CN107052157B - Production equipment and method of three-tooth fin - Google Patents
Production equipment and method of three-tooth fin Download PDFInfo
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- CN107052157B CN107052157B CN201710254985.4A CN201710254985A CN107052157B CN 107052157 B CN107052157 B CN 107052157B CN 201710254985 A CN201710254985 A CN 201710254985A CN 107052157 B CN107052157 B CN 107052157B
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- plate
- lower die
- upper die
- die
- nitrogen spring
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/022—Making the fins
Abstract
The invention provides a production device and a production method of a tridentate fin, and belongs to the technical field of machinery. The technical problem that the production efficiency is low due to the fact that the existing fin production process is limited to production equipment is solved. This production facility die holder and die holder of tridentate fin are equipped with stamping module and side cut module between upper die base and the die holder, and stamping module includes mould nitrogen spring, last mould beater, lower mould nitrogen spring and lower mould beater, and the side cut module includes upper padding plate, lower bolster, cutter ejector pad and lower bolster. Most of the windowing forming process is in the bending process, most of the traditional fin forming process is in the stretching process, and the fin forming process is in the bending process, so that material thinning can be effectively avoided, and the quality of parts is improved; in addition, the innovative die is reasonable in pressure distribution of the upper die and the lower die, the forming time is staggered, and the one-step forming of the three teeth is successfully realized.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a production device and a production method of a tridentate fin.
Background
The stamping production technology of the fin is a traditional fin production technology, flat raw materials (steel strips, aluminum strips and copper strips) are cut, bent and drawn by a stamping forming die arranged on a press through stamping, so that a staggered-tooth type windowed fin part is formed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides equipment and a method for producing a tridentate fin, and the technical problems to be solved by the invention are as follows: how to improve the production efficiency of the tridentate fin.
The purpose of the invention can be realized by the following technical scheme:
the production equipment for the three-tooth fin is characterized by comprising an upper die base and a lower die base, wherein a stamping module and a trimming module are arranged between the upper die base and the lower die base, the stamping module comprises an upper die nitrogen spring, an upper die striking plate, a lower die nitrogen spring and a lower die striking plate, the upper die nitrogen spring is fixedly connected with the upper die base, the upper die nitrogen spring is connected with the upper die striking plate and can push the upper die striking plate to reciprocate along the vertical direction, and an upper die forming punch is fixed on the upper die striking plate; the lower die nitrogen spring is fixedly connected with the lower die base, is connected with the lower die striking plate and can push the lower die striking plate to reciprocate along the vertical direction, the lower die striking plate is connected with the stripper plate, a lower die forming insert is arranged on the stripper plate at a position opposite to the upper die forming punch, and the upper die forming punch can extend into the lower die forming insert; the trimming module comprises an upper padding plate, a lower padding plate, a cutter push block and a lower template, wherein the upper padding plate is fixedly connected with the upper die base, the upper end of the cutter push block is connected with the upper padding plate, the lower end of the cutter push block is connected with the lower clamping plate, the lower end of the lower clamping plate is provided with a trimming punch, the lower padding plate is arranged relative to the upper padding plate and fixed on the lower die base, the upper end of the lower padding plate is provided with the lower template, and the lower template is provided with a lower die knife edge insert matched with the trimming punch.
In the production equipment of the three-tooth fin, the stamping module and the trimming module are horizontally arranged between the upper die base and the lower die base in parallel, the production equipment further comprises a material belt capable of conveying a product from the stamping module to the trimming module, and the material belt is located between the stripper plate and the lower die stripper plate. Meanwhile, the material belt is positioned between the lower clamping plate and the lower template.
In the production equipment of the three-tooth fin, a plurality of guide columns and guide sleeves are arranged in the production equipment along the vertical direction.
In the production equipment for the three-tooth fin, the upper striking plate is provided with a guide pillar, and the lower striking plate is provided with a guide sleeve matched with the guide pillar of the upper striking plate; the upper backing plate is provided with a guide pillar, and the lower backing plate is provided with a guide sleeve at a position opposite to the guide pillar of the upper backing plate.
A method of producing a tridentate fin, characterized in that the method comprises:
A. acid washing and saponification treatment: putting a metal plate to be treated into HCL solution with the concentration of 18-35% for acid washing for 50-150 minutes, and removing oxide skin outside the metal plate; then taking out the metal plate, putting the metal plate into an aqueous solution with the pH value of 3-7 for washing for 1-2 minutes, and removing the residual HCL solution on the surface of the metal plate; then putting the metal plate into oxalic acid solution with the concentration of 0.4-1% for 10-20 seconds, removing spots on the surface of the metal plate, taking out the metal plate, putting the metal plate into aqueous solution with the pH value of 6-7, and washing for 1-2 minutes until no oxalic acid solution is left on the surface of the metal plate; finally, the metal plate is put into grease with the concentration of 1.5-2.5cm and the temperature of 70-85 ℃ for saponification treatment for 5-10 minutes.
B. Cutting: and cutting the pickled and saponified metal plate into metal sheets suitable for processing the three-tooth fins by the production equipment.
C. Forming the middle teeth: connecting a power supply, starting the production equipment, placing a metal sheet to be processed into the production equipment, enabling the metal sheet to enter a stamping module, starting an upper die nitrogen spring and a lower die nitrogen spring, and stamping the metal sheet to form middle teeth;
D. forming the left tooth and the right tooth: and the metal sheet with the formed middle teeth is conveyed to the edge cutting module, the edge cutting punch is pressed downwards under the action of the cutter push block, and the edge cutting processing is carried out on the metal sheet by matching with the lower die knife edge insert on the lower die plate to form a left tooth and a right tooth.
E. And (3) rust prevention treatment: and after the processed three-tooth fins in the trimming module are conveyed out through the material belt, oiling and rust preventing treatment is carried out on the surfaces of the three-tooth fins.
In the production method of the three-tooth fin, the pressure of the nitrogen spring of the upper die is greater than the pressure of the one-tooth windowing forming.
In the production method of the tridentate fin, the pressure of the lower die nitrogen spring is twice of the pressure of the upper die nitrogen spring. The design can ensure that the male and female dies which have finished working can reset after the middle teeth are formed, and the forming of the left and right teeth can not be interfered.
Compared with the prior art, the invention has the following advantages:
most of the fins are in the bending process in the windowing forming process, most of the fins are in the stretching process in the traditional fin forming process, and the fins are formed in the bending process, so that thinning of materials can be effectively avoided, and the quality of parts is improved; in addition, the innovative die is reasonable in pressure distribution of the upper die and the lower die, the forming time is staggered, and the one-step forming of the three teeth is successfully realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present production apparatus for a tridentate fin.
Fig. 2 is a schematic distribution diagram of the inner guide pillars and the inner guide sleeves of the production equipment of the tridentate fin.
In the figure, 1, an upper die base; 2. a lower die holder; 3. an upper die nitrogen spring; 4. punching an upper die; 5. a nitrogen spring of the lower die; 6. lower die stripping; 7. forming a punch by an upper die; 8. a material removing plate; 9. molding an insert in a lower die; 10. an upper base plate; 11. a lower base plate; 12. a cutter push block; 13. a lower template; 14. a lower splint; 15. trimming punches; 16. a lower die blade insert; 17. a material belt; 18. an inner guide post; 19. an inner guide sleeve.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
The production equipment for the tridentate fin shown in fig. 1 and 2 comprises an upper die base 1 and a lower die base 2, wherein a stamping module and a trimming module are arranged between the upper die base 1 and the lower die base 2, the stamping module comprises an upper die nitrogen spring 3, an upper die striking plate 4, a lower die nitrogen spring 5 and a lower die striking plate 6, the upper die nitrogen spring 3 is fixedly connected with the upper die base 1, the upper die nitrogen spring 3 is connected with the upper die striking plate 4 and can push the upper die striking plate 4 to reciprocate in the vertical direction, and an upper die forming punch 7 is fixed on the upper die striking plate 4; the lower die nitrogen spring 5 is fixedly connected with the lower die base 2, the lower die nitrogen spring 5 is connected with the lower die beater 6 and can push the lower die beater 6 to reciprocate along the vertical direction, the lower die beater 6 is connected with the stripper plate 8, a lower die forming insert 9 is arranged on the stripper plate 8 at a position opposite to the upper die forming insert 7, and the upper die forming insert 7 can extend into the lower die forming insert 9; the trimming module comprises an upper backing plate 10, a lower backing plate 11, a cutter push block 12 and a lower template 13, wherein the upper backing plate 10 is fixedly connected with the upper die base 1, the upper end of the cutter push block 12 is connected with the upper backing plate 10, the lower end of the cutter push block 12 is connected with a lower clamping plate 14, the lower end of the lower clamping plate 14 is provided with a trimming punch 15, the lower backing plate 11 and the upper backing plate 10 are oppositely arranged and fixed on the lower die base 2, the upper end of the lower backing plate 11 is provided with the lower template 13, and the lower template 13 is provided with a lower die knife edge insert 16 matched with the trimming punch 15.
Further, the punching module and the trimming module are horizontally arranged between the upper die base 1 and the lower die base 2 in parallel, the production equipment further comprises a material belt 17 which can convey a product from the punching module to the trimming module, and the material belt 17 is positioned between the stripper plate 8 and the lower die stripper plate 6. With the strip of material 17 being located between the lower jaw 14 and the lower die plate 13.
Furthermore, a plurality of guide columns 18 and guide sleeves 19 are arranged in the production equipment along the vertical direction. A guide post 18 is arranged on the upper knockout plate 4, and a matched guide sleeve 19 is arranged on the lower knockout plate 6 at a position opposite to the guide post 18 of the upper knockout plate 4; the upper backing plate 10 is provided with a guide post 18, and the lower backing plate 11 is provided with a guide sleeve 19 at a position opposite to the guide post 18 of the upper backing plate 10.
A production method for processing the tridentate fin by using the production equipment comprises the following steps:
A. acid washing and saponification treatment: putting a metal plate to be treated into HCL solution with the concentration of 18-35% for acid washing for 50-150 minutes, and removing oxide skin outside the metal plate; then taking out the metal plate, putting the metal plate into an aqueous solution with the pH value of 3-7 for washing for 1-2 minutes, and removing the residual HCL solution on the surface of the metal plate; then putting the metal plate into oxalic acid solution with the concentration of 0.4-1% for 10-20 seconds, removing spots on the surface of the metal plate, taking out the metal plate, putting the metal plate into aqueous solution with the pH value of 6-7, and washing for 1-2 minutes until no oxalic acid solution is left on the surface of the metal plate; finally, the metal plate is put into grease with the concentration of 1.5-2.5cm and the temperature of 70-85 ℃ for saponification treatment for 5-10 minutes.
B. Cutting: and cutting the pickled and saponified metal plate into metal sheets suitable for processing the three-tooth fins by the production equipment.
C. Forming the middle teeth: connecting a power supply, starting the production equipment, placing a metal sheet to be processed into the production equipment, enabling the metal sheet to enter a stamping module, starting an upper die nitrogen spring 3 and a lower die nitrogen spring 5, and stamping the metal sheet to form middle teeth; the pressure of the upper die nitrogen spring 3 is greater than that of one tooth windowing forming, and the pressure of the lower die nitrogen spring 5 is twice that of the upper die nitrogen spring 3. The design can ensure that the male and female dies which have finished working can reset after the middle teeth are formed, and the forming of the left and right teeth can not be interfered.
D. Forming the left tooth and the right tooth: the metal sheet with the formed middle teeth is conveyed to the edge cutting module, the edge cutting punch 15 is pressed down under the action of the cutter push block 12, and edge cutting processing is carried out on the metal sheet through matching with the lower die knife edge insert 16 on the lower die plate 13, so that the left teeth and the right teeth are formed.
E. And (3) rust prevention treatment: and after the processed tridentate fins in the trimming module are conveyed out through the material belt 17, oiling and rust preventing treatment is carried out on the surfaces of the tridentate fins.
When the production method is used for processing the three-tooth fin, most of the fins are in the bending process in the windowing forming process, most of the fins are in the stretching process in the traditional fin forming process, and the fins are formed in the bending process, so that the thinning of materials can be effectively avoided, and the quality of parts is improved; in addition, the innovative die is reasonable in pressure distribution of the upper die and the lower die, the forming time is staggered, and the one-step forming of the three teeth is successfully realized.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (7)
1. The production equipment for the tridentate fin is characterized by comprising an upper die base (1) and a lower die base (2), wherein a stamping module and a trimming module are arranged between the upper die base (1) and the lower die base (2), the stamping module comprises an upper die nitrogen spring (3), an upper die striking plate (4), a lower die nitrogen spring (5) and a lower die striking plate (6), the upper die nitrogen spring (3) is fixedly connected with the upper die base (1), the upper die nitrogen spring (3) is connected with the upper die striking plate (4) and can push the upper die striking plate (4) to move in a reciprocating mode along the vertical direction, and an upper die forming punch (7) is fixed on the upper die striking plate (4); the lower die nitrogen spring (5) is fixedly connected with the lower die base (2), the lower die nitrogen spring (5) is connected with the lower die striking plate (6) and can push the lower die striking plate (6) to reciprocate in the vertical direction, the lower die striking plate (6) is connected with the stripper plate (8), a lower die forming insert (9) is arranged on the stripper plate (8) at a position opposite to the upper die forming punch (7), and the upper die forming punch (7) can extend into the lower die forming insert (9); the trimming module comprises an upper padding plate (10), a lower padding plate (11), a cutter push block (12) and a lower template (13), wherein the upper padding plate (10) is fixedly connected with the upper die base (1), the upper end of the cutter push block (12) is connected with the upper padding plate (10), the lower end of the cutter push block (12) is connected with a lower clamping plate (14), the lower end of the lower clamping plate (14) is provided with a trimming punch (15), the lower padding plate (11) is oppositely arranged and fixed on the upper padding plate (10) on the lower die base (2), the upper end of the lower padding plate (11) is provided with the lower template (13), and the lower template (13) is provided with the trimming punch (15) matched lower die knife edge insert (16).
2. The production equipment of a tridentate fin according to claim 1, characterized in that the punching module and the trimming module are horizontally arranged side by side between the upper die base (1) and the lower die base (2), the production equipment further comprises a material belt (17) capable of conveying the products from the punching module to the trimming module, the material belt (17) is located between the stripper plate (8) and the lower die stripper plate (6), and the material belt (17) is located between the lower clamp plate (14) and the lower die plate (13).
3. A production facility of a tridentate fin according to claim 1, in which a plurality of guide posts (18) and guide sleeves (19) are provided in the vertical direction.
4. The production equipment of the tridentate fin according to claim 1, wherein a guide post (18) is arranged on the upper knockout plate (4), and a matched guide sleeve (19) is arranged on the lower knockout plate (6) at a position opposite to the guide post (18) of the upper knockout plate (4); the upper backing plate (10) is provided with a guide post (18), and the lower backing plate (11) is provided with a guide sleeve (19) at a position opposite to the guide post (18) of the upper backing plate (10).
5. A production method for processing a tridentate fin using the production apparatus of any one of claims 1 to 4, characterized in that the production method includes:
A. acid washing and saponification treatment: putting a metal plate to be treated into HCL solution with the concentration of 18-35% for acid washing for 50-150 minutes, and removing oxide skin outside the metal plate; then taking out the metal plate, putting the metal plate into an aqueous solution with the pH value of 3-7, washing for 1-2 minutes, and removing the residual HCL solution on the surface of the metal plate; then putting the metal plate into oxalic acid solution with the concentration of 0.4-1% for 10-20 seconds, removing spots on the surface of the metal plate, taking out the metal plate, putting the metal plate into aqueous solution with the pH value of 6-7, and washing for 1-2 minutes until no oxalic acid solution is left on the surface of the metal plate; finally, the metal plate is put into grease with the concentration of 1.5-2.5cm and the temperature of 70-85 ℃ for saponification treatment for 5-10 minutes;
B. cutting: cutting the pickled and saponified metal plate into metal sheets suitable for processing the three-tooth fins by the production equipment;
C. forming the middle teeth: connecting a power supply, starting the production equipment, placing a metal sheet to be processed into the production equipment, enabling the metal sheet to enter a stamping module, starting an upper die nitrogen spring (3) and a lower die nitrogen spring (5), and stamping the metal sheet to form middle teeth;
D. forming the left tooth and the right tooth: the metal sheet with the formed middle teeth is conveyed to a trimming module, a trimming punch (15) is pressed downwards under the action of a cutter push block (12), and trimming processing is carried out on the metal sheet through matching with a lower die knife edge insert (16) on a lower template (13) to form a left tooth and a right tooth;
E. and (3) rust prevention treatment: and after the processed tridentate fins in the trimming module are conveyed out through the material belt (17), oiling and rust-proof treatment are carried out on the surfaces of the tridentate fins.
6. A method for producing a tridentate fin according to claim 5, characterized in that the pressure of the upper die nitrogen spring (3) is greater than the pressure of one tooth forming.
7. A method for producing a tridentate fin according to claim 5, characterized in that the lower die nitrogen spring (5) has twice the pressure as the upper die nitrogen spring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710254985.4A CN107052157B (en) | 2017-04-19 | 2017-04-19 | Production equipment and method of three-tooth fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710254985.4A CN107052157B (en) | 2017-04-19 | 2017-04-19 | Production equipment and method of three-tooth fin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107052157A CN107052157A (en) | 2017-08-18 |
| CN107052157B true CN107052157B (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710254985.4A Active CN107052157B (en) | 2017-04-19 | 2017-04-19 | Production equipment and method of three-tooth fin |
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| Country | Link |
|---|---|
| CN (1) | CN107052157B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351879B (en) * | 2018-10-30 | 2024-03-26 | 张建梅 | Hot extrusion forming equipment for fin heat exchange tube |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3292317B2 (en) * | 1992-10-23 | 2002-06-17 | 日産自動車株式会社 | Automatic transfer of finger for transfer feeder |
| JP2006159205A (en) * | 2004-12-02 | 2006-06-22 | Kakio Seimitsu:Kk | Mechanism for positioning thin sheet material |
| CN205236801U (en) * | 2015-12-30 | 2016-05-18 | 葛建锋 | Radiator mainboard side cut turn -ups forming die |
| CN106391911A (en) * | 2016-06-21 | 2017-02-15 | 四川长虹电器股份有限公司 | Method for manufacturing fin |
| CN206028453U (en) * | 2016-08-11 | 2017-03-22 | 宁波甬龙机械有限公司 | Alum bracket side cut mould that punches a hole |
-
2017
- 2017-04-19 CN CN201710254985.4A patent/CN107052157B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3292317B2 (en) * | 1992-10-23 | 2002-06-17 | 日産自動車株式会社 | Automatic transfer of finger for transfer feeder |
| JP2006159205A (en) * | 2004-12-02 | 2006-06-22 | Kakio Seimitsu:Kk | Mechanism for positioning thin sheet material |
| CN205236801U (en) * | 2015-12-30 | 2016-05-18 | 葛建锋 | Radiator mainboard side cut turn -ups forming die |
| CN106391911A (en) * | 2016-06-21 | 2017-02-15 | 四川长虹电器股份有限公司 | Method for manufacturing fin |
| CN206028453U (en) * | 2016-08-11 | 2017-03-22 | 宁波甬龙机械有限公司 | Alum bracket side cut mould that punches a hole |
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| Publication number | Publication date |
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| CN107052157A (en) | 2017-08-18 |
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