the supporting plate 2; the lifting control device drives the pressing plate 11 to press downwards, the first elastic resetting piece 10 and the second elastic resetting piece 14 are simultaneously stressed and compressed, the punching knife 5 moves downwards along with the top edge 7, the cutting edge 6 of the punching knife 5 moves downwards to punch the plastic bag, and the cutting edge 6 of the punching knife 5 enters the blanking hole 4; when the deformation of the second elastic reset piece 14 reaches a certain degree, the pressing plate 11 abuts against the central rod, when the first elastic reset piece 10 reaches the maximum deformation degree, the punching cutter 5 does not move downwards, the second elastic reset piece 14 continues to deform, the pressing plate 11 presses the central rod 17 downwards, at the moment, the third elastic reset piece 22 is compressed, the central rod 17 moves downwards to extend out of the lower end of the punching cutter 5, and the cut waste materials are pushed downwards to fall from the blanking hole 4; then the lifting control device resets, the first elastic resetting piece 10, the second elastic resetting piece 14 and the third elastic resetting piece 22 reset, the punching knife 5 and the central column 17 reset, and the next punching operation can be carried out. This embodiment sets up center post 17 in punching sword 5 is inside, and center post 17 moves down after punching the completion, can push out the cutting waste material downwards, avoids the cutting waste material to upwards promote along with punching sword 5, influences the operation of punching.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A plastic bag perforating device is characterized by comprising an installing plate and a supporting plate which are arranged up and down; the mounting plate is provided with a through mounting hole, and the supporting plate is provided with a blanking hole opposite to the mounting hole;
a punching knife penetrates through the mounting hole, the cutting edge of the punching knife is arranged downwards and is positioned below the mounting plate, the upper end of the punching knife extends upwards out of the mounting hole, and the top end of the punching knife is provided with a top edge extending outwards in the radial direction;
a plurality of penetrating first guide holes are formed in the top edge, guide rods penetrate through the first guide holes, and the lower ends of the guide rods are fixed on the mounting plate; a first elastic reset piece is arranged between the top edge and the mounting plate;
the upper end of the guide rod extends upwards out of the first guide hole; a pressing plate is arranged at the upper end of the guide rod, a plurality of second guide holes are formed in the pressing plate, the guide rod penetrates above the pressing plate through the second guide holes, an end edge is arranged at the top end of the guide rod, and the lower surface of the end edge abuts against the upper side of the pressing plate; a second elastic reset piece is arranged between the pressing plate and the top edge; the pressing plate is provided with a connector for connecting with a lifting control device;
a central hole which is vertically penetrated is formed in the punching knife, a central column is arranged in the central hole in a penetrating manner, the lower end of the central column is positioned in the central hole, the upper end of the central column upwards extends out of the upper part of the top edge, and a working gap is reserved between the top end of the central column and the pressing plate;
the upper end of the inner wall of the central hole is provided with an upper baffle protruding inwards along the radial direction, and the lower end of the inner wall of the central hole is provided with a lower baffle protruding inwards along the radial direction; the lower end of the central column extends to the lower part of the lower baffle plate; the central column is provided with a shoulder plate which protrudes outwards along the radial direction, and the upper surface of the shoulder plate is propped against the lower end of the upper baffle plate; and a third elastic resetting piece is arranged between the shoulder plate and the lower baffle.
2. The perforating device for plastic bags according to claim 1, wherein the first elastic restoring member, the second elastic restoring member and the third elastic restoring member are all springs;
the first elastic resetting piece and the second elastic resetting piece are sleeved on the guide rod;
the third elastic resetting piece is sleeved on the central column.
3. The plastic bag perforating device as claimed in claim 2, wherein a limiting plate is provided at a lower end of the perforating knife, the limiting plate is located above the cutting edge of the perforating knife, and an upper surface of the limiting plate abuts against a lower end of the mounting plate.
4. The perforating device for plastic bags according to claim 3, wherein the upper baffle, the lower baffle, the shoulder plate and the limiting plate are all annular plates;
the upper baffle plate, the lower baffle plate and the shoulder plate encircle the center column for a circle; the limiting plate surrounds the punching knife for a circle.
5. The perforating device for plastic bags as claimed in claim 4, wherein two guide rods are provided on both sides of the center post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921033277.9U CN210453001U (en) | 2019-07-03 | 2019-07-03 | Plastic bag perforating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921033277.9U CN210453001U (en) | 2019-07-03 | 2019-07-03 | Plastic bag perforating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210453001U true CN210453001U (en) | 2020-05-05 |
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ID=70443872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921033277.9U Active CN210453001U (en) | 2019-07-03 | 2019-07-03 | Plastic bag perforating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210453001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622347A (en) * | 2020-12-17 | 2021-04-09 | 陈逸川 | Stringing hole tapping machine for handbag production and use method thereof |
-
2019
- 2019-07-03 CN CN201921033277.9U patent/CN210453001U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622347A (en) * | 2020-12-17 | 2021-04-09 | 陈逸川 | Stringing hole tapping machine for handbag production and use method thereof |
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