CN102124909B - Lawn punching pipe and manufacturing method thereof - Google Patents
Lawn punching pipe and manufacturing method thereof Download PDFInfo
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- CN102124909B CN102124909B CN2010100427935A CN201010042793A CN102124909B CN 102124909 B CN102124909 B CN 102124909B CN 2010100427935 A CN2010100427935 A CN 2010100427935A CN 201010042793 A CN201010042793 A CN 201010042793A CN 102124909 B CN102124909 B CN 102124909B
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- perforated pipe
- pipe
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- lawn
- punching
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Abstract
The invention discloses a lawn punching pipe and a manufacturing method thereof. The lawn punching pipe comprises a punching part at the front end of the lawn punching pipe, a soil discharge part at the middle part of the lawn punching pipe and a mounting part at the rear end of the lawn punching pipe, wherein the punching part is used for punching in soil; the soil discharge part is used for removing the soil entering the punching part out of the punching pipe; the mounting part is connected with a mechanical power device; the punching pipe is formed by coiling a material plate in a cut shape; concave and convex parts are respectively cut at the two sides of the material plate; and the punching part of the punching pipe comprises a smooth gapless wall surface mutually meshed with the concave and convex parts of the material plate. The lawn punching pipe provided by the invention can be made from the plate with high wear resistance and high strength, is provided with the gapless pipe wall and ensures the stable lawn punching quality. The manufacturing method of the lawn punching pipe provided by the invention has the advantages of simple process, low cost and high production efficiency.
Description
Technical field
The invention belongs to the Machining Technology field, relate to a kind of pipe fitting and manufacturing approach thereof, relate in particular to a kind of lawn perforated pipe and manufacturing approach thereof.
Background technology
Perforated pipe is a kind of instrument that is applied in the turf maintenance, and perforated pipe punches on the lawn under the promotion of plant equipment, thereby increases gas permeability, drainage and the metabolic space on lawn, can make lawn normal health growth.The turf maintenance of high-quality requires perforated pipe to have good unearthed performance, high wearability and enough mechanical strengths.Produce perforated pipe at present in the world and have following three kinds: the perforated pipe that 1) adopts the steel pipe extrusion modling to process.This perforated pipe is that the employing steel pipe is a raw material, after the pressure processing moulding, forms through operation manufacturings such as mechanical milling, turning again.Adopted mechanical milling in the processing technology of this perforated pipe; That mechanical car is whittled into is high, efficient is low; And because perforated pipe has high abrasion and high-intensity requirement; But steel pipe wearability and intensity as raw material are difficult to meet this requirement, and the choice is little, and perforated pipe wearability and intensity that steel pipe is processed are relatively poor.2) perforated pipe processed of roll of steel plate circle.This perforated pipe is to adopt steel plate punching press volume circle to process.Perforated pipe intensity and wearability that this roll of steel plate circle is made can not only reach requirement, and production efficiency is high, low cost of manufacture.But owing to behind the present this perforated pipe volume circle a straight seam is arranged; Along with the use of perforated pipe, the soil that the perforated pipe inwall is embedded into pushes repeatedly, and this seam can be more and more wideer; Such seam has great injury to the lawn in the punching of lawn; Therefore, the perforated pipe of this kind technology only is used for some turf maintenance occasions very low to quality requirement, can not be widely used on a large scale.3) perforated pipe that adopts rod iron machining to process, this perforated pipe is processed hollow pipe with solid bar with solid rod iron after mechanical milling, turning.The intensity of this perforated pipe and wearability can both reach requirement, but owing to be through mechanical milling, turning, the inner surface fineness of product is poor; Be unearthed in the use have some setbacks, quality is unstable; Destruction to the lawn is comparatively serious, and in addition, its raw materials consumption is four times of the perforated pipe processed of steel pipe extrusion modling and roll of steel plate circle; Add the machining of a large amount of poor efficiency, cause production cost very high.
Summary of the invention
The technical problem that the present invention will solve is, to the above-mentioned defective of prior art, provide a kind of can use that high abrasion, high-strength panel are processed, tube wall does not have the gap, to the stable lawn perforated pipe of lawn drilling quality.
The technical problem that the present invention will solve is, the manufacturing approach of the lawn perforated pipe that a kind of technology is simple, cost is low, production efficiency is high is provided.
The technical solution adopted for the present invention to solve the technical problems is: a kind of lawn perforated pipe; Comprise that the earth that is used for getting into punching portion at the punching portion that is used for punching at soil, the middle part of front end draws off the installation portion that is connected with mechanical driver unit of being used for of the unearthed portion of perforated pipe, rear end; Said perforated pipe is that the material coiled sheet circle moulding of having cut out shape is processed; The dual-side of said plate of material is cut out out jog respectively, and the punching portion of perforated pipe comprises the smooth no gap wall that is formed by the mutual interlock of the jog of plate of material.
In the perforated pipe of lawn, the installation portion of said perforated pipe and punching portion all comprise the smooth no gap wall that is formed by the mutual interlock of the jog of plate of material.
In the perforated pipe of lawn, said jog is included in side of plate of material and cuts out the convexity that has, the relative corresponding groove that has of cutting out of another side, and it is consistent that protruding and groove shapes cooperate, and do not have the gap between the convexity of mutual interlock and the groove after the round moulding of volume.
In the perforated pipe of lawn, said groove inwall and protruding outer wall seamlessly transit no corner angle.
In the perforated pipe of lawn, said groove is a dovetail groove, and said convexity is the dovetail wedge that cooperates with dovetail groove; Perhaps said convexity is that zigzag is protruding, and said groove is and the protruding saw-tooth grooves that cooperates of zigzag.
In the perforated pipe of lawn, said convexity is the convexity of circular, semicircle or irregular contour, and said groove is circular groove, semi-circular recesses or the erose groove with protruding corresponding matching.
In the perforated pipe of lawn, said perforated pipe surfaces externally and internally is smooth, and the plate surface fineness of selection raw material plate will satisfy the instructions for use of product.
The manufacturing approach of lawn perforated pipe may further comprise the steps:
(1) gets the raw materials ready: raw material plate is cut into the piece material;
(2) blanking: become both sides to have the plate of material of jog piece material stamping-out according to design size;
(3) pre-bending folding: the good plate of material that will fall bends processing;
(4) volume circle: with the material coiled sheet circle of pre-bending folding, the dual-side butt joint of plate of material is inlayed butt joint with the jog of both sides simultaneously each other, processes pipe fitting;
(5) post processing: pipe fitting is carried out seam does not have gap processing, thermal treatment and surface treatment.
In the manufacturing approach of lawn perforated pipe, described step (4) comprises preparatory volume circle step and the round step of inlaying of volume; Described preparatory volume circle step is that the plate of material that pre-bending is rolled over is rolled into elliptoid pipe fitting, wherein the mutual lapping of the jog of both sides; It is that the ellipticity pipe fitting after volume is justified in advance is corrected into cylindric pipe fitting that described volume circle is inlayed step, and the jog of mutual lapping is embedded in together pressure.
In the manufacturing approach of lawn perforated pipe, it is to be exerted pressure in the surface of rolling up the pipe joint after circle is inlayed to make the pipe joint areal deformation fill up the gap that the seam in the said step (5) does not have the gap processing, processes gapless pipe fitting.
Perforated pipe of the present invention can be selected for example high carbon alloy steel plate of ganoid wearability and all good raw material plates of intensity for use; Adopt the round mode of volume to process; The punching portion of perforated pipe comprises the smooth no gap wall that is formed by the mutual interlock of the jog of plate of material; Because in the seam of punching portion is that the mutual interlock of jog forms, the pulling force of interlock has avoided seam crossing to form the slit in roll of steel plate circle back because the soil that is embedded in the influence of the resilience of material and subsequent heat treatment quenching stress and the use in the future pushes to draw back, and perforated pipe of the present invention has been eliminated the gap at concave-convex clutch place in forming process; Form smooth seamless wall; Help the smooth and easy punching of perforated pipe and unearthed, guaranteed the lawn drilling quality, also just provide the foundation for high-quality turf maintenance.
Except adopt the no gap splicing of the mutual interlock of jog in punching portion; At installation portion also is the no gap splicing that the mutual interlock of this jog forms; Anti-extrusion, guarantee high-precision installation dimension, such structure has guaranteed the quality of whole perforated pipe; Prolong the service life of perforated pipe, also guaranteed the quality of lawn punching simultaneously.
In order to make the mutual interlock of jog not produce any gaps, requiring protruding outside wall surface and groove internal face all is the face of smooth no corner angle, the two cooperate the back easily fully interlock do not stay the gap.
Groove of the present invention and convexity can adopt Any shape and form; But the shape that preferred hook each other can not directly draw back; The for example protruding shapes such as dovetail wedge, circle that adopt; And the corresponding shapes such as dovetail groove, circular trough of selecting for use of groove, the outer wall of convexity and the inwall mutual extrusion fastening of groove after the two interlock have just prevented to push the problem that seam is drawn back in roll of steel plate circle back owing to receive embedding soil in the influence of the resilience of material and subsequent heat treatment quenching stress and the punching process in the future.
In the perforated pipe manufacturing approach of the present invention; Comprise get the raw materials ready, blanking, pre-bending folding, volume circle, post-processing step; Adopt above-mentioned steps that the plate of material on plane is processed the perforated pipe of no gap splicing, wherein plate of material is processed pipe fitting, the wherein mutual interlock of the jog of plate of material in volume circle step; Adopt seam not have the gap in the post-processing step and handle the gaping of joints filling that the mutual interlock of jog is formed, process the no gap pipe fitting that seamlessly transits.Solved the seam that the conventional steel plates curling process can't be eliminated, made perforated pipe of the present invention have splendid serviceability, simultaneously, whole manufacturing process has very high production efficiency, the constant product quality of producing, cost is low, raw materials consumption is low.
Adopt convexity and the groove alignment lapping of the mode elder generation of preparatory volume circle in the round step of volume with the plate of material dual-side; And then exactly convexity is pressed into groove with external force, the two is embedded in together, then in post-processing step through the convexity and the groove surfaces of inlaying part are exerted pressure; Make protruding and groove generation plastic deformation; Fill the gap between convexity and the groove, realize the complete interlock of jog, no gap.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the structural representation of the embodiment of the invention 2 plate of material;
Fig. 3 is the structural representation behind the embodiment of the invention 2 pre-bendings folding;
Fig. 4 is that the embodiment of the invention 2 is rolled up the sketch map that bowlder mould and plate of material cooperate in advance;
Fig. 5 is the embodiment of the invention 2 cutaway view of volume circle back punching portion in advance;
The sketch map that mould cooperated with pipe fitting when Fig. 6 was round the inlaying of the embodiment of the invention 2 volumes;
Fig. 7 is that the embodiment of the invention 2 volume circles are inlayed the cutaway view of back punching portion.
Embodiment
Like Fig. 1, shown in 2; Said jog 12 comprises protruding 12a and groove 12b; Cut out the protruding 12a that has, the relative corresponding groove 12b that has that cuts out of another side at a side of the corresponding punching of plate of material portion 1; Protruding 12a is consistent with groove 12b form fit, and protruding 12a and groove 12b on each side are arranged alternately, and does not have the gap between the protruding 12a of mutual interlock and the groove 12b after the moulding of volume circle.Groove 12b inwall and protruding 12a outer wall all are to seamlessly transit no corner angle.The groove 12b of present embodiment is a dovetail groove, and protruding 12a is the dovetail wedge that cooperates with dovetail groove; Mutual hook prevents directly to draw back after dovetail groove and the interlock of dovetail wedge, and said protruding 12a can also be that zigzag is protruding, and groove 12b is and the protruding saw-tooth grooves that cooperates of zigzag.Protruding 12a also can select the convexity of circle, semicircle or irregular contour, and said groove 12b is circular groove, semi-circular recesses or the erose groove with protruding 12a corresponding matching.
Except the punching portion 1 of perforated pipe is spliced into tubulose through jog 12 interlocks that are provided with; The installation portion 3 of perforated pipe also is spliced into tubulose through being provided with the jog interlock; The jog that promptly is provided with in the both sides, position of the corresponding installation portion 3 of plate of material, the smooth no gap wall that the mutual interlock of volume circle back jog forms.
In order to make perforated pipe help being unearthed, do not destroy the lawn, the perforated pipe surfaces externally and internally requires smooth, and the plate surface fineness of selection raw material plate will satisfy the instructions for use of product.
(1) gets the raw materials ready: select high abrasion, high-intensity high carbon alloy steel plate as raw material plate, the high carbon alloy steel plate is cut on plate shearing machine be cut into the piece material;
(2) blanking: according to figure that designs and size, piece material stamping-out on punch press is become plate of material as shown in Figure 2, the both sides of the punching portion that plate of material is corresponding have jog;
(3) pre-bending folding: be beneficial to the mould good plate of material that on punch press, will fall and bend processing, be pressed into the bending plate of shape as shown in Figure 3;
(4) volume is round in advance: as shown in Figure 4; Adopt mould on punch press, to roll up circle; Wherein mould comprises columniform punch 51 and half-cylindrical die 52, and die 52 both sides are provided with difference in height, and the side mold height that die 52 promptly is set is a little less than the opposite side mold height; The difference in height of the two is T, and T is the thickness of plate of material.Plate of material is rolled into pipe fitting after the punching press, the jog 12 mutual lappings of pipe fitting both sides; The cross section of punching portion is ellipticity in the pipe fitting that is rolled into, and it is rounded that unearthed cross section is the cross section of " U " shape and installation portion.Be illustrated in figure 5 as the cutaway view of punching portion, the protruding 12a of jog 12, the mutual lapping of groove 12b among the figure.
The volume circle is inlayed: be beneficial to mould the ellipticity pipe fitting is rolled up round damascene.As shown in Figure 6, will roll up in advance earlier in the pipe fitting after justifying and put into corresponding plug 63, put into swinging cavity die 62 again; Motion drive swinging cavity die 62 rotations through wedge in the patrix 61 are oval circular to proofread and correct; Clamp pipe fitting then and make the groove of a side corresponding with the position of the convexity of another side, the punch 60 in the patrix moves downward, and convexity is pressed into groove realizes that inlaying being connected into of volume circle back jog is as shown in Figure 7; The jog of interlock seamlessly transits no corner angle ledge each other.
(5) post processing: pipe fitting is carried out seam does not have gap processing, thermal treatment and surface treatment.
Wherein, seam does not have the gap processing and is: exert pressure to rolling up the surface of justifying the pipe joint after inlaying, make the pipe joint areal deformation fill up the gap, process gapless pipe fitting.In order to ensure inlaying smoothly of convex-concave portion, convex-concave portion has reserved the gap of 0.02MM between convexity and the groove when blanking, be to eliminate this gap; Exerted pressure in inlay branch metal surface; Produce plastic deformation, make and inlay part metals and flow, thereby fill the gap between the male and female face; Realize the engagement fully between the male and female face, no gap.
Thermal treatment is: pipe fitting is put into high temperature furnace, be heated under 810 ℃～850 ℃ the temperature after the insulation (temperature retention time is decided with workpiece quantity), quench oil cooling but, again in 350 ℃ of following tempering, air cooling obtains the workpiece of hardness HRC50.
Surface treatment: will carry out antirust processing to perforated pipe at last, perforated pipe is immersed antirust oil or blackout processing.
Process perforated pipe as shown in Figure 1 at last.
Claims (8)
1. lawn perforated pipe; Comprise that the earth that is used for getting into punching portion at the punching portion that is used for punching at soil, the middle part of front end draws off the installation portion that is connected with mechanical driver unit of being used for of the unearthed portion of perforated pipe, rear end; Said perforated pipe is that the material coiled sheet circle moulding of having cut out shape is processed; It is characterized in that the dual-side of said plate of material is cut out out jog respectively, the punching portion of perforated pipe comprises the smooth no gap wall that is formed by the mutual interlock of the jog of plate of material.
2. lawn according to claim 1 perforated pipe is characterized in that, the installation portion of said perforated pipe and punching portion all comprise the smooth no gap wall that is formed by the mutual interlock of the jog of plate of material.
3. lawn according to claim 1 and 2 perforated pipe; It is characterized in that; Said jog is included in a side of plate of material and cuts out the convexity that has, the relative corresponding groove that has of cutting out of another side; Protruding consistent with the groove shapes cooperation, there is not the gap between the convexity of mutual interlock and the groove after the moulding of volume circle.
4. lawn according to claim 3 perforated pipe is characterized in that, said groove internal face, protruding outside wall surface are the even surface of no corner angle.
5. lawn according to claim 1 and 2 perforated pipe is characterized in that, said groove is a dovetail groove, and said convexity is the dovetail wedge that cooperates with dovetail groove; Perhaps said convexity is that zigzag is protruding, and said groove is and the protruding saw-tooth grooves that cooperates of zigzag.
6. lawn according to claim 1 and 2 perforated pipe is characterized in that, said convexity is the convexity of circular, semicircle or irregular contour, and said groove is circular groove, semi-circular recesses or the erose groove with protruding corresponding matching.
7. lawn according to claim 1 and 2 perforated pipe is characterized in that, said perforated pipe surfaces externally and internally is smooth.
8. the manufacturing approach of lawn perforated pipe is characterized in that, may further comprise the steps:
(1) gets the raw materials ready: raw material plate is cut into the piece material;
(2) blanking: become both sides to have the plate of material of jog piece material stamping-out according to design size;
(3) pre-bending folding: the good plate of material that will fall bends processing;
(4) volume circle: with the material coiled sheet circle of pre-bending folding, the dual-side butt joint of plate of material is inlayed butt joint with the jog of both sides simultaneously each other, processes pipe fitting;
(5) post processing: pipe fitting is carried out seam does not have gap processing, thermal treatment and surface treatment;
Described step (4) comprises preparatory volume circle step and the round step of inlaying of volume; Described preparatory volume circle step is that the plate of material that pre-bending is rolled over is rolled into elliptoid pipe fitting, wherein the mutual lapping of the jog of both sides; It is that the ellipticity pipe fitting after volume is justified in advance is corrected into cylindric pipe fitting that described volume circle is inlayed step, and the jog of mutual lapping is embedded in together pressure;
It is to be exerted pressure in the surface of rolling up the pipe joint after circle is inlayed to make the pipe joint areal deformation fill up the gap that seam in the said step (5) does not have the gap processing, processes gapless pipe fitting;
Thermal treatment in the said step (5) is: pipe fitting is put into high temperature furnace, be heated under 810 ℃～850 ℃ the temperature after the insulation, quench oil cooling but, again in 350 ℃ of following tempering, air cooling;
Surface treatment in the said step (5) is: will carry out antirust processing to perforated pipe at last, perforated pipe is immersed antirust oil or blackout processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100427935A CN102124909B (en) | 2010-01-14 | 2010-01-14 | Lawn punching pipe and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100427935A CN102124909B (en) | 2010-01-14 | 2010-01-14 | Lawn punching pipe and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102124909A CN102124909A (en) | 2011-07-20 |
| CN102124909B true CN102124909B (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010100427935A Expired - Fee Related CN102124909B (en) | 2010-01-14 | 2010-01-14 | Lawn punching pipe and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN102124909B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103947318B (en) * | 2014-05-20 | 2016-10-12 | 苏州金螳螂园林绿化景观有限公司 | Portable lawn punching-machine |
| CN105359651B (en) * | 2014-08-29 | 2018-06-05 | 宁波奇亚园林工具有限公司 | A kind of blade and its manufacturing method |
| CN107567780B (en) * | 2017-08-31 | 2019-09-03 | 潍坊职业学院 | The automatic potted-seedling transplanting device of intermittent-motion |
| CN108160815B (en) * | 2017-12-27 | 2024-07-02 | 揭阳市汇宝昌电器有限公司 | Full-automatic waste-free high-quality blanking and rolling die |
| CN109302861B (en) * | 2018-11-29 | 2022-05-03 | 马鞍山市绿之友机械制造有限公司 | Side soil discharging perforating needle and processing method thereof |
| CN109290753A (en) * | 2018-11-29 | 2019-02-01 | 马鞍山市绿之友机械制造有限公司 | A kind of roll bending perforating needle and its processing mould group and processing method |
| CN111229917A (en) * | 2020-01-17 | 2020-06-05 | 厦门金御工贸有限公司 | Production process and production die for accelerator rotating handle connecting piece |
| CN112352480B (en) * | 2020-11-09 | 2022-02-25 | 淮阴工学院 | Soil loosening device suitable for farmland |
| CN112692186B (en) * | 2020-12-14 | 2024-08-16 | 广东新宝精密制造股份有限公司 | Stamping and rounding device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6945332B2 (en) * | 2004-01-20 | 2005-09-20 | Kashiwatool Corporation | Aeration tine device |
| JP2007049923A (en) * | 2005-08-17 | 2007-03-01 | Kashiwa Tool Co Ltd | Tine and method for making holes by using the same |
| US20090173508A1 (en) * | 2008-01-08 | 2009-07-09 | Langworthy Thomas F | Tine holder for turf aerator |
-
2010
- 2010-01-14 CN CN2010100427935A patent/CN102124909B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6945332B2 (en) * | 2004-01-20 | 2005-09-20 | Kashiwatool Corporation | Aeration tine device |
| JP2007049923A (en) * | 2005-08-17 | 2007-03-01 | Kashiwa Tool Co Ltd | Tine and method for making holes by using the same |
| US20090173508A1 (en) * | 2008-01-08 | 2009-07-09 | Langworthy Thomas F | Tine holder for turf aerator |
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| Publication number | Publication date |
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| CN102124909A (en) | 2011-07-20 |
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