CN210589563U - Plastic pipe cutting die - Google Patents
Plastic pipe cutting die Download PDFInfo
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- CN210589563U CN210589563U CN201921541886.5U CN201921541886U CN210589563U CN 210589563 U CN210589563 U CN 210589563U CN 201921541886 U CN201921541886 U CN 201921541886U CN 210589563 U CN210589563 U CN 210589563U
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- cutting
- cutting mechanism
- inclined plane
- die holder
- die base
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Abstract
The utility model provides a plastic pipe cutting die, which comprises an upper die base, a lower die base, a pipe passage penetrating through the front side and the rear side of the lower die base and a lower cavity dug downwards along the upper surface of the lower die base, wherein the upper die base and the lower die base are connected in a relative sliding way through a guide pillar; the utility model discloses a tubular product passageway, including cavity, pre-cutting mechanism, upper die base, push structure, pre-cutting mechanism, pipe passageway, be provided with two relative pre-cutting mechanism in the cavity of resorption, pre-cutting mechanism slides and is fixed in the cavity of resorption, two pre-cutting mechanism is located respectively the tubular product passageway both sides, the upper die base is provided with pushing mechanism, pushing mechanism includes the top pushing structure, the top pushing structure can with the outer inclined plane contact of pre-cutting mechanism promotes when vertical direction activity pre-cutting mechanism with the tubular product passageway contacts, the inner inclined plane equipartition of pre-. The utility model discloses a cutting accuracy can be guaranteed to plastic tubing cutting die, improves cutting efficiency and yield.
Description
Technical Field
The utility model relates to a tubular product processing technology field especially relates to a plastic tubing cutting die.
Background
Traditional tubular product cutting means adopts the motor to drive the saw bit mostly and cuts, and size cutting accuracy is lower, and is higher to workman's proficiency requirement moreover, and in the cutting process, tubular product location is unstable, cuts out the bevel connection easily, is unfavorable for later stage tubular product to use. When the existing application cutter is vertically closed to cut the pipe, the pipe is easy to break when being cut downwards due to the fact that the pipe is made of hard materials, and the tangent plane is not flat.
Disclosure of Invention
In view of this, the utility model aims at providing a plastic tubing cutting die, this plastic tubing cutting die can guarantee cutting accuracy, avoids the tubular product fracture that the cutting caused, has improved cutting efficiency and yield.
In order to solve the technical problem, the utility model discloses a technical scheme is: the pipe cutting machine comprises an upper die holder, a lower die holder, pipe channels penetrating through the front side and the rear side of the lower die holder and a lower cavity chiseled downwards along the upper surface of the lower die holder, wherein the upper die holder and the lower die holder are connected in a relative sliding manner through guide pillars;
the pipe cutting device comprises a pipe channel, a lower cavity and an upper die base, wherein two opposite pre-cutting mechanisms are arranged in the lower cavity, the pre-cutting mechanisms are fixed in the lower cavity in a sliding mode, the two pre-cutting mechanisms are respectively located on two sides of the pipe channel, the upper die base is provided with a pressing mechanism, the pressing mechanism comprises a pushing structure, the pushing structure can be in contact with an outer inclined plane of the pre-cutting mechanism and pushes the pre-cutting mechanism to be in contact with the pipe channel when moving in the vertical direction, and a plurality of tool tips are uniformly distributed on an inner inclined plane of;
the upper die base is provided with a cutter, and the cutter point are positioned in the same horizontal plane;
be provided with reset spring on the precutting mechanism, reset spring connect in on the lateral wall of cavity of resorption.
Further, the inner inclined plane of the pushing structure is vertically overlapped with the outer inclined plane of the pre-cutting mechanism, and the distance h from the salient point of the inner inclined plane of the pushing structure to the corresponding side wall of the lower cavity1The distance h from the convex point of the outer inclined plane of the pre-cutting mechanism to the inner side surface of the pre-cutting mechanism2The sum of the distances h from the end part of the pipe passage to the side wall of the corresponding lower cavity is slightly smaller than the distance h;
the distance d from the upper end surface of the inner inclined plane of the pushing structure to the convex point of the outer inclined plane of the pre-cutting mechanism1Is less thanThe distance d from the lower end part of the cutter to the upper end part of the pre-cutting mechanism2。
Furthermore, both sides face is provided with the flange around the precutting machine constructs, cavity of resorption front and back both sides wall department be provided with flange matched with recess, the flange is located in the recess.
Furthermore, reset springs are arranged on the front side surface and the rear side surface of the pre-cutting mechanism, and the reset springs are respectively connected to the front side wall and the rear side wall of the lower cavity.
Furthermore, the end surface of the far pipe channel of the pressing mechanism and the side wall of the lower cavity are positioned on the same horizontal plane.
Furthermore, a waste material outlet penetrating through the lower die holder is drilled downwards from the middle part of the lower wall of the lower cavity, and the waste material outlet is positioned right below the pipe channel.
The utility model has the advantages and positive effects that: the utility model discloses a set up precutting mechanism, push away the structure through the top of going down in the mechanism of upper die base for the top pushes away the structure and can contact with the outer inclined plane contact of precutting mechanism and promote precutting mechanism and tubular product passageway when the upper die base moves down, realizes the precutting to tubular product, has reduced the direct pipe wall that causes of cutting down of cutter and has cracked, has improved the yield.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a sectional view in a longitudinal direction of a plastic pipe cutting die according to the present invention;
fig. 2 is a partial enlarged view of the pre-cutting mechanism of the present invention;
FIG. 3 is a top view of the lower die holder of the present invention;
fig. 4 is a schematic view of the working process of the plastic pipe cutting die of the present invention.
Description of reference numerals:
1-an upper die holder; 11-a press down mechanism; 111-a pushing mechanism; 12-a cutter; 2-a lower die holder; 3-a tubing channel; 4-a lower cavity; 41-a pre-cutting mechanism; 411-a knife tip; 412-a return spring; 413-relief printing; 42-a groove; 5-guide pillar; 6-waste outlet.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the elements or components are required to have a particular orientation, to be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 4, a plastic pipe cutting die: the pipe cutting machine comprises an upper die holder 1, a lower die holder 2, a pipe channel 3 penetrating through the front side surface and the rear side surface of the lower die holder 2 and a lower cavity 4 excavated downwards along the upper surface of the lower die holder 2, wherein the upper die holder 1 and the lower die holder 2 are connected in a relative sliding manner through a guide pillar 5; two opposite pre-cutting mechanisms 41 are arranged in the lower cavity 4, the pre-cutting mechanisms 41 are slidably fixed in the lower cavity 4, the two pre-cutting mechanisms 41 are respectively positioned at two sides of the pipe channel 3, the upper die base 1 is provided with a pressing mechanism 11, the pressing mechanism 11 comprises a pushing structure 111, the pushing structure 111 can be contacted with the outer inclined plane of the pre-cutting mechanism 41 and pushes the pre-cutting mechanism 41 to be contacted with the pipe channel 3 when moving in the vertical direction, and a plurality of tool tips 411 are uniformly distributed on the inner inclined plane of the pre-cutting mechanism 41; the upper die holder 1 is provided with a cutter 12, and the cutter 12 and the tool nose 411 are positioned in the same horizontal plane; a return spring 412 is arranged on the pre-cutting mechanism 41, and the return spring 412 is connected to the side wall of the lower cavity 4.
Further, the inner inclined plane of the pushing structure 111 is vertically overlapped with the outer inclined plane of the pre-cutting mechanism 41, and the distance h from the salient point of the inner inclined plane of the pushing structure 111 to the corresponding side wall of the lower cavity1The distance h from the salient point of the outer inclined plane of the pre-cutting mechanism 41 to the inner side surface of the pre-cutting mechanism 412The sum of the distances h from the end part of the pipe channel 3 to the side wall of the corresponding lower cavity is slightly smaller than the sum of the distances h; the distance d from the upper end surface of the inner inclined plane of the pushing structure 111 to the convex point of the outer inclined plane of the pre-cutting mechanism 411Is less than the distance d from the lower end of the cutting knife 12 to the upper end of the pre-cutting mechanism 412。
The utility model discloses set up cutting mechanism in advance to carrying out the precutting to tubular product, specifically, before the cutter undercut cutting, use cutting mechanism in advance to press from both sides tightly, the tubular product is pricked to the knife tip, pricks out the punchhole in tubular product cutting part, avoids the direct undercut of cutter to cause tubular product to collapse and split. The pushing mechanism comprises a pushing structure which pushes the pre-cutting mechanism to move on a horizontal plane, so that the tool tip is in butt joint with the pipe to perform binding cutting on the pipe. Setting the convex point of the inner inclined plane of the pushing structure to be in phaseShould be set at a distance h from the side wall of the cavity1The distance h from the salient point of the outer inclined plane of the pre-cutting mechanism to the inner side surface of the pre-cutting mechanism2The sum of the distances h from the end part of the pipe channel to the corresponding side wall of the lower cavity is slightly smaller than the distance h from the end part of the pipe channel to the corresponding side wall of the lower cavity, so that the pre-cutting mechanism is enabled to move to the end part of the pipe channel rightly under the action of the pushing mechanism, and at the moment, all or at least the end part of the tool tip enters the pipe channel, and the cutting of the tool tip on the. The distance d from the upper end surface of the inner inclined plane of the pushing structure to the convex point of the outer inclined plane of the pre-cutting mechanism1Is less than the distance d from the lower end part of the cutter to the upper end part of the pre-cutting mechanism2That is to say, when the precutting mechanism finishes precutting, the cutter still is located tubular product passageway top, prevents both clashes mutually.
Further, protruding plates 413 are arranged on the front side face and the rear side face of the pre-cutting mechanism 41, grooves 42 matched with the protruding plates 413 are formed in the front side wall and the rear side wall of the lower cavity 4, and the protruding plates 413 are located in the grooves 42. The utility model discloses a be provided with the flange at pre-cutting mechanism both sides face, with the flange card in the recess of both sides wall department around the cavity of resorption, realize the slide locating of pre-cutting mechanism in the cavity of resorption.
Further, return springs 412 are disposed on the front and rear side surfaces of the pre-cutting mechanism 41, and the return springs 412 are respectively connected to the front and rear side walls of the lower chamber 4.
Further, the end surface of the far pipe channel 3 of the pressing mechanism and the side wall of the lower cavity 4 are in the same horizontal plane.
Furthermore, a waste material outlet 6 penetrating through the lower die holder 2 is drilled downwards from the middle part of the lower wall of the lower cavity 4, and the waste material outlet 6 is positioned right below the pipe channel 3.
The utility model discloses the working process: the upper die base moves downwards to drive the lower pressing mechanism to move downwards, and a pushing structure in the lower pressing mechanism pushes the pre-cutting mechanism to move on a horizontal plane, so that the tool nose of the inner inclined plane of the pre-cutting mechanism is butted with the pipe to perform binding cutting on the pipe; and then the pressing mechanism continues to move downwards, the pre-cutting mechanism returns to the original position under the action of the return spring, at the moment, the cutter moves to the upper end of the pipe channel, the pressing mechanism continues, the cutter cuts the pipe, and after the cutting is finished, the upper die base moves upwards.
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 (6)
1. A plastic tubing cutting die which characterized in that: the pipe cutting machine comprises an upper die holder (1), a lower die holder (2), a pipe channel (3) penetrating through the front side surface and the rear side surface of the lower die holder (2), and a lower cavity (4) chiseling downwards along the upper surface of the lower die holder (2), wherein the upper die holder (1) is connected with the lower die holder (2) in a relative sliding mode through a guide pillar (5);
two opposite pre-cutting mechanisms (41) are arranged in the lower cavity (4), the pre-cutting mechanisms (41) are fixed in the lower cavity (4) in a sliding mode, the two pre-cutting mechanisms (41) are respectively located on two sides of the pipe channel (3), the upper die base (1) is provided with a pressing mechanism (11), the pressing mechanism (11) comprises a pushing structure (111), the pushing structure (111) can be in contact with an outer inclined plane of the pre-cutting mechanism (41) and pushes the pre-cutting mechanism (41) to be in contact with the pipe channel (3) when moving in the vertical direction, and a plurality of tool tips (411) are uniformly distributed on the inner inclined plane of the pre-cutting mechanism (41);
the upper die holder (1) is provided with a cutter (12), and the cutter (12) and the tool nose (411) are positioned in the same horizontal plane;
a return spring (412) is arranged on the pre-cutting mechanism (41), and the return spring (412) is connected to the side wall of the lower cavity (4).
2. A plastic tube cutting die according to claim 1, wherein the inner slope of the ejector structure (111) is vertically coincident with the outer slope of the pre-cutting mechanism (41), and the distance h from the salient point of the inner slope of the ejector structure (111) to the corresponding lower cavity side wall1The distance h from the salient point of the outer inclined plane of the pre-cutting mechanism (41) to the inner side surface of the pre-cutting mechanism (41)2The sum of the two parts is slightly smaller than the distance h from the end part of the pipe channel (3) to the side wall of the corresponding lower cavity;
the distance d from the upper end surface of the inner inclined plane of the pushing structure (111) to the convex point of the outer inclined plane of the pre-cutting mechanism (41)1Is less than the distance d from the lower end of the cutter (12) to the upper end of the pre-cutting mechanism (41)2。
3. A plastic tube cutting die according to claim 2, wherein the pre-cutting means (41) is provided with a protruding plate (413) on both front and rear sides, and the lower chamber (4) is provided with a groove (42) on both front and rear sides for fitting the protruding plate (413), and the protruding plate (413) is located in the groove (42).
4. A plastic tube cutting die according to claim 3, wherein return springs (412) are provided on both front and rear sides of the pre-cutting mechanism (41), the return springs (412) being connected to both front and rear side walls of the lower chamber (4), respectively.
5. A plastic tube cutting die according to claim 1, characterized in that the distal tube passage (3) end face of the pressing means is level with the side wall of the lower cavity (4).
6. A plastic tube cutting die according to claim 1, characterized in that a scrap outlet (6) penetrating the lower die holder (2) is bored downwards from the middle of the lower wall of the lower chamber (4), the scrap outlet (6) being located directly below the tube channel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921541886.5U CN210589563U (en) | 2019-09-17 | 2019-09-17 | Plastic pipe cutting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921541886.5U CN210589563U (en) | 2019-09-17 | 2019-09-17 | Plastic pipe cutting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210589563U true CN210589563U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921541886.5U Active CN210589563U (en) | 2019-09-17 | 2019-09-17 | Plastic pipe cutting die |
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| Country | Link |
|---|---|
| CN (1) | CN210589563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115179463A (en) * | 2022-09-14 | 2022-10-14 | 江苏亿豪塑业股份有限公司 | Waste treatment device for processing polytetrafluoroethylene pipes |
-
2019
- 2019-09-17 CN CN201921541886.5U patent/CN210589563U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115179463A (en) * | 2022-09-14 | 2022-10-14 | 江苏亿豪塑业股份有限公司 | Waste treatment device for processing polytetrafluoroethylene pipes |
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