Punching device for plastic conduit cutter

Abstract

The utility model discloses a cutter through hole device for a plastic guide pipe, which comprises a punching die and is characterized in that the punching die is provided with a cutter through hole in the vertical direction, a cutter which vertically ascends and descends is arranged in the cutter through hole, the punching die is provided with a pipe penetrating hole in the horizontal direction, and the pipe penetrating hole is communicated with the cutter through hole. The side wall of the pipe penetrating hole and the cutter through hole are perpendicularly crossed and transitionally tangent, and the pipe penetrating hole is a special-shaped hole. The guide pipe punching die has the advantages that the special-shaped pipe penetrating holes are formed, the die can adapt to guide pipes with different pipe diameters when punching the guide pipes, the current situation that the die is frequently replaced in the punching process is reduced, and therefore the guide pipe punching die has better adaptability, dies of various models do not need to be prepared, and the production cost is reduced. Therefore, the production cost of an enterprise is reduced, and the working efficiency is also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is a kind of for plastic catheter cutter through hole device. BACKGROUND

[0002] Catheter is one of the common varieties of medical devices. It is made of medical plastic, with elasticity and soft plasticity. When making infusion tube or other medical equipment, there are often openings on the catheter sidewall, the catheter is inserted into the blood vessel of human body, and the drug liquid flows from the catheter to the opening into the blood vessel. Therefore, the catheter needs to be opened, and a mold needs to be used to punch the catheter.

[0003] The punch die of the prior art has a circular through hole for penetrating the catheter, so the inner diameter is fixed. If the catheter diameter error is greater than the mold hole diameter, the catheter cannot be penetrated. If the catheter diameter error is less than the mold hole diameter too much, the catheter cannot be cut, resulting in waste products and the need to replace the punch die. Therefore, during the punching process of the catheter, multiple types of punch dies need to be prepared, which reduces the efficiency of the catheter opening and increases the production cost of the enterprise. SUMMARY

[0004] The utility model aims at providing a plastic catheter cutter through hole device to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a plastic catheter cutter through hole device, comprising a punch die, characterized in that: the punch die is provided with a cutter through hole in the vertical direction, the cutter through hole is provided with a cutter vertically moving, the punch die is provided with a through hole for penetrating the catheter in the horizontal direction, the sidewall of the through hole for penetrating the catheter is tangent to the vertical intersection of the cutter through hole, and the through hole for penetrating the catheter is a special-shaped hole.

[0006] Preferably, the special-shaped hole includes a straight edge, a bottom edge, an inclined edge and a top edge, and the straight edge, the bottom edge, the inclined edge and the top edge form a right trapezoidal structure.

[0007] Preferably, a virtual circular catheter channel is formed between the straight edge, the bottom edge and the inclined edge, and the edges of the catheter channel are tangent to the straight edge, the bottom edge and the inclined edge respectively.

[0008] Preferably, the top edge, the straight edge and the inclined edge form a flash channel.

[0009] Preferably, the cutter through hole includes a guide hole and a cutter hole, and the cutter hole is arranged on both sides of the guide hole.

[0010] Preferably, the cutter has a handle and a blade, the blade is arranged on both sides of the handle, the handle is movably arranged in the guide hole, and the blade is movably arranged in the cutter hole.

[0011] Preferably, the number of the special-shaped holes is four in size.

[0012] Preferably, the punching die comprises an upper die and a lower die, a vertical die is arranged between the upper die and the lower die, a blanking opening is arranged between the upper die and the lower die, and the middle section of the cutter hole is communicated with the blanking opening.

[0013] Compared with the prior art, the utility model has the advantages that: the utility model discloses a special-shaped pipe penetrating hole, which can adapt to different pipe diameters of the guide pipe when the guide pipe is punched, and the frequent replacement of the die in the punching process is reduced, so that the utility model has better adaptability, and a plurality of types of dies need not be prepared, which reduces the waste rate, reduces the production cost of enterprises, and improves work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a structural schematic view of the punching die of the utility model;

[0016] Figure 3 It is a structural schematic view of the pipe penetrating hole of the utility model;

[0017] Figure 4 It is a sectional view of the pipe penetrating hole of the utility model.

[0018] In the drawing: 1, punching die; 11, upper die; 12, lower die; 13, vertical die; 14, blanking opening; 2, cutter through hole; 21, guide hole; 22, cutter hole; 3, cutter; 31, cutter handle; 32, cutter edge; 4, pipe penetrating hole; 41, straight edge; 42, bottom edge; 43, bevel edge; 44, top edge; 5, guide pipe passage; 6, overflow passage. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0020] Please refer to Figures 1 to 3The utility model provides a technical scheme: a kind of cutter through hole device for plastic catheter, including punching die 1, punching die 1 is equipped with vertical cutter through hole 2, cutter through hole 2 is equipped with vertical lifting cutter 3, punching die 1 is equipped with horizontal pipe penetrating hole 4, the side wall of the pipe penetrating hole 4 is tangential with the vertical intersection of the cutter through hole 2, one end of plastic catheter is inserted from pipe penetrating hole 4, and the part of the pipe body of plastic catheter will pass through cutter through hole 2, cutter 3 falls downward, and the pipe wall of plastic catheter is cut to a small mouth, and the cutter through hole work of plastic catheter is completed.

[0021] In a specific embodiment of the utility model, in order to make the application can be applied to plastic catheter of different pipe diameters, pipe penetrating hole 4 is profiled hole, the profiled hole includes straight edge 41, bottom edge 42, bevel 43 and top edge 44, and straight edge 41, bottom edge 42, bevel 43 and top edge 44 form right trapezoidal structure. Pipe penetrating hole 4 is four, and the size of four profiled holes 4 is different, that is, the circumference of each profiled hole 4 is set from small to large, so that pipe penetrating hole 4 can adapt to the hole cutting work of plastic catheter of different diameters.

[0022] Further, virtual circular catheter channel 5 is formed between straight edge 41, bottom edge 42 and bevel 43, and the edges of catheter channel 5 are tangent to straight edge 41, bottom edge 42 and bevel 43 respectively.

[0023] Further, top edge 44, straight edge 41 and bevel 43 form overflow channel 6, when the pipe diameter of plastic catheter is greater than the diameter of catheter channel 5, plastic catheter will be deformed by extrusion, and overflow into overflow channel 6, therefore, the profiled hole can punch cut plastic catheter with larger pipe diameter.

[0024] In a specific embodiment of the utility model, cutter through hole 2 includes guide hole 21 and cutter hole 22, and cutter hole 22 is arranged on both sides of guide hole 21.

[0025] In a specific embodiment of the utility model, cutter 3 includes cutter handle 31 and cutter blade 32, cutter blade 32 is arranged on both sides of cutter handle 31, cutter handle 31 is movably arranged in guide hole 21, guide hole 21 is quadrilateral long hole, and cutter handle 31 is arranged as quadrilateral long handle, so that cutter handle 31 does not rotate when moving up and down in guide hole 21, thereby making punching more accurate. Cutter blade 32 is movably arranged in cutter hole 22, and cutter blade 32 gradually thins from the side close to cutter handle 31 to the side away from cutter handle 31, so that cutter blade 32 is sharper.

[0026] In a specific embodiment of the utility model, the number of the pipe penetrating holes 4 is four, which are arranged on four positions on the punching die 1, and the four pipe penetrating holes 4 are arranged in four sizes, so that plastic catheters with different diameters can be cut, and one pipe penetrating hole 4 is arranged on each of the upper and lower sides of the cutter hole 22 and communicates with the cutter hole 22. Thus, the cutter 3 can punch four plastic catheters at a time.

[0027] In a specific embodiment of the utility model, the punching die 1 comprises an upper die 11 and a lower die 12, and a vertical die 13 is arranged between the upper die 11 and the lower die 12. A blanking hole 14 is arranged between the upper die 11 and the lower die 12, and the middle section of the cutter hole 22 communicates with the blanking hole 14. The lower corner material 300 after being punched by the upper die 11 falls from the blanking hole 14, and does not affect the punching of the lower die.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A plastic conduit cutter hole punch apparatus comprising a punch die, characterized by: The punching die is provided with a vertical cutter through hole, a vertical and lifting cutter is arranged in the cutter through hole, the punching die is provided with a horizontal pipe through hole, the side wall of the pipe through hole is tangent to the vertical cutter through hole, and the pipe through hole is a special-shaped hole.

2. A device for cutting a hole in a plastic conduit according to claim 1, wherein: The special-shaped hole includes a straight side, a bottom side, an inclined side and a top side, and the straight side, the bottom side, the inclined side and the top side form a right-angled trapezoidal structure.

3. A device for cutting a hole in a plastic conduit according to claim 2, wherein: A virtual circular conduit channel is formed between the straight side, the bottom side and the inclined side, and the edges of the conduit channel are tangent to the straight side, the bottom side and the inclined side respectively.

4. A device for cutting a hole in a plastic conduit according to claim 3, wherein: The top side, the straight side and the inclined side form a flash channel.

5. A device for cutting a hole in a plastic conduit according to claim 4, wherein: The cutter through hole includes a guide hole and a cutter hole, and the cutter hole is arranged on both sides of the guide hole.

6. A device for cutting a hole in a plastic conduit according to claim 5, wherein: The cutter includes a cutter handle and a cutter edge, the cutter edge is arranged on both sides of the cutter handle, the cutter handle is movably arranged in the guide hole, and the cutter edge is movably arranged in the cutter hole.

7. A device for cutting a hole in a plastic conduit according to claim 6, wherein: The number of the special-shaped holes is four.

8. A device for cutting a hole in a plastic conduit according to claim 7, wherein: The punching die includes an upper die and a lower die, a vertical die is arranged between the upper die and the lower die, a blanking port is arranged between the upper die and the lower die, and the middle section of the cutter hole is in communication with the blanking port.

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