CN108435930B - Cooling device and cooling method of hydraulic red punching equipment - Google Patents
Cooling device and cooling method of hydraulic red punching equipment Download PDFInfo
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- CN108435930B CN108435930B CN201810200300.2A CN201810200300A CN108435930B CN 108435930 B CN108435930 B CN 108435930B CN 201810200300 A CN201810200300 A CN 201810200300A CN 108435930 B CN108435930 B CN 108435930B
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- 238000001816 cooling Methods 0.000 title claims abstract description 111
- 238000004080 punching Methods 0.000 title claims abstract description 49
- 238000005507 spraying Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000003860 storage Methods 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 9
- 230000001276 controlling effect Effects 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000009792 diffusion process Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000498 cooling water Substances 0.000 abstract description 3
- 238000011010 flushing procedure Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Classifications
-
- 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
- B21D37/16—Heating or cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
- Forging (AREA)
Abstract
The application relates to a cooling device of hydraulic red flushing equipment, which comprises a spraying liquid storage barrel, a first nozzle and a second nozzle, wherein the first nozzle and the second nozzle are respectively connected with the spraying liquid storage barrel; the first nozzle and the second nozzle are sequentially arranged on the left side and the right side of the fixed long shaft; the first nozzle corresponds to the stamping head of the hydraulic red stamping equipment in position; spraying for cooling the punching head; the second nozzle corresponds to the position of the mold cylinder; spraying for cooling the punched workpiece; by arranging the control device, the compressed air pressure and the cooling water flow of each atomizing nozzle can be reasonably regulated, the optimal atomizing effect can be achieved, and the workpiece can be uniformly cooled; through adjusting the position relation between the first nozzle and the second nozzle, the water quantity of the cooling surface of the workpiece can be uniform by reasonably selecting the distance between the atomizing nozzles, and the workpiece can be cooled by atomizing and spraying under the action of compressed air jet flow.
Description
Technical Field
The application belongs to the technical field of mechanical equipment, and particularly relates to a cooling device and a cooling method of hydraulic red punching equipment.
Background
With the development of society and technology, the mechanical industry puts forward new mechanical strength requirements on mechanical parts, and two methods are generally adopted to improve the mechanical strength of the mechanical parts, namely, changing the material of the parts and changing the processing method of the parts. The red punching process used by the red punching furnace is one of effective methods for improving the mechanical properties of parts by changing the processing method, is actually a hot extrusion process, has good development prospect and is widely applied.
The specific processing method of the red punching process is that after brass rods or iron rods are heated to red, the brass rods or iron rods are placed into a hot punching die of a punch press to be extruded and molded at one time. In the common production process, an operator is required to clamp the heated brass rod or iron rod and other workpieces to a punch press for processing.
In a conventional heat treatment apparatus that heats and cools a metal material as an object to be treated and performs a treatment such as quenching, when high-speed cooling is required, an oil-cooled cooling apparatus and a gas-cooled cooling apparatus have been conventionally used. In the above-described oil-cooled cooling apparatus, the cooling efficiency is excellent, but there is a problem in that fine cooling control is hardly performed and the heat-treated product is easily deformed. On the other hand, in the gas cooling type cooling apparatus, cooling control is easily performed by means of flow rate control or the like of the gas, and there is a problem that the performance is excellent in terms of deformation of the heat-treated product but the cooling efficiency is low.
In view of the above, improvements are needed.
Disclosure of Invention
The application aims to overcome the defects in the prior art and provides a cooling device and a cooling method of hydraulic red punching equipment.
In order to achieve the above purpose, the technical scheme adopted by the application is as follows: the cooling device of the hydraulic red flushing equipment comprises a spraying liquid storage barrel, a first nozzle and a second nozzle which are respectively connected with the spraying liquid storage barrel; the first nozzle and the second nozzle are sequentially arranged on the left side and the right side of the fixed long shaft; the first nozzle corresponds to the stamping head of the hydraulic red stamping equipment in position; spraying for cooling the punching head; the second nozzle corresponds to the position of the mold cylinder; the spray nozzle is used for cooling the stamping workpiece.
As a preferable scheme of the application, the spraying liquid storage barrel is fixedly arranged on one side of the bedplate, two bedplate are fixedly connected through four positioning rods, and the fixed long shaft is connected to the positioning rods at the upper ends of the two bedplate in a sliding way; and limiting devices are arranged at two ends of the fixed long shaft and are connected to the positioning rod in a clamping manner.
As a preferable scheme of the application, the limiting device comprises a connecting plate, and adjusting screws which are positioned at two sides of the connecting plate and are used for clamping the positioning rods, wherein the adjusting screws penetrate through the fixing long shafts and are connected with the adjusting bolts; the adjusting bolt is matched with the adjusting screw and used for adjusting the position of the fixed long shaft on the positioning rod.
As a preferable scheme of the application, an upper guide groove matched with the positioning rod is formed at the lower end of the fixed long shaft, and a lower guide groove matched with the positioning rod is formed at the upper end of the connecting plate correspondingly.
As a preferable scheme of the application, a positioning seat is arranged on the fixed long shaft, and a driving cylinder and a guide pipe are fixedly arranged on the positioning seat; the driving shaft of the driving cylinder is connected with an adjusting seat, one end of the adjusting seat is fixedly connected with the driving shaft, the other end of the adjusting seat is provided with a guiding opening, a guide rod is sleeved in the guiding opening, and the guide rod penetrates through the guide pipe and is connected with the second nozzle; the driving cylinder is used for adjusting the second nozzle to move up and down.
As a preferable scheme of the application, the bottom of the positioning seat is fixedly provided with a cooling fixing plate, the cooling fixing plate is connected with an adjusting plate, the end part of the adjusting plate is provided with a guide pipe, the bottom of the guide pipe is connected with the first nozzle, and the guide pipe is connected with the spraying liquid storage barrel through a pipeline.
As a preferable scheme of the application, the adjusting plate is provided with a guide groove and an adjusting bolt matched with the guide groove, and the adjusting bolt penetrates through the guide groove to be connected with the cooling fixing plate; the position of the first nozzle is adjusted through the matching between the adjusting bolt and the guide groove.
As a preferable mode of the present application, the cooling device further comprises a control device for controlling the respective injection amounts of the first nozzle and the second nozzle, and the control device is used for controlling the first nozzle and the second nozzle to sequentially inject the cooling spray.
The cooling method of the cooling device of the hydraulic red punching equipment is characterized by comprising the following steps of:
1) Firstly, adjusting the position of a fixed long shaft on a positioning rod through a limiting device, further adjusting the position between a first nozzle and a second nozzle, and simultaneously adjusting the spraying distance between the first nozzle and a stamping head of hydraulic red stamping equipment and the spraying distance between the second nozzle and a workpiece in a die cylinder;
2) The positions of the first regulating valve and the second regulating valve are regulated according to actual use requirements, so that the cooling of spray workpieces of the first nozzle and the second nozzle meets the requirements;
3) In the process flow of the red punching die, before each red punching, a microcontroller gives an instruction, a first nozzle sprays cooling spray to a punching head of hydraulic red punching equipment, when a red punching workpiece is extruded and formed through the punching head, a second nozzle sprays cooling spray to the extruded red punching workpiece under the driving of a driving cylinder;
4) And demolding the workpiece, and finishing the cooling process to wait for the next processing.
In a preferred embodiment of the present application, the spray angle for cooling in the first nozzle is narrower than the spray angle for cooling in the second nozzle.
The beneficial effects of the application are as follows:
1. after the structure is adopted, the cooling flow of the hydraulic red punching equipment can be automatically completed by a machine, the production efficiency is greatly improved, the operation is simple, the labor force is saved, and the hydraulic red punching equipment can be widely applied to the red punching field.
2. The first nozzle and the second nozzle are used for cooling the workpiece before and after stamping in sequence, so that uneven temperature distribution during cooling of the processed object can be restrained, and poor quality such as deformation and hardness deviation can be avoided.
3. By arranging the control device, the compressed air pressure and the cooling water flow of each atomizing nozzle can be reasonably regulated, the optimal atomizing effect can be achieved, and the workpiece can be uniformly cooled; through adjusting the position relation between the first nozzle and the second nozzle, the water quantity of the cooling surface of the workpiece can be uniform by reasonably selecting the distance between the atomizing nozzles, and the workpiece can be cooled by atomizing and spraying under the action of compressed air jet flow.
Drawings
FIG. 1 is a state diagram of the use of an embodiment of the present application;
FIG. 2 is a use state diagram of an embodiment of the present application;
FIG. 3 is a schematic diagram of an embodiment of the present application;
FIG. 4 is a use state diagram of an embodiment of the present application;
reference numerals in the drawings: the spray tank 21, the first nozzle 210, the second nozzle 211, the fixed long shaft 212, the upper guide groove 212-1, the platen 214, the positioning rod 215, the limiting device 216, the connecting plate 216-1, the adjusting screw 216-2, the adjusting bolt 216-3, the lower guide groove 216-4, the positioning seat 217, the driving cylinder 218, the driving shaft 218-1, the adjusting seat 219, the guide opening 219-1, the guide rod 2101, the guide pipe 2102, the cooling fixing plate 2103, the adjusting plate 2104, the guide pipe 2105, the guide groove 2106, and the adjusting bolt 2107.
Detailed Description
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Examples: as shown in fig. 1 to 4, a cooling device of a hydraulic red flushing apparatus includes a spraying liquid storage tank 21, a first nozzle 210 and a second nozzle 211 connected to the spraying liquid storage tank 21, respectively; the first nozzle 210 and the second nozzle 211 are sequentially arranged at the left and right sides of the fixed long shaft 212; the first nozzle 210 corresponds to the ram position of the hydraulic ram apparatus; spraying for cooling the punching head; the second nozzle 211 corresponds to the mold cylinder position; spraying for cooling the punched workpiece; after the structure is adopted, the cooling flow of the hydraulic red punching equipment can be automatically completed by a machine, the production efficiency is greatly improved, the operation is simple, the labor force is saved, and the hydraulic red punching equipment can be widely applied to the red punching field; the cooling device adopts spray cooling, is an effective heat dissipation mode, and has the advantages of strong heat dissipation capacity, small working medium demand, low superheat degree, small contact thermal resistance and the like.
The working principle of the spray cooling system is as follows: by driving the pump, the spray liquid storage barrel enters the sprayer to generate spray which passes through the nozzle and is applied to the red punching workpiece. The liquid absorbs heat to be vaporized so as to achieve the cooling purpose, the vapor flows into a condenser to be condensed into liquid, and the liquid is pumped back to a spraying liquid storage barrel through a pump so as to complete a cooling cycle; the cooling device further comprises a control device for controlling the respective injection amounts of the first nozzle 210 and the second nozzle 211, and the control device is used for controlling the first nozzle 210 and the second nozzle 211 to sequentially inject cooling spray; the control device 213 is based on the temperature at the time of processing the red punch workpiece, and adjusts the cooling mode of the workpiece according to the temperature so that the spraying effect of the first nozzle 210 and the second nozzle 211 on the workpiece is optimal; by arranging the control device, the compressed air pressure and the cooling water flow of each atomizing nozzle can be reasonably regulated, the optimal atomizing effect can be achieved, and the workpiece can be uniformly cooled; the first nozzle 210 and the second nozzle 211 are used to cool the workpiece before and after the workpiece is pressed in order, so that uneven temperature distribution during cooling of the workpiece can be suppressed, and quality defects such as deformation and hardness deviation can be avoided.
In the first nozzle 210, a cooling system for cooling the position of the press head is provided, and a cooling liquid is sprayed in a mist form to the red-punched workpiece which is heated and is provided in the die opening mechanism, so as to cool the red-punched workpiece. The cooling system is used for rapidly cooling the red-punched workpiece. The cooling system has a recovery pipe, a heat exchanger, a pump, a supply pipe, and a nozzle. As the cooling liquid, for example, water, oil, salt, fluorine-based inert liquid, or the like is used.
The first nozzle 210 is a part for cooling the red-impact workpiece by spraying mist coolant to the red-impact workpiece which is heated and provided in the mold opening mechanism. The first nozzle 210 is used when the red-punched workpiece is rapidly cooled. The first nozzle 210 is sprayed on a press head of the hydraulic red punching apparatus for pressing with the heated red punching workpiece, and since the red punching workpiece is uniformly cooled, occurrence of strain or the like of the red punching workpiece due to non-uniformity of cooling is prevented.
The second nozzle 211 corresponds to the mold cylinder position; spraying for cooling the punched workpiece; the second nozzle 211 sprays a mist of cooling liquid onto the press-formed workpiece, and the second nozzle 211 is used when the cooling uniformity of the red-punched workpiece is maintained while being slowly cooled. The second nozzles 211 are arranged side by side along the central axis direction of the guide bar. As a result, the portion of the red punch that does not contact the spray is reduced as much as possible. Therefore, the red punched workpiece is uniformly cooled, and occurrence of strain or the like of the red punched workpiece due to non-uniformity of cooling is prevented.
The spraying liquid storage barrel 21 is fixedly arranged on one side of the bedplate 214, two bedplate 214 are fixedly connected through four positioning rods 215, and the 212 of the fixed long shaft is connected to the positioning rods 215 at the upper ends of the two bedplate in a sliding way; two ends of the fixed long shaft 212 are provided with limiting devices 216, and the limiting devices 216 are connected to the positioning rods 215 in a clamping manner; the limiting device 216 comprises a connecting plate 216-1, adjusting screws 216-2 positioned on two sides of the connecting plate 216-1 and used for clamping the positioning rods 215, and the adjusting screws 216-2 penetrate through the long fixing shaft 212 and are connected with the adjusting bolts 216-3; the adjusting bolt 216-3 is matched with the adjusting screw 216-2 to adjust the position of the fixed long shaft 212 on the positioning rod 215; an upper guide groove 212-1 matched with the positioning rod 215 is formed at the lower end of the fixed long shaft 212, and a lower guide groove 216-4 matched with the positioning rod 215 is formed at the upper end of the connecting plate 216-1 correspondingly; by adopting the scheme, the position relationship between the first nozzle 210 and the second nozzle 211 can be adjusted, the water quantity of the cooling surface of the workpiece can be uniform by reasonably selecting the distance between the atomizing nozzles, and the workpiece can be cooled by atomizing and spraying under the action of compressed air jet flow.
A positioning seat 217 is arranged on the fixed long shaft 212, and a driving cylinder 218 and a guide tube 2102 are fixedly arranged on the positioning seat 217; the driving shaft 218-1 of the driving cylinder 218 is connected with an adjusting seat 219, one end of the adjusting seat 219 is fixedly connected with the driving shaft 218-1, the other end of the adjusting seat 219 is provided with a guide opening 219-1, a material guide rod 2101 is sleeved in the guide opening 219-1, and the material guide rod 2101 passes through a guide tube 2102 to be connected with the second nozzle 211; the driving cylinder 218 is used to adjust the up-and-down movement of the second nozzle 211.
The bottom of the positioning seat 217 is fixedly provided with a cooling fixing plate 2103, the cooling fixing plate 2103 is connected with an adjusting plate 2104, the end part of the adjusting plate 2104 is provided with a guide tube 2105, the bottom of the guide tube 2105 is connected with the first nozzle 210, and the guide tube 2105 is connected with the spraying liquid storage barrel 21 through a pipeline; the adjusting plate 2104 is provided with a guide groove 2106 and an adjusting bolt 2107 matched with the guide groove 2106, and the adjusting bolt 2107 penetrates through the guide groove 2106 to be connected with the cooling fixing plate 2103; by the cooperation between the adjusting bolt 2107 and the guide slot 2106, the position of the first nozzle 210 is adjusted; by adopting the scheme, the distance between the first nozzle 210 and the stamping head of the hydraulic red stamping equipment can be adjusted, the water quantity of the cooling surface of the workpiece can be uniform by reasonably selecting the distance between the atomizing nozzles, and the workpiece can be atomized and sprayed out under the action of compressed air jet flow, so that the aim of cooling the workpiece is fulfilled; simultaneously, the cooling device is suitable for cooling different workpieces;
the cooling method of the cooling device of the hydraulic red punching equipment is characterized by comprising the following steps of:
firstly, the position of the fixed long shaft 212 on the positioning rod 215 is adjusted through the limiting device 216, so that the position between the first nozzle 210 and the second nozzle 211 is adjusted, and meanwhile, the injection distance between the first nozzle 210 and a punching head of the hydraulic red punching equipment is adjusted, and the injection distance between the second nozzle 211 and a workpiece in a die cylinder is adjusted;
the positions of the first regulating valve and the second regulating valve are regulated according to actual use requirements, so that the spray workpiece cooling of the first nozzle 210 and the second nozzle 211 meets the requirements;
in the process flow of the red punch, before each red punch, the microcontroller gives an instruction, the first nozzle 210 sprays cooling spray to the punch head of the hydraulic red punch equipment, when the red punch workpiece is extruded and formed through the punch head, the second nozzle 211 sprays cooling spray to the extruded red punch workpiece under the drive of the driving cylinder 218;
and demolding the workpiece, and ending the cooling process to wait for the next processing.
The first control valve is used for controlling the amount of spray of the first nozzle 210, and the second control valve is used for controlling the amount of spray of the second nozzle 211, so that the red-color workpiece can be cooled rapidly compared with the second nozzle 211 during the cooling using the first nozzle 210. On the other hand, in the cooling using the second nozzle 211, the cooling can be performed slowly while maintaining the uniformity of the cooling, compared to the cooling using the first nozzle 210.
The spray for cooling in the first nozzle 210 has a smaller spread angle than the spray for cooling in the second nozzle 211; the diffusion angle of the cooling spray that is diffusely sprayed from the first nozzle 210 is set to be about 15 ° to 45 °. The spread angle of the cooling spray in the first nozzle 210 is set to be narrower than the spread angle of the cooling spray in the second nozzle 211. Therefore, the cooling spray ejected from the first nozzle 210 efficiently contacts the workpiece to be red; thus, the red-punching work is rapidly cooled.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application; thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more herein: the terms of spray tank 21, first nozzle 210, second nozzle 211, fixed long shaft 212, upper guide slot 212-1, platen 214, positioning rod 215, stopper 216, connecting plate 216-1, adjusting screw 216-2, adjusting bolt 216-3, lower guide slot 216-4, positioning seat 217, driving cylinder 218, driving shaft 218-1, adjusting seat 219, guide opening 219-1, guide rod 2101, guide tube 2102, cooling fixing plate 2103, adjusting plate 2104, guide tube 2105, guide slot 2106, adjusting bolt 2107, etc. are not excluded. These terms are used merely for convenience in describing and explaining the nature of the application; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present application.
Claims (4)
1. A cooling device of hydraulic pressure red punching equipment, its characterized in that: comprises a spraying liquid storage barrel (21), a first nozzle (210) and a second nozzle (211) which are respectively connected with the spraying liquid storage barrel (21); the first nozzle (210) and the second nozzle (211) are sequentially arranged at the left side and the right side of the fixed long shaft (212); the first nozzle (210) corresponds to the position of a stamping head of the hydraulic red stamping device; spraying for cooling the punching head; the second nozzle (211) corresponds to the position of the mold cylinder; spraying for cooling the punched workpiece; a positioning seat (217) is arranged on the fixed long shaft (212), and a driving cylinder (218) and a guide pipe (2102) are fixedly arranged on the positioning seat (217); an adjusting seat (219) is connected to a driving shaft (218-1) of the driving cylinder (218), one end of the adjusting seat (219) is fixedly connected with the driving shaft (218-1), a guide opening (219-1) is formed at the other end of the adjusting seat, a guide rod (2101) is sleeved in the guide opening (219-1), and the guide rod (2101) penetrates through a guide pipe (2102) to be connected with a second nozzle (211); the driving cylinder (218) is used for adjusting the second nozzles (211) to move up and down, and a plurality of second nozzles (211) are arranged side by side along the central axis direction of the guide rod; the cooling device further comprises a control device for controlling the injection quantity of the first nozzle (210) and the second nozzle (211), wherein the control device is used for controlling the first nozzle (210) and the second nozzle (211) to sequentially inject cooling spray; the spray for cooling in the first nozzle (210) has a narrower spread angle than the spray for cooling in the second nozzle (211); the diffusion angle of the cooling spray which is diffusely sprayed from the first nozzle (210) is set to be 15-45 degrees, the spray liquid storage barrel (21) is fixedly arranged on one side of the bedplate (214), the bedplate (214) is provided with two pieces, the two pieces of bedplate are fixedly connected through four positioning rods (215), and the fixed long shaft (212) is slidingly connected to the positioning rods (215) at the upper ends of the two pieces of bedplate; limiting devices (216) are arranged at two ends of the fixed long shaft (212), and the limiting devices (216) are connected to the positioning rod (215) in a clamping manner; the limiting device (216) comprises a connecting plate (216-1), adjusting screws (216-2) which are positioned on two sides of the connecting plate (216-1) and are used for clamping the positioning rods (215), and the adjusting screws (216-2) penetrate through the fixing long shafts (212) to be connected with the adjusting bolts (216-3); the adjusting bolt (216-3) is matched with the adjusting screw (216-2) and is used for adjusting the position of the fixed long shaft (212) on the positioning rod (215); the cooling device of the hydraulic red punching equipment comprises the following steps:
1) Firstly, adjusting the position of a fixed long shaft (212) on a positioning rod (215) through a limiting device (216), further adjusting the position between a first nozzle (210) and a second nozzle (211), and simultaneously adjusting the injection distance between the first nozzle (210) and a punching head of hydraulic red punching equipment and adjusting the injection distance between the second nozzle (211) and a workpiece in a die cylinder;
2) The positions of the first regulating valve and the second regulating valve are regulated according to the actual use requirement, so that the spray cooling of the first nozzle (210) and the second nozzle (211) meets the requirement;
3) In the process flow of red punching, before each red punching, a control device gives an instruction, a first nozzle (210) sprays cooling spray to a punching head of hydraulic red punching equipment, and after a red punching workpiece is extruded and formed through a punching head, a second nozzle (211) sprays cooling spray to the extruded red punching workpiece under the drive of a driving cylinder (218);
4) And demolding the workpiece, and finishing the cooling process to wait for the next processing.
2. The cooling device of a hydraulic red punching apparatus according to claim 1, wherein: an upper guide groove (212-1) matched with the positioning rod (215) is formed at the lower end of the fixed long shaft (212), and a lower guide groove (216-4) matched with the positioning rod (215) is formed at the upper end of the connecting plate (216-1) correspondingly.
3. The cooling device of a hydraulic red punching apparatus according to claim 1, wherein: the bottom of the positioning seat (217) is fixedly provided with a cooling fixing plate (2103), the cooling fixing plate (2103) is connected with an adjusting plate (2104), the end part of the adjusting plate (2104) is provided with a guide pipe (2105), the bottom of the guide pipe (2105) is connected with a first nozzle (210), and the guide pipe (2105) is connected with a spraying liquid storage barrel (21) through a pipeline.
4. A cooling device for a hydraulic red punching apparatus according to claim 3, characterized in that: the adjusting plate (2104) is provided with a guide groove (2106) and an adjusting bolt (2107) matched with the guide groove (2106), and the adjusting bolt (2107) penetrates through the guide groove (2106) to be connected with the cooling fixing plate (2103); for adjusting the position of the first nozzle (210) by the engagement between the adjusting bolt (2107) and the guide groove (2106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810200300.2A CN108435930B (en) | 2018-03-12 | 2018-03-12 | Cooling device and cooling method of hydraulic red punching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810200300.2A CN108435930B (en) | 2018-03-12 | 2018-03-12 | Cooling device and cooling method of hydraulic red punching equipment |
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| CN108435930A CN108435930A (en) | 2018-08-24 |
| CN108435930B true CN108435930B (en) | 2023-11-07 |
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| CN108435930A (en) | 2018-08-24 |
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