CN113523714A - Method for manufacturing toothed harrow pipe - Google Patents
Method for manufacturing toothed harrow pipe Download PDFInfo
- Publication number
- CN113523714A CN113523714A CN202110642111.2A CN202110642111A CN113523714A CN 113523714 A CN113523714 A CN 113523714A CN 202110642111 A CN202110642111 A CN 202110642111A CN 113523714 A CN113523714 A CN 113523714A
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- China
- Prior art keywords
- punching
- steel pipe
- drilling
- concave
- lower die
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention relates to a manufacturing method of a toothed harrow tube, which comprises feeding, fixed-distance conveying, rotary drilling and symmetrical punching; according to the invention, the steel pipes are fed section by section according to the designed distance between the concave holes and the round holes in a fixed-distance automatic feeding mode, so that the problem of the position precision of the concave holes and the round holes in the length direction of the pipe body is solved; through the rotary drilling capable of rotationally positioning the periphery of the pipe body, the drilling can be quickly positioned even if the position of the circular hole on the pipe body is changed greatly; the symmetrical punching simultaneously punches and molds two opposite concave holes at the same position, so that the position accuracy of the two opposite concave holes at the same position is ensured while the punching efficiency is improved; the invention realizes synchronous operation of punching concave holes and drilling round holes, does not need manual clamping tools, and has high production efficiency and good finished product quality.
Description
Technical Field
The invention relates to a manufacturing method of a toothed harrow tube, belonging to the technical field of production of toothed harrow tubes.
Background
The toothed harrow pipe is one of key parts of a reel on a crop harvester, the length of the toothed harrow pipe can reach 6 meters according to different specifications of the harvester, 40 concave holes (concave holes) for mounting a reel rod and a plurality of round holes for mounting the reel are arranged on a pipe body, the distance between the concave holes is generally fixed, but the distance between the concave holes near the mounting round holes is changed, as shown in figure 1.
The production of the tooth rake pipe is mainly divided into two links of punching concave holes on a steel pipe and drilling holes on the steel pipe, the existing tooth rake pipe production mainly depends on manual punching concave holes and drilling holes, the punching holes and the drilling holes are operated separately, a clamp tool needs to be clamped for many times in the process, and the machining efficiency is low; because the quantity of punching press shrinkage pool is many, and pipe length is longer, and the shrinkage pool interval near the round hole is different, and the position change of round hole on the pipe shaft is great, consequently often appears the condition of making mistakes in the position of punching press or drilling, causes the pipe to scrap, influences the yield.
Disclosure of Invention
The invention aims to overcome the defects and provide the manufacturing method of the tooth rake pipe, which has the advantages of synchronous operation of concave hole punching and hole drilling, no need of manual clamping tools, high production efficiency and good finished product quality.
The purpose of the invention is realized as follows:
a manufacturing method of a toothed harrow plate comprises the following steps:
step one, feeding: conveying the steel pipes one by one;
step two, fixed-distance conveying: conveying the steel pipes conveyed in place by corresponding displacement distances according to different distances between concave holes and drilled holes;
step three, drilling in a rotating manner: after the steel pipe is conveyed to the position at a fixed distance, rotating the drill bit to the corresponding position according to the position of the steel pipe body to be drilled, and then performing drilling operation;
step four, symmetrically punching: after the steel pipe is conveyed in place at a fixed distance, punching operation is performed by the punching concave heads symmetrically arranged at two sides of the steel pipe body;
step five, continuous production: repeating the second step to the fourth step until the drilling and punching of the whole steel pipe are finished; and repeating the first step to manufacture the next steel pipe.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the steel pipes are fed section by section according to the designed distance between the concave holes and the round holes in a fixed-distance automatic feeding mode, so that the problem of the position precision of the concave holes and the round holes in the length direction of the pipe body is solved; through the rotary drilling capable of rotationally positioning the periphery of the pipe body, the drilling can be quickly positioned even if the position of the circular hole on the pipe body is changed greatly; the symmetrical punching simultaneously punches and molds two opposite concave holes at the same position, so that the position accuracy of the two opposite concave holes at the same position is ensured while the punching efficiency is improved; the invention realizes synchronous operation of punching concave holes and drilling round holes, does not need manual clamping tools, and has high production efficiency and good finished product quality.
Drawings
Fig. 1 is a schematic view of a rake structure according to the present invention.
FIG. 2 is a process flow chart of a manufacturing method of a rake teeth pipe of the present invention.
FIG. 3 is a schematic structural view of a distance conveying device related to a manufacturing method of a rake toothed pipe of the present invention.
Fig. 4 is a schematic side structure diagram of a drilling device related to a manufacturing method of a rake toothed pipe.
Fig. 5 is a schematic side structure view of a punching device related to a manufacturing method of a toothed harrow plate of the invention.
Fig. 6 is a schematic bottom view of an upper die holder of a punching device according to a manufacturing method of a rake bar of the present invention.
Fig. 7 is a schematic top view of a lower die holder of a punching device related to a manufacturing method of a toothed harrow plate of the invention.
Wherein:
a steel pipe 101 and a punch 102;
the device comprises a fixed distance conveying device 1, a drilling device 2 and a concave punching device 3;
an upper die holder 301, a lower die holder 302, an upper die 303, a lower die 304, a punch head 305, a nitrogen spring 306, a wedge block 307, a sliding block 308, a wedge surface 309, a rebound mechanism 310 and a positioning guide 311;
a base 401, a fixed clamping part 402 and a movable clamping part 403.
Detailed Description
Referring to fig. 1 to 7, the present invention relates to a manufacturing method of a rake teeth pipe, which comprises the following steps:
step one, feeding: conveying the steel pipes 101 one by one;
step two, fixed-distance conveying: conveying the steel pipes 101 conveyed in place by corresponding displacement distances according to different distances between concave holes and drilled holes;
step three, drilling in a rotating manner: after the steel pipe 101 is conveyed to a proper position at a fixed distance, rotating a drill bit to a corresponding position according to the position of the steel pipe 101 to be drilled at the pipe body, and then performing drilling operation;
step four, symmetrically punching: after the steel pipe 101 is conveyed to a proper position at a fixed distance, punching operation is performed by punching concave heads symmetrically arranged on two sides of a pipe body of the steel pipe 101;
step five, continuous production: repeating the second step to the fourth step until the drilling and punching of the whole steel pipe 101 are finished; repeating the first step to manufacture the next steel pipe 101;
further, the second step is realized based on a distance conveying device 1, wherein the distance conveying device 1 comprises a base 401, a fixed clamping part 402 installed on the base 401, and a movable clamping part 403 slidably arranged on the base 401;
further, the third step is realized based on a drilling device 2, the drilling device 2 comprises a support plate 201 taking the axis of the steel pipe 101 as a rotation central axis, and a drilling machine 202 slidably arranged on the support plate 201, the sliding direction of the drilling machine 202 is perpendicular to the axis of the steel pipe 101, and a through hole 203 through which the steel pipe 101 passes is arranged at the rotation center of the support plate 201; the rotary supporting plate 201 can drill holes in different angle positions of the pipe body of the steel pipe 101, and can drill a single-side hole and a double-side through hole.
Further, the fourth step is realized based on a concave punching device 3 installed on the punch 102, wherein the concave punching device 3 comprises an upper die holder 301 and a lower die holder 302; an upper die 303 is arranged on the upper die holder 301 through a nitrogen spring 306; a lower die 304 is fixedly arranged on the lower die base 302, a concave punching head 305 is slidably arranged on the lower die base, and the sliding direction of the concave punching head 305 is vertical to the axis of the steel pipe 101; the upper die 303 and the lower die 304 correspond to each other up and down; the upper die holder 301 is also provided with a wedge block 307; a sliding block 308 is slidably mounted on the lower die holder 302, one end of the sliding block 308 is connected with the stamping concave head 305, the other end of the sliding block 308 is connected with a rebound mechanism 310, and a wedge surface 309 matched with the wedge block 307 is arranged on the sliding block 308; the resilience mechanism 310 comprises a bolt sleeved with a spring, one end of the spring props against the bolt, the other end of the spring props against the lower die holder 302, and the bolt is connected with the sliding block 308; a positioning guide 311 is arranged between the upper die holder 301 and the lower die holder 302.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (4)
1. A manufacturing method of a toothed harrow pipe is characterized by comprising the following steps: the manufacturing method of the toothed harrow plate comprises the following steps:
step one, feeding: conveying the steel pipes (101) one by one;
step two, fixed-distance conveying: conveying the steel pipes (101) conveyed in place by corresponding displacement distances according to different distances between concave holes and drilled holes;
step three, drilling in a rotating manner: after the steel pipe (101) is conveyed to a proper position at a fixed distance, rotating a drill bit to a corresponding position according to the position of the steel pipe (101) to be drilled on the pipe body of the steel pipe, and then performing drilling operation;
step four, symmetrically punching: after the steel pipe (101) is conveyed to a proper position at a fixed distance, punching operation is performed by punching concave heads symmetrically arranged at two sides of a pipe body of the steel pipe (101);
step five, continuous production: repeating the second step to the fourth step until the drilling and punching of the whole steel pipe (101) are finished; and repeating the first step to manufacture the next steel pipe (101).
2. The manufacturing method of a rake lever according to claim 1, wherein: the second step is realized based on a distance conveying device (1), wherein the distance conveying device (1) comprises a base (401), a fixed clamping part (402) arranged on the base (401), and a movable clamping part (403) arranged on the base (401) in a sliding manner.
3. The manufacturing method of a rake lever according to claim 1, wherein: the third step is realized based on a drilling device (2), wherein the drilling device (2) comprises a support plate (201) taking the axis of the steel pipe (101) as a rotation central shaft and a drilling machine (202) arranged on the support plate (201) in a sliding mode, the sliding direction of the drilling machine (202) is perpendicular to the axis of the steel pipe (101), and a through hole (203) through which the steel pipe (101) penetrates is formed in the rotation center of the support plate (201).
4. The manufacturing method of a rake lever according to claim 1, wherein: the fourth step is realized based on a concave punching device (3) arranged on a punch press (102), wherein the concave punching device (3) comprises an upper die holder (301) and a lower die holder (302); an upper die (303) is arranged on the upper die holder (301) through a nitrogen spring (306); a lower die (304) is fixedly arranged on the lower die base (302), a concave punching head (305) is slidably arranged on the lower die base, and the sliding direction of the concave punching head (305) is vertical to the axis of the steel pipe (101); the upper die (303) and the lower die (304) are vertically corresponding;
the upper die holder (301) is also provided with a wedge-shaped block (307); a sliding block (308) is slidably mounted on the lower die holder (302), one end of the sliding block (308) is connected with the stamping concave head (305), the other end of the sliding block (308) is connected with a rebounding mechanism (310), and a wedge-shaped surface (309) matched with the wedge-shaped block (307) is arranged on the sliding block (308); the rebounding mechanism (310) comprises a bolt sleeved with a spring, one end of the spring abuts against the bolt, the other end of the spring abuts against the lower die holder (302), and the bolt is connected with the sliding block (308); and a positioning guide device (311) is arranged between the upper die holder (301) and the lower die holder 302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110642111.2A CN113523714A (en) | 2021-06-09 | 2021-06-09 | Method for manufacturing toothed harrow pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110642111.2A CN113523714A (en) | 2021-06-09 | 2021-06-09 | Method for manufacturing toothed harrow pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113523714A true CN113523714A (en) | 2021-10-22 |
Family
ID=78095720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110642111.2A Pending CN113523714A (en) | 2021-06-09 | 2021-06-09 | Method for manufacturing toothed harrow pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113523714A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000094399A (en) * | 1998-09-22 | 2000-04-04 | Enomoto Co Ltd | Substrate precision drilling equipment |
| CN103317042A (en) * | 2013-06-07 | 2013-09-25 | 常熟市华恩机械有限公司 | Ultralong tubing processing feeding device |
| CN206716847U (en) * | 2017-04-01 | 2017-12-08 | 神龙汽车有限公司 | A kind of flange punching die |
| CN109500212A (en) * | 2019-01-14 | 2019-03-22 | 十堰楚欣达汽车科技股份有限公司 | A kind of hush tube punching automatic feeding |
| CN209094312U (en) * | 2018-10-11 | 2019-07-12 | 苏州市恒升机械有限公司 | A kind of rectangular pipe side blow mechanism |
| CN210817589U (en) * | 2019-11-08 | 2020-06-23 | 江苏承中和高精度钢管制造有限公司 | High accuracy steel pipe multidimension degree perforating device |
| CN111558834A (en) * | 2020-02-17 | 2020-08-21 | 潍坊东方钢管有限公司 | Automatic punching and drilling integrated machine |
| CN211588209U (en) * | 2019-12-31 | 2020-09-29 | 常州新海飞金属制品有限公司 | Stainless steel pipe punching machine capable of punching at fixed distance |
| CN211757934U (en) * | 2019-12-27 | 2020-10-27 | 无锡市舒洋模具有限公司 | Vehicle door hinge side punching die |
| CN112720683A (en) * | 2020-12-14 | 2021-04-30 | 钦安东 | Portable high accuracy plastic conduit drilling equipment |
-
2021
- 2021-06-09 CN CN202110642111.2A patent/CN113523714A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000094399A (en) * | 1998-09-22 | 2000-04-04 | Enomoto Co Ltd | Substrate precision drilling equipment |
| CN103317042A (en) * | 2013-06-07 | 2013-09-25 | 常熟市华恩机械有限公司 | Ultralong tubing processing feeding device |
| CN206716847U (en) * | 2017-04-01 | 2017-12-08 | 神龙汽车有限公司 | A kind of flange punching die |
| CN209094312U (en) * | 2018-10-11 | 2019-07-12 | 苏州市恒升机械有限公司 | A kind of rectangular pipe side blow mechanism |
| CN109500212A (en) * | 2019-01-14 | 2019-03-22 | 十堰楚欣达汽车科技股份有限公司 | A kind of hush tube punching automatic feeding |
| CN210817589U (en) * | 2019-11-08 | 2020-06-23 | 江苏承中和高精度钢管制造有限公司 | High accuracy steel pipe multidimension degree perforating device |
| CN211757934U (en) * | 2019-12-27 | 2020-10-27 | 无锡市舒洋模具有限公司 | Vehicle door hinge side punching die |
| CN211588209U (en) * | 2019-12-31 | 2020-09-29 | 常州新海飞金属制品有限公司 | Stainless steel pipe punching machine capable of punching at fixed distance |
| CN111558834A (en) * | 2020-02-17 | 2020-08-21 | 潍坊东方钢管有限公司 | Automatic punching and drilling integrated machine |
| CN112720683A (en) * | 2020-12-14 | 2021-04-30 | 钦安东 | Portable high accuracy plastic conduit drilling equipment |
Non-Patent Citations (1)
| Title |
|---|
| 邵宗义，邹声华，郑小兵: "建筑设备施工安装技术 第2版", 北京：机械工业出版社, pages: 7 - 9 * |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211022 |
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| RJ01 | Rejection of invention patent application after publication |